diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jCharacterTokenizer.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jCharacterTokenizer.json
index d968a5b47359b..3baf8ac1bc842 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jCharacterTokenizer.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jCharacterTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jLineTokenizer.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jLineTokenizer.json
index 843cf5419594b..364d2590da983 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jLineTokenizer.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jLineTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jParagraphTokenizer.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jParagraphTokenizer.json
index 4118c4afeb50c..c252e73498333 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jParagraphTokenizer.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jParagraphTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jSentenceTokenizer.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jSentenceTokenizer.json
index 1d8328d7fc916..869f54bc15785 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jSentenceTokenizer.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jSentenceTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jWordTokenizer.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jWordTokenizer.json
index 57e842b9d8145..b5d89c3e823b2 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jWordTokenizer.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/models/langChain4jWordTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-spring.xsd b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-spring.xsd
index 278dd6cd0df9f..8edbc97f545fd 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-spring.xsd
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-spring.xsd
@@ -14551,7 +14551,7 @@ The maximum number of tokens that can overlap in each segment.
             </xs:documentation>
           </xs:annotation>
         </xs:attribute>
-        <xs:attribute name="modelName" type="xs:string" use="required">
+        <xs:attribute name="modelName" type="xs:string">
           <xs:annotation>
             <xs:documentation xml:lang="en">
 <![CDATA[
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-xml-io.xsd b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-xml-io.xsd
index e59829db331e4..5ba9b7c33e0c9 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-xml-io.xsd
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camel-xml-io.xsd
@@ -13694,7 +13694,7 @@ The maximum number of tokens that can overlap in each segment.
             </xs:documentation>
           </xs:annotation>
         </xs:attribute>
-        <xs:attribute name="modelName" type="xs:string" use="required">
+        <xs:attribute name="modelName" type="xs:string">
           <xs:annotation>
             <xs:documentation xml:lang="en">
 <![CDATA[
diff --git a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camelYamlDsl-model.json b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camelYamlDsl-model.json
index bab314bd2401f..31cc9a2ad77f1 100644
--- a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camelYamlDsl-model.json
+++ b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/schemas/camelYamlDsl-model.json
@@ -19651,8 +19651,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jLineTokenizer" : {
@@ -19707,8 +19706,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jParagraphTokenizer" : {
@@ -19763,8 +19761,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jSentenceTokenizer" : {
@@ -19819,8 +19816,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jTokenizer" : {
@@ -19897,8 +19893,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "customTransformer" : {
diff --git a/components/camel-ai/camel-langchain4j-tokenizer/src/test/java/org/apache/camel/component/langchain4j/tokenizer/LangChain4JTokenizerDefinitionTest.java b/components/camel-ai/camel-langchain4j-tokenizer/src/test/java/org/apache/camel/component/langchain4j/tokenizer/LangChain4JTokenizerDefinitionTest.java
new file mode 100644
index 0000000000000..6025cb4e578a4
--- /dev/null
+++ b/components/camel-ai/camel-langchain4j-tokenizer/src/test/java/org/apache/camel/component/langchain4j/tokenizer/LangChain4JTokenizerDefinitionTest.java
@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.component.langchain4j.tokenizer;
+
+import org.apache.camel.RoutesBuilder;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.component.mock.MockEndpoint;
+import org.apache.camel.model.RouteDefinition;
+import org.apache.camel.model.TokenizerDefinition;
+import org.apache.camel.model.tokenizer.LangChain4jCharacterTokenizerDefinition;
+import org.apache.camel.model.tokenizer.LangChain4jLineTokenizerDefinition;
+import org.apache.camel.model.tokenizer.LangChain4jParagraphTokenizerDefinition;
+import org.apache.camel.model.tokenizer.LangChain4jSentenceTokenizerDefinition;
+import org.apache.camel.model.tokenizer.LangChain4jWordTokenizerDefinition;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+/**
+ * CAMEL-25777: the XML and YAML DSL create the tokenizer with the no-arg constructors and set its implementation, but
+ * not the tokenizer name that the Java DSL builder sets, so their routes failed to start. The route here is built the
+ * same way, from the model (a component cannot depend on the YAML DSL).
+ */
