Ask HN: Which model do you use with Pi coding agent?

I think GPT 5.6 Luna works great honestly for most boring coding tests. And saves money.

GPT-5 / GPT-5.5 Claude Opus / Sonnet Gemini Kimi K2 DeepSeek Grok

Do you pay for the API with Opus? since i think we can't use subscriptions with non claude code agents

GLM 5.x coding plan from z.ai, and opencode go plan.