diff --git a/aider/resources/model-metadata.json b/aider/resources/model-metadata.json
index 64d851599..89f478b07 100644
--- a/aider/resources/model-metadata.json
+++ b/aider/resources/model-metadata.json
@@ -79,6 +79,17 @@
         //"supports_tool_choice": true,
         "supports_prompt_caching": true
     },
+    "openrouter/deepseek/deepseek-chat-v3-0324:free": {
+        "max_tokens": 131072,
+        "max_input_tokens": 131072,
+        "max_output_tokens": 131072,
+        "input_cost_per_token": 0,
+        "output_cost_per_token": 0,
+        "litellm_provider": "openrouter",
+        "supports_prompt_caching": true,
+        "mode": "chat",
+        "supports_tool_choice": true
+    },
     "fireworks_ai/accounts/fireworks/models/deepseek-r1": {
         "max_tokens": 160000,
         "max_input_tokens": 128000,