diff --git a/aider/resources/model-metadata.json b/aider/resources/model-metadata.json
index 163644034..7e0d4e2a1 100644
--- a/aider/resources/model-metadata.json
+++ b/aider/resources/model-metadata.json
@@ -50,7 +50,7 @@
     "openrouter/deepseek/deepseek-chat-v3-0324": {
         "max_tokens": 8192,
         "max_input_tokens": 131072,
-        "max_output_tokens": 16384,
+        "max_output_tokens": 8192,
         "input_cost_per_token": 0.00000055,
         "input_cost_per_token_cache_hit": 0.00000014,
         "cache_read_input_token_cost": 0.00000014,