Kimi K3.1 Pro API PricingNEW
Moonshot AI · released 2026-10-23
Also searched as: K3.1 Pro pricing
Kimi K3.1 Pro price
0.200¢ / 1K
1.00¢ / 1K
0.400¢ / 1K
Official list price from Moonshot AI, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.4¢ |
| RAG query | 4,000 in / 500 out | $0.0130 |
| Long document summary | 50,000 in / 1,000 out | $0.1100 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.0800 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $120.00 |
Cost = (input tokens ÷ 1,000,000 × $2.00) + (output tokens ÷ 1,000,000 × $10.00).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | No public data yet | ||
| Epoch Mock AIME accuracy | No public data yet | ||
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | No public data yet | ||
| Arena coding rating (human preference votes, not task accuracy) | No public data yet | ||
| Arena math rating | No public data yet | ||
| Arena WebDev rating | 1695 | arena | 2026-10-28 |
More from Moonshot AI
| Model | Released | Blended $/1M |
|---|---|---|
| Kimi K2.8 Preview | 2026-09-11 | — |
| Kimi K3 | 2026-07-16 | $6.00 |
| Kimi K2.7 Code Highspeed | 2026-06-12 | — |
| Kimi K2.7 Code | 2026-06-12 | $1.7125 |
| Kimi K2.6 | 2026-04-20 | $1.7125 |
| Kimi K2.5 | 2026-01-27 | $1.20 |
| Kimi K2 Thinking Turbo | 2025-11-06 | — |
| Kimi K2 Thinking | 2025-11-06 | — |
Count tokens & estimate cost for Kimi K3.1 Pro
Prices: Moonshot AI's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Kimi K3.1 Pro?
Kimi K3.1 Pro is developed by Moonshot AI, released 2026-10-23.
How much does Kimi K3.1 Pro cost per million tokens?
Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens ($4.00 blended), per Moonshot AI's official list price as recorded by models.dev.
What is the Kimi K3.1 Pro API price?
The Kimi K3.1 Pro API price is $2.00 per 1M input tokens and $10.00 per 1M output tokens ($4.00 per 1M blended).
How much does Kimi K3.1 Pro cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.4¢ on Kimi K3.1 Pro, at $2.00/1M input and $10.00/1M output.
Is Kimi K3.1 Pro free?
Kimi K3.1 Pro's official API list price is $2.00 per 1M input tokens and $10.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Moonshot AI's site for those.
Where does this data come from?
Pricing for Kimi K3.1 Pro comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.