diff --git a/aider/resources/model-metadata.json b/aider/resources/model-metadata.json
index 89f478b07..0a49fbd87 100644
--- a/aider/resources/model-metadata.json
+++ b/aider/resources/model-metadata.json
@@ -377,4 +377,23 @@
         "supports_tool_choice": true,
         "source": "https://cloud.google.com/vertex-ai/generative-ai/pricing"
     },
+  "openrouter/google/gemini-2.0-flash-exp:free": {
+        "max_tokens": 8192,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 8192,
+        "max_images_per_prompt": 3000,
+        "max_videos_per_prompt": 10,
+        "max_video_length": 1,
+        "max_audio_length_hours": 8.4,
+        "max_audio_per_prompt": 1,
+        "max_pdf_size_mb": 30,
+        "litellm_provider": "openrouter",
+        "mode": "chat",
+        "supports_system_messages": true,
+        "supports_function_calling": true,
+        "supports_vision": true,
+        "supports_response_schema": true,
+        "supports_audio_output": true,
+        "supports_tool_choice": true
+    },
 }
diff --git a/aider/resources/model-settings.yml b/aider/resources/model-settings.yml
index 0a38cc1e9..b2f504d8d 100644
--- a/aider/resources/model-settings.yml
+++ b/aider/resources/model-settings.yml
@@ -959,9 +959,10 @@
 - name: openrouter/google/gemini-2.5-pro-exp-03-25:free
   edit_format: diff-fenced
   use_repo_map: true
-  weak_model_name: openrouter/google/gemini-2.0-flash:free
+  weak_model_name: openrouter/google/gemini-2.0-flash-exp:free
 
 - name: vertex_ai/gemini-2.5-pro-exp-03-25
   edit_format: diff-fenced
   use_repo_map: true
-  weak_model_name: vertex_ai/gemini-2.0-flash
+  # Need metadata for this one...
+  #weak_model_name: vertex_ai/gemini-2.0-flash