fix!: increases output token limit for claude-3-7 to 12k (#895)

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# Content

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Author: jemeza-codegen

src/codegen/extensions/langchain/llm.py

@@ -89,7 +89,8 @@ def _get_model(self) -> BaseChatModel:
             if not os.getenv("ANTHROPIC_API_KEY"):
                 msg = "ANTHROPIC_API_KEY not found in environment. Please set it in your .env file or environment variables."
                 raise ValueError(msg)
-            return ChatAnthropic(**self._get_model_kwargs(), max_tokens=8192, max_retries=10, timeout=1000)
+            max_tokens = 12000 if "claude-3-7" in self.model_name else 8192
+            return ChatAnthropic(**self._get_model_kwargs(), max_tokens=max_tokens, max_retries=10, timeout=1000)
 
         elif self.model_provider == "openai":
             if not os.getenv("OPENAI_API_KEY"):
@@ -101,7 +102,7 @@ def _get_model(self) -> BaseChatModel:
             if not os.getenv("XAI_API_KEY"):
                 msg = "XAI_API_KEY not found in environment. Please set it in your .env file or environment variables."
                 raise ValueError(msg)
-            return ChatXAI(**self._get_model_kwargs(), max_tokens=8192)
+            return ChatXAI(**self._get_model_kwargs(), max_tokens=12000)
 
         msg = f"Unknown model provider: {self.model_provider}. Must be one of: anthropic, openai, xai"
         raise ValueError(msg)