Pricingby IbisWays to buy 3
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
The lab's own API · cached $0.2 | $2 | $10 | $2 / $10List price | $0.2 | List price |
mxfp4 · cached $0.2 | $2 | $10 | $2 / $10Same as list | $0.2 | Same as list |
highspeed, mxfp4 · cached $0.2 | $4 | $20 | $4 / $20+100% vs list | $0.2 | +100% vs list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $400.00 direct.
Kong AI Gateway$400.00+0%
Vercel AI Gateway$400.00+0%
Requesty$420.00+5%
Eden AI$422.00+5.5%
OpenRouter$422.00+5.5%
Cloudflare AI GatewayNot offeredNot offered
HeliconeNot offeredNot offered
LiteLLMNot offeredNot offered
Martian GatewayNot offeredNot offered
Neon AI GatewayNot offeredNot offered
TrueFoundry AI GatewayNot offeredNot offered
A dash: not on that gateway's own model list. No published token fee: Portkey.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
Moonshot AI · 1M | $1.2 | $9 | $1.2 / $9 | $3.15 | 1M | on Sail Research (fp4-us) | · |
Moonshot AI · 262K | $0.713 | $3 | $0.713 / $3 | $1.28 | 262K | on StreamLake | · |
Moonshot AI · 262K | $0.434 | $1.83 | $0.434 / $1.83 | $0.783 | 262K | on Baidu (fp4) | · |
Moonshot AI · 262K | $0.45 | $2.25 | $0.45 / $2.25 | $0.9 | 262K | on SiliconFlow (int4) | · |
Google · 1MCheapest: $2 on Google Gemini API (flex) | $2 | $10 | $2 / $10 | $4 | 1M | $2 on Google Gemini API (flex) | · |
OpenAI · 1.05MCheapest: $2 on OpenAI (flex) | $2 | $10 | $2 / $10 | $4 | 1.05M | $2 on OpenAI (flex) | · |
Anthropic · 1M | $4 | $20 | $4 / $20 | $8 | 1M | Lab list price | · |
Anthropic · 1M | $2 | $10 | $2 / $10 | $4 | 1M | Lab list price | · |
About Kimi K3.1 Pro
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window.
Takes text, image, video in and returns text. First listed Oct 24, 2026. Up to 944K output tokens. Blended price $4 per 1M tokens at 3 input to 1 output. Overall score 8 on leadersboard.fru.dev (rank 20). Model id kimi-k3-1-pro.
Price history
List price since Oct 24, 2026, from daily reads of the OpenRouter catalog.
Questions
How much does Kimi K3.1 Pro cost?
$2 per million input tokens and $10 per million output tokens, with cached input at $0.2.
What is the context window of Kimi K3.1 Pro?
1M tokens, with up to 944K tokens of output.
Where is Kimi K3.1 Pro cheapest?
Of 3 routes tracked, Moonshot AI is cheapest at $2 input and $10 output per million tokens.