I've been using Qwen 3.5 and then 3.6 27b Q4 on Ollama with a single 7900 XTX with the codex cli, and I have been blown away by how genuinely useful it is. I've been able to ask it to do long, multi step problems, and it's able to do things that would have likely taken me days to iron out in a matter of hours, or even minutes sometimes.

I get about 30 tok/s, which is far from blazing, but given the capability it has it is absolutely viable for accelerating my work.