Model tracker / Moonshot AI
Kimi K3.1 Pro
Post-trained Kimi K3 (3T-class) for coding, 3D creation and finance agents
Kimi K3.1 Pro is an everyday open-weight model from Moonshot AI, released 23 October 2026. At Moonshot AI it costs $2.00 per million input tokens and $10.00 per million output tokens, with a 1M-token context window.
- Made by
- Moonshot AI
- Released
- 2026-10-23
- Status
- Generally available, new
- Tier
- Everyday
- Weights
- Open
- Context window
- 1,048,576 tokens
- Input
- text, image, video
- API id
kimi-k3.1-pro
Kimi K3.1 Pro price at Moonshot AI
US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on.
| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Moonshot AI · maker | $2.00 | $10.00 | $0.20 | $4.00 | – | 2026-10-23 |
- Moonshot AI: Cache writes billed separately: $2.00 (5-minute TTL) or $4.00 (1-hour TTL) per 1M tokens. Unlocked after a minimum $1 top-up. Full weights due by 4 Nov 2026.
Models like Kimi K3.1 Pro
Other everyday models closest in price, at each maker's own price or the cheapest provider.
| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Kimi K3.1 Pro | $2.00 | $10.00 | 1M | Open |
| Claude Sonnet 5.5 Anthropic | $2.00 | $10.00 | 1M | Closed |
| GPT-6.1 Sol OpenAI | $2.00 | $10.00 | 1.1M | Closed |
| GPT-6 Sol OpenAI | $2.00 | $10.00 | 1.1M | Closed |
| Gemini 3.1 Pro Google | $2.00 | $12.00 | 1M | Closed |
| Qwen3.8 Max Alibaba | $2.00 | $6.00 | 1M | Open |
Compare them all in the model tracker →
Kimi K3.1 Pro on dbggr
- Moonshot says Kimi K3.1 Pro nears Claude Opus 5.5 at half the price Daily, 2026-10-23
Kimi K3.1 Pro FAQ
How much does Kimi K3.1 Pro cost?
Kimi K3.1 Pro costs $2.00 per million input tokens and $10.00 per million output tokens at Moonshot AI, and $0.20 per million cached input tokens. Prices are list prices in US dollars, last checked 23 October 2026.
What is Kimi K3.1 Pro's context window?
Kimi K3.1 Pro takes up to 1,048,576 tokens in one request.
Is Kimi K3.1 Pro open weight?
Yes. Moonshot AI publishes the weights, so you can run Kimi K3.1 Pro yourself or at any host that serves it.
Where can I use Kimi K3.1 Pro?
Kimi K3.1 Pro is available from Moonshot AI. At Moonshot AI, call it as kimi-k3.1-pro.