Kimi K3 is free on 3 providers today. Permanent free tiers come first, then one-time trials.
| Provider | API model ID | Context | Free limits | Sign-up |
|---|---|---|---|---|
| Fireworks AI Trial | accounts/fireworks/models/kimi-k3 |
1M | 10 RPM (no payment method) / up to 6,000 RPM (with card + credits) | Free account |
| Novita AI Trial | moonshotai/kimi-k3 |
Long context | 60 RPM | Free account |
| Sail Research Trial | moonshotai/Kimi-K3 |
— | Not published for Free plan (most relaxed on flex window) | Card required |
Free lists change often. Each provider page shows its full limits and code examples, and every change is logged in the changelog. Want to call it from Claude Code or Cursor? Use the setup generator.