+public class LangChain4JTokenizerDefinitionTest extends LangChain4JTokenizerTestSupport {
+
+    @Test
+    public void testTokenizerAsTheXmlAndYamlDslBuildIt() throws InterruptedException {
+        MockEndpoint mock = getMockEndpoint("mock:result");
+        mock.expectedMessageCount(4);
+
+        template.sendBody("direct:start", TEXT);
+
+        mock.assertIsSatisfied();
+    }
+
+    @Test
+    public void testEveryTokenizerHasItsName() {
+        // the names of the tokenizer services, which the Java DSL builder gives them too
+        assertEquals("langChain4jCharacterTokenizer", new LangChain4jCharacterTokenizerDefinition().tokenizerName());
+        assertEquals("langChain4jLineTokenizer", new LangChain4jLineTokenizerDefinition().tokenizerName());
+        assertEquals("langChain4jParagraphTokenizer", new LangChain4jParagraphTokenizerDefinition().tokenizerName());
+        assertEquals("langChain4jSentenceTokenizer", new LangChain4jSentenceTokenizerDefinition().tokenizerName());
+        assertEquals("langChain4jWordTokenizer", new LangChain4jWordTokenizerDefinition().tokenizerName());
+    }
+
+    @Override
+    protected RoutesBuilder createRouteBuilder() {
+        return new RouteBuilder() {
+            @Override
+            public void configure() {
+                // what the XML and YAML DSL parse <tokenizer><langChain4jParagraphTokenizer .../></tokenizer> into
+                LangChain4jParagraphTokenizerDefinition paragraph = new LangChain4jParagraphTokenizerDefinition();
+                paragraph.setMaxTokens("1024");
+                paragraph.setMaxOverlap("10");
+                paragraph.setTokenizerType("OPEN_AI");
+                TokenizerDefinition tokenizer = new TokenizerDefinition();
+                tokenizer.setTokenizerImplementation(paragraph);
+
+                RouteDefinition route = from("direct:start");
+                route.addOutput(tokenizer);
+                route.split().body().to("mock:result");
+            }
+        };
+    }
+}
diff --git a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jCharacterTokenizer.json b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jCharacterTokenizer.json
index d968a5b47359b..3baf8ac1bc842 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jCharacterTokenizer.json
+++ b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jCharacterTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jLineTokenizer.json b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jLineTokenizer.json
index 843cf5419594b..364d2590da983 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jLineTokenizer.json
+++ b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jLineTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jParagraphTokenizer.json b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jParagraphTokenizer.json
index 4118c4afeb50c..c252e73498333 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jParagraphTokenizer.json
+++ b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jParagraphTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jSentenceTokenizer.json b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jSentenceTokenizer.json
index 1d8328d7fc916..869f54bc15785 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jSentenceTokenizer.json
+++ b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jSentenceTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jWordTokenizer.json b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jWordTokenizer.json
index 57e842b9d8145..b5d89c3e823b2 100644
--- a/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jWordTokenizer.json
+++ b/core/camel-core-model/src/generated/resources/META-INF/org/apache/camel/model/tokenizer/langChain4jWordTokenizer.json
@@ -17,6 +17,6 @@
     "tokenizerType": { "index": 1, "kind": "attribute", "displayName": "Tokenizer Type", "group": "common", "required": true, "type": "enum", "javaType": "org.apache.camel.model.tokenizer.TokenizerType", "enum": [ "OPEN_AI", "AZURE", "QWEN" ], "deprecated": false, "autowired": false, "secret": false, "description": "The tokenizer type. Must be one of OPEN_AI, AZURE or QWEN." },
     "maxTokens": { "index": 2, "kind": "attribute", "displayName": "Max Tokens", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens on each segment." },
     "maxOverlap": { "index": 3, "kind": "attribute", "displayName": "Max Overlap", "group": "common", "required": true, "type": "integer", "javaType": "java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, "description": "The maximum number of tokens that can overlap in each segment." },
-    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": true, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
+    "modelName": { "index": 4, "kind": "attribute", "displayName": "Model Name", "group": "common", "required": false, "type": "string", "javaType": "java.lang.String", "deprecated": false, "autowired": false, "secret": false, "description": "The underlying model name used by the tokenizer. Providing this switches to computing segment sizes in terms of tokens." }
   }
 }
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/TokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/TokenizerDefinition.java
index 1994e9e521c17..c94a2cd2df230 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/TokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/TokenizerDefinition.java
@@ -66,9 +66,13 @@ public TokenizerDefinition(TokenizerImplementationDefinition tokenizerImplementa
     }
 
