fix(gemini-api-cli): remove unsupported 2.5 and 1.6 models from Interactions model options and CLI examples

README.md

@@ -125,7 +125,7 @@ gemini-api completion powershell | Out-String | Invoke-Expression
 gemini-api agent run "Analyze market trends for Q3" --agent deep-research-preview-04-2026
 
 # Choose a different model
-gemini-api generate "Write a haiku about APIs" --model gemini-2.5-pro
+gemini-api generate "Write a haiku about APIs" --model gemini-pro-latest
 
 # Generate an image (prints the written file path)
 gemini-api image "a lighthouse at sunset"
@@ -366,7 +366,7 @@ Commands are grouped the way `gemini-api --help` shows them. Every command accep
 
   ```bash
   # Choose a different model
-  gemini-api generate "Write a haiku about APIs" --model gemini-2.5-pro
+  gemini-api generate "Write a haiku about APIs" --model gemini-pro-latest
   # Generate with the default model (streams the reply)
   gemini-api generate "Explain concurrency in one sentence"
   ```

internal/cli/custom/custom_test.go

@@ -736,25 +736,25 @@ func TestNormalizeIdentifier(t *testing.T) {
 			name:      "models get positional prefixed",
 			flagName:  "model",
 			shorthand: "m",
-			desc:      "Model id, e.g. gemini-2.5-flash",
+			desc:      "Model id, e.g. gemini-flash-latest",
 			normalize: normalizeModelPositional,
-			args:      []string{"models/gemini-2.5-flash"},
-			wantVal:   "gemini-2.5-flash",
+			args:      []string{"models/gemini-flash-latest"},
+			wantVal:   "gemini-flash-latest",
 		},
 		{
 			name:      "models get flag bare",
 			flagName:  "model",
 			shorthand: "m",
-			desc:      "Model id, e.g. gemini-2.5-flash",
+			desc:      "Model id, e.g. gemini-flash-latest",
 			normalize: normalizeModelPositional,
-			args:      []string{"--model", "gemini-2.5-flash"},
-			wantVal:   "gemini-2.5-flash",
+			args:      []string{"--model", "gemini-flash-latest"},
+			wantVal:   "gemini-flash-latest",
 		},
 		{
 			name:      "models get invalid flag",
 			flagName:  "model",
 			shorthand: "m",
-			desc:      "Model id, e.g. gemini-2.5-flash",
+			desc:      "Model id, e.g. gemini-flash-latest",
 			normalize: normalizeModelPositional,
 			args:      []string{"--model", "../files/x"},
 			wantErr:   `invalid model id "../files/x"`,
@@ -763,7 +763,7 @@ func TestNormalizeIdentifier(t *testing.T) {
 			name:      "models get missing id",
 			flagName:  "model",
 			shorthand: "m",
-			desc:      "Model id, e.g. gemini-2.5-flash",
+			desc:      "Model id, e.g. gemini-flash-latest",
 			normalize: normalizeModelPositional,
 			args:      nil,
 			wantErr:   "missing required flag: --model (or pass it as the [model] argument)",

internal/cli/custom/hardening_test.go

@@ -169,7 +169,7 @@ func FuzzTimestampRoundTrip(f *testing.F) {
 }
 
 func FuzzIdentifierNormalizers(f *testing.F) {
-	for _, seed := range []string{"files/abc-123", "models/gemini-2.5-flash", "../x", "files/", "a/b", "%2e%2e", " x "} {
+	for _, seed := range []string{"files/abc-123", "models/gemini-flash-latest", "../x", "files/", "a/b", "%2e%2e", " x "} {
 		f.Add(seed)
 	}
 	f.Fuzz(func(t *testing.T, in string) {

internal/cli/custom/register.go

@@ -214,13 +214,13 @@ func normalizeFilePositional(id string) (string, error) {
 var modelIDShape = regexp.MustCompile(`^[a-zA-Z0-9][a-zA-Z0-9._-]*$`)
 
 // normalizeModelPositional strips an optional "models/" prefix so both
-// "models get gemini-2.5-flash" and "models get models/gemini-2.5-flash"
+// "models get gemini-flash-latest" and "models get models/gemini-flash-latest"
 // resolve to the bare id the path parameter expects, and rejects empty or
 // malformed ids before they reach the API.
 func normalizeModelPositional(id string) (string, error) {
 	id = strings.TrimPrefix(strings.TrimSpace(id), "models/")
 	if !modelIDShape.MatchString(id) {
-		return "", fmt.Errorf("invalid model id %q; expected a model name like \"gemini-2.5-flash\"", id)
+		return "", fmt.Errorf("invalid model id %q; expected a model name like \"gemini-flash-latest\"", id)
 	}
 	return id, nil
 }