> it’s not great at using all tools
Glad it wasnt just me - i was impressed with the quality of Gemma4 - it just couldnt write the changes to file 9/10 times when using it with opencode
> it just couldnt write the changes to file 9/10 times when using it with opencode
You might want to give this a try, it dramatically improves Edit tool accuracy without changing the model: https://blog.can.ac/2026/02/12/the-harness-problem/
https://huggingface.co/google/gemma-4-31B-it/commit/e51e7dcd...
There was an update to tool calling 3 days ago. I haven't tested it myself but hope it helps.