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Kimi K3.1 Pro: price, performance and context
Proprietary Kimi K3.1 Pro by Moonshot AI costs $2.00 per 1M input and $10.00 per 1M output tokens, handles up to 1M tokens in one request (≈ 3,100 pages of text) and scores 55.1 points on the AgentKernel performance index, rank 3 of 215.
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Open in the interactive comparisonKey facts
- Licence
- Proprietary: no public weights, only through a provider API
- Input / 1M tokens
- $2.00
- Output / 1M tokens
- $10.00
- Context window
- 1M tokens
- Max. output
- 943.7K tokens
- Performance index
- 55.1 points · rank 3 of 215
- Coding index
- n/a
- Agentic index
- n/a
- Cost at your usage
- $4.50 / month
- Knowledge cutoff
- n/a
- In the catalog since
- Oct 23, 2026
- Capabilities
- Reasoning, Vision, Tool Calling
Placements by task
- Rank 3 in Overall
- Rank 4 in Websites
- Rank 1 in UI components
- Rank 3 in Game development
- Rank 2 in 3D scenes
- Rank 2 in SVG graphics
What do you get for $10.00?
Rules of thumb from the cost calculator, base rates without caching or taxes.
| Task | Cost per task | For $10.00 |
|---|---|---|
| Chat repliesA question with a short history, a detailed answer | $0.006 | 1,800 |
| Email draftsBullet points in, a finished email out | $0.005 | 2,200 |
| Document summariesRead 10 pages, write a one-page summary | $0.012 | 860 |
| Code reviewsReview and comment on 500 lines of code | $0.021 | 480 |
| Book analysesAnalyse a 300-page book in one go | $0.22 | 45 |
Cheaper with similar performance
No matching alternative in the catalog.
Stronger models
| Model | Licence | Performance | Your cost / month |
|---|---|---|---|
| Claude Sonnet 5.5Anthropic | Proprietary | 56 | $4.50 |
| Claude Opus 5.5Anthropic | Proprietary | 57.6 | $9.00 |
Open alternatives
| Model | Licence | Performance | Your cost / month |
|---|---|---|---|
| MiMo-V2.6-ProXiaomi | Open | 46.3 | $0.653 |
| GLM 5.3Z.ai | Open | 44.8 | $0.42 |
| Step 5 PreviewStepFun | Open | 43.7 | $1.675 |
Badge for your website
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Markdown (e.g. GitHub README)
[](https://www.agentkernel.si/models/moonshotai/kimi-k3.1-pro/)HTML
<a href="https://www.agentkernel.si/models/moonshotai/kimi-k3.1-pro/"><img src="https://www.agentkernel.si/badge/moonshotai/kimi-k3.1-pro.svg" alt="AgentKernel ranking" height="20"></a>