fix: remove gemini 2.0 flash from supported models

api/services/configuration/options/google.py

@@ -1,6 +1,4 @@
 GOOGLE_MODELS = (
-    "gemini-2.0-flash",
-    "gemini-2.0-flash-lite",
     "gemini-2.5-flash",
     "gemini-2.5-flash-lite",
     "gemini-3.5-flash",

api/services/configuration/registry.py

@@ -316,7 +316,6 @@ OPENROUTER_MODELS = [
     "openai/gpt-4.1-mini",
     "anthropic/claude-sonnet-4",
     "google/gemini-2.5-flash",
-    "google/gemini-2.0-flash",
     "meta-llama/llama-3.3-70b-instruct",
     "deepseek/deepseek-chat-v3-0324",
 ]
@@ -351,7 +350,7 @@ class GoogleLLMService(BaseLLMConfiguration):
     model_config = GOOGLE_PROVIDER_MODEL_CONFIG
     provider: Literal[ServiceProviders.GOOGLE] = ServiceProviders.GOOGLE
     model: str = Field(
-        default="gemini-2.0-flash",
+        default="gemini-2.5-flash",
         description="Gemini model on Google AI Studio (not Vertex).",
         json_schema_extra={"examples": GOOGLE_MODELS, "allow_custom_input": True},
     )

api/services/pipecat/service_factory.py

@@ -719,6 +719,19 @@ def create_tts_service(
         )
 
 
+def _migrate_deprecated_google_model(model: str) -> str:
+    """Google removed the ``gemini-2.0-flash*`` models. Transparently upgrade
+    any stored config that still references them to the 2.5 equivalent so old
+    user configurations keep working instead of failing at runtime."""
+    if model and model.startswith("gemini-2.0-flash"):
+        migrated = model.replace("gemini-2.0-", "gemini-2.5-", 1)
+        logger.warning(
+            f"Google model '{model}' is no longer supported; using '{migrated}' instead"
+        )
+        return migrated
+    return model
+
+
 def create_llm_service_from_provider(
     provider: str,
     model: str,
@@ -776,6 +789,7 @@ def create_llm_service_from_provider(
             **kwargs,
         )
     elif provider == ServiceProviders.GOOGLE.value:
+        model = _migrate_deprecated_google_model(model)
         return GoogleLLMService(
             api_key=api_key,
             settings=GoogleLLMSettings(model=model, temperature=0.1),

api/tests/test_ai_model_configuration_v2.py

@@ -132,7 +132,7 @@ async def test_byok_realtime_validator_does_not_require_stt_or_tts():
                     "llm": {
                         "provider": "google",
                         "api_key": "google-llm-key",
-                        "model": "gemini-2.0-flash",
+                        "model": "gemini-2.5-flash",
                     },
                 },
             },
@@ -154,7 +154,7 @@ async def test_pipeline_validator_requires_stt_and_tts_when_not_realtime():
         llm=GoogleLLMService(
             provider="google",
             api_key="google-llm-key",
-            model="gemini-2.0-flash",
+            model="gemini-2.5-flash",
         ),
         realtime=GoogleRealtimeLLMConfiguration(
             provider="google_realtime",

api/tests/test_masked_key_rejection.py

@@ -66,7 +66,7 @@ class TestMaskedKeyRejection:
                     "llm": {
                         "provider": "google",
                         "api_key": MASKED_KEY,
-                        "model": "gemini-2.0-flash",
+                        "model": "gemini-2.5-flash",
                     }
                 },
             )
@@ -97,7 +97,7 @@ class TestMaskedKeyRejection:
                     "llm": {
                         "provider": "google",
                         "api_key": ["AIzaSyRealKey123456", MASKED_KEY],
-                        "model": "gemini-2.0-flash",
+                        "model": "gemini-2.5-flash",
                     }
                 },
             )
@@ -115,7 +115,7 @@ class TestMaskedKeyRejection:
             llm=GoogleLLMService(
                 provider="google",
                 api_key=new_key,
-                model="gemini-2.0-flash",
+                model="gemini-2.5-flash",
             )
         )
 
@@ -135,7 +135,7 @@ class TestMaskedKeyRejection:
                     "llm": {
                         "provider": "google",
                         "api_key": new_key,
-                        "model": "gemini-2.0-flash",
+                        "model": "gemini-2.5-flash",
                     }
                 },
             )