LangGraph seems to ignore tool outputs with Gemini models

reno_rita

I’m experiencing an issue where the LLM correctly invokes a tool (tool call is successful), but it appears unable to interpret or process the tool’s result. Here is the code to reproduce the issue: import asyncio import base64 import os from pathlib import Path from langchain_core.tools import tool from langchain_core.messages import HumanMessage, SystemMessage from langchain.chat_models import init_chat_model from langgraph.graph import...

Originally asked by Gad82 on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Good thread on this — worth a read before you pay anyone to build it.

Discussion: https://stackoverflow.com/questions/79859269/langgraph-seems-to-ignore-tool-outputs-with-gemini-models.

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