diff --git a/aider/resources/__init__.py b/aider/resources/__init__.py
new file mode 100644
index 000000000..f7ca4efbe
--- /dev/null
+++ b/aider/resources/__init__.py
@@ -0,0 +1,3 @@
+# This ensures that importlib_resources.files("aider.resources")
+# doesn't raise ImportError, even if there are no other files in this
+# dir.
diff --git a/aider/resources/model-metadata.json b/aider/resources/model-metadata.json
new file mode 100644
index 000000000..8409428d8
--- /dev/null
+++ b/aider/resources/model-metadata.json
@@ -0,0 +1,18 @@
+{
+  "anthropic/claude-3-5-sonnet-20241022": {
+        "max_tokens": 8192,
+        "max_input_tokens": 200000,
+        "max_output_tokens": 8192,
+        "input_cost_per_token": 0.000003,
+        "output_cost_per_token": 0.000015,
+        "cache_creation_input_token_cost": 0.00000375,
+        "cache_read_input_token_cost": 0.0000003,
+        "litellm_provider": "anthropic",
+        "mode": "chat",
+        "supports_function_calling": true,
+        "supports_vision": true,
+        "tool_use_system_prompt_tokens": 159,
+        "supports_assistant_prefill": true,
+        "supports_prompt_caching": true
+  }
+}