diff --git a/examples/configs/recipes/llm/performance/grpo-qwen3-30ba3b-4n8g.yaml b/examples/configs/recipes/llm/performance/grpo-qwen3-30ba3b-4n8g.yaml
index 053c703eee..795764d3ee 100644
--- a/examples/configs/recipes/llm/performance/grpo-qwen3-30ba3b-4n8g.yaml
+++ b/examples/configs/recipes/llm/performance/grpo-qwen3-30ba3b-4n8g.yaml
@@ -31,7 +31,7 @@ policy:
       PYTORCH_CUDA_ALLOC_CONF: expandable_segments:False
   generation:
     vllm_cfg:
-      tensor_parallel_size: 4
+      tensor_parallel_size: 2
 logger:
   log_dir: logs/grpo-qwen3-30ba3b-4n8g
   wandb_enabled: true