Comment by bwannasek

Using Gemma 4 with OpenCode was more challenging than expected due to some active bugs in ollama related to reasoning and streaming - I did a quick writeup in how I used llama.cpp instead of ollama and how to set it up to support multi-turn tool calls properly in case this is helpful to others: https://bernhardwannasek.com/using-gemma-4-for-agentic-codin...