--- a/HippoRAG/src/hipporag/rerank.py
+++ b/HippoRAG/src/hipporag/rerank.py
@@ -90,7 +90,7 @@
         messages.append({"role": "user", "content": self.one_input_template.format(question=question, fact_before_filter=fact_before_filter)})
         # call openai
 
-        self.default_gen_kwargs['max_completion_tokens'] = 512
+        self.default_gen_kwargs['max_completion_tokens'] = 10000
 
         response = self.llm_infer_fn(
             messages=messages,