COMPARE
Kimi vs 阶跃星辰 StepFun
A factual side-by-side comparison of Kimi and 阶跃星辰 StepFun. We compare pricing, categories, free tiers and official websites — no invented scores.
Updated 2026-10-22
Quick take
Kimi is Free; 阶跃星辰 StepFun is Freemium. If you want to start free, check the free or freemium option first; otherwise compare the categories and taglines below.
| Pricing | Free | Freemium |
|---|---|---|
| Categories | AI Chat | LLMs / AI Chat |
| Best for | From Moonshot AI — the long-context champion | StepFun's Step series: strong multimodal open models |
| Free tier | Yes — free or freemium | Yes — free or freemium |
| Website | www.kimi.com | www.stepfun.com |