Anecdotal but for some reason I had a pretty bad time with qwen3.5 locally for tool usage. I've been using GPT-OSS-120B successfully and switched to qwen so that I could process images as well (I'm using this for a discord chat bot).
Everything worked fine on GPT but Qwen as often as not preferred to pretend to call a tool and not actually call it. After much aggravation I wound up just setting my bot / llama swap to use gpt for chat and only load up qwen when someone posts an image and just process / respond to the image with qwen and pop back over to gpt when the next chat comes in.
Everything worked fine on GPT but Qwen as often as not preferred to pretend to call a tool and not actually call it. After much aggravation I wound up just setting my bot / llama swap to use gpt for chat and only load up qwen when someone posts an image and just process / respond to the image with qwen and pop back over to gpt when the next chat comes in.