     /**
-     * Gets the tokenizer name
+     * Gets the tokenizer name, which is the name of the tokenizer implementation when not set: the XML and YAML DSL set
+     * only the implementation (CAMEL-25777)
      */
     public String tokenizerName() {
+        if (tokenizerName == null && tokenizerImplementation != null) {
+            return tokenizerImplementation.tokenizerName();
+        }
         return tokenizerName;
     }
 
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jCharacterTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jCharacterTokenizerDefinition.java
index 012fd9672920f..ea30e473a35d0 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jCharacterTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jCharacterTokenizerDefinition.java
@@ -33,6 +33,8 @@
 public class LangChain4jCharacterTokenizerDefinition extends LangChain4jTokenizerDefinition {
 
     public LangChain4jCharacterTokenizerDefinition() {
+        // the name the XML and YAML DSL do not set, as the builder does (CAMEL-25777)
+        setTokenizerName(toName("CharacterTokenizer"));
     }
 
     public LangChain4jCharacterTokenizerDefinition(LangChain4jTokenizerDefinition source) {
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jLineTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jLineTokenizerDefinition.java
index 11833a62e8a8e..2d8698560b3ae 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jLineTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jLineTokenizerDefinition.java
@@ -33,6 +33,8 @@
 public class LangChain4jLineTokenizerDefinition extends LangChain4jTokenizerDefinition {
 
     public LangChain4jLineTokenizerDefinition() {
+        // the name the XML and YAML DSL do not set, as the builder does (CAMEL-25777)
+        setTokenizerName(toName("LineTokenizer"));
     }
 
     public LangChain4jLineTokenizerDefinition(LangChain4jTokenizerDefinition source) {
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jParagraphTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jParagraphTokenizerDefinition.java
index 2a0a864a600f5..d91e9547d8c01 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jParagraphTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jParagraphTokenizerDefinition.java
@@ -33,6 +33,8 @@
 public class LangChain4jParagraphTokenizerDefinition extends LangChain4jTokenizerDefinition {
 
     public LangChain4jParagraphTokenizerDefinition() {
+        // the name the XML and YAML DSL do not set, as the builder does (CAMEL-25777)
+        setTokenizerName(toName("ParagraphTokenizer"));
     }
 
     public LangChain4jParagraphTokenizerDefinition(LangChain4jTokenizerDefinition source) {
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jSentenceTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jSentenceTokenizerDefinition.java
index 8e94a09f4adfa..8c4acc34bdc38 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jSentenceTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jSentenceTokenizerDefinition.java
@@ -33,6 +33,8 @@
 public class LangChain4jSentenceTokenizerDefinition extends LangChain4jTokenizerDefinition {
 
     public LangChain4jSentenceTokenizerDefinition() {
+        // the name the XML and YAML DSL do not set, as the builder does (CAMEL-25777)
+        setTokenizerName(toName("SentenceTokenizer"));
     }
 
     public LangChain4jSentenceTokenizerDefinition(LangChain4jTokenizerDefinition source) {
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jTokenizerDefinition.java
index 596bf1e8d6599..93410763536ed 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jTokenizerDefinition.java
@@ -52,7 +52,7 @@ public class LangChain4jTokenizerDefinition extends TokenizerImplementationDefin
               description = "The maximum number of tokens that can overlap in each segment.")
     private String maxOverlap;
 
-    @XmlAttribute(required = true)
+    @XmlAttribute
     @Metadata(javaType = "java.lang.String", required = false,
               description = "The underlying model name used by the tokenizer."
                             + " Providing this switches to computing segment sizes in terms of tokens.")
diff --git a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jWordTokenizerDefinition.java b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jWordTokenizerDefinition.java
index 7029eb5f59c5c..d30ddf15fe3cb 100644
--- a/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jWordTokenizerDefinition.java
+++ b/core/camel-core-model/src/main/java/org/apache/camel/model/tokenizer/LangChain4jWordTokenizerDefinition.java
@@ -33,6 +33,8 @@
 public class LangChain4jWordTokenizerDefinition extends LangChain4jTokenizerDefinition {
 
     public LangChain4jWordTokenizerDefinition() {
+        // the name the XML and YAML DSL do not set, as the builder does (CAMEL-25777)
+        setTokenizerName(toName("WordTokenizer"));
     }
 
     public LangChain4jWordTokenizerDefinition(LangChain4jTokenizerDefinition source) {
diff --git a/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/schema/camelYamlDsl-model.json b/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/schema/camelYamlDsl-model.json
index bab314bd2401f..31cc9a2ad77f1 100644
--- a/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/schema/camelYamlDsl-model.json
+++ b/dsl/camel-yaml-dsl/camel-yaml-dsl/src/generated/resources/schema/camelYamlDsl-model.json
@@ -19651,8 +19651,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jLineTokenizer" : {
@@ -19707,8 +19706,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jParagraphTokenizer" : {
@@ -19763,8 +19761,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jSentenceTokenizer" : {
@@ -19819,8 +19816,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "langChain4jTokenizer" : {
@@ -19897,8 +19893,7 @@
         "displayName" : "Model Name",
         "kind" : "attribute",
         "index" : 4,
-        "group" : "common",
-        "required" : true
+        "group" : "common"
       } ]
     },
     "customTransformer" : {