diff --git a/internal/llm/provider/vertexai.go b/internal/llm/provider/vertexai.go
index 871ff092b058af70833ba615260efcdbc09f2514..e7591af70c24a528d48895c11e653f023ba86c89 100644
--- a/internal/llm/provider/vertexai.go
+++ b/internal/llm/provider/vertexai.go
@@ -30,7 +30,7 @@ func newVertexAIClient(opts providerClientOptions) VertexAIClient {
 	}
 
 	model := opts.model(opts.modelType)
-	if strings.Contains(model.ID, "anthropic") || strings.Contains(model.ID, "claude-sonnet") {
+	if strings.Contains(model.ID, "anthropic") || strings.Contains(model.ID, "claude") || strings.Contains(model.ID, "sonnet") {
 		return newAnthropicClient(opts, AnthropicClientTypeVertex)
 	}
 	return &geminiClient{