For chat? I think I only use chat once a month. Grok works fine too. If I really have a one-off that doesn't fit in the framework, I just use Arena and yolo me an answer.

For dev-adjacent work I use mainly Claude, and GPT and GLM as secondaries. I used to use Kimi before GLM-5 was released.

For operational/integrated LLM flows for work (these must be local - no spyware!!!) I use mostly Gemma and Jan for structured output work and Qwen for embeddings.