diff --git a/api/core/llm_generator/llm_generator.py b/api/core/llm_generator/llm_generator.py
index 71e8d9a323..3fe601b82a 100644
--- a/api/core/llm_generator/llm_generator.py
+++ b/api/core/llm_generator/llm_generator.py
@@ -49,7 +49,7 @@ class LLMGenerator:
             response = cast(
                 LLMResult,
                 model_instance.invoke_llm(
-                    prompt_messages=list(prompts), model_parameters={"max_tokens": 1000, "temperature": 1}, stream=False
+                    prompt_messages=list(prompts), model_parameters={"max_tokens": 500, "temperature": 1}, stream=False
                 ),
             )
         answer = cast(str, response.message.content)