Kimi K3.1 Pro
MoonshotReleased Oct 23, 2026kimi-k3.1-pro
- Reasoning
- yes, with effort levels
- Context
- 1M tokens
- Max output
- 1M tokens
- Input
- text, image, video
- API features
- tools, structured outputs, JSON mode, logprobs
- Moonshot's API
- yes, as kimi-k3.1-pro
Read Nov 3, 11:57 UTC from the hosts' published offers and OpenRouter, spec sheet from Moonshot
| Provider | Input | Output | Cache ↑ | tok/s | First token | Uptime 24h | Checked |
|---|---|---|---|---|---|---|---|
| Moonshot AI | $2.00 | $10.00 | $0.20 | 23 | 5.47 s | 100% | Nov 3 |
| Novita AI | $2.00 | $10.00 | $0.20 | — | — | — | Nov 3 |
| Venice | $3.75 | $18.75 | $0.38 | — | — | — | Nov 3 |
3 of 3 providers · prices per million tokens, read Nov 3, 11:57 UTC · speed: OpenRouter, median of the last 30 min, read Nov 3, 11:57 UTC · uptime: OpenRouter, last 24 h
| Provider | Weights | Context | Max output | Tools | Structured outputs | Reasoning |
|---|---|---|---|---|---|---|
| Moonshot AI | mxfp4 | 1M | 1M | yes | yes | yes |
| Novita AI | — | 1M | 1M | — | — | — |
| Venice | — | 1M | 1M | — | — | — |
As served by each host and declared to OpenRouter; not verified by us · weights: the precision the host declares
Kimi K3.1 Pro spec sheet, field by field, with sources
Kimi K3.1 Pro spec sheetmaker-declared
What Moonshot declares, from its own weights and docs. What each host serves is in the offers: both can be true.
- Context window
- 1,048,576 tokens
- Parameters
- to verify
- Active experts
- to verify
- Weight precision
- to verify
- License
- to verifyScope: the license of the published weights only — not the maker's acceptable-use policy, nor the terms of the host you call.
- Knowledge cutoff
- not published by the maker
- Modalities
- text · image · video → text
- Max output (official)
- 1,048,576 tokens
- Release date
- October 23, 2026maker's docs · read 2026-10-25
- Maker lifecycle status
- General availabilitymaker's docs · read 2026-10-25
platform.kimi.ai · maker's documentation · read 2026-10-25 · 5 of 10 fields published by the maker
| Date | Provider | Input | Output | Change |
|---|---|---|---|---|
| Oct 31 | Venice | $3.00 → $3.75 | $15.00 → $18.75 | +25% |
Every published change of input or output price, newest first · change on input + output · full series: pricing-history.csv.
| Provider | Chatbot 1,000 in / 500 out | RAG / long context 8,000 in / 500 out | Batch summarize 4,000 in / 1,000 out |
|---|---|---|---|
| Moonshot AI | $7.00 | $21.00 | $18.00 |
| Novita AI | $7.00 | $21.00 | $18.00 |
| Venice | $13.12 | $39.38 | $33.75 |
What each host bills for 1,000 requests of a representative job
Your own workload
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