Kimi K3.1 Pro
Kimi K3.1 Pro by Moonshot AI: League Score, pricing, context window and sourced benchmarks — the full tracked record.
69 Open weights $2.00 / $10.00 per 1M 1M context
League positions: #18 overall · #21 Value Division · #5 Open-Weight Division. Score coverage: 40% of components measured. Count tokens & cost for Kimi K3.1 Pro · Estimate a workload cost
Coming next: Kimi K3.1 Pro open weights — By 4 Nov 2026 (Graduated)
Agent-ready: this model is tracked with agentic strengths. See the AI Agents section for the products and frameworks that put models like this to work.
Specifications & pricing
| Maker | Moonshot AI — lab profile |
| Family | Kimi K3.1 |
| Released | Oct 23, 2026 |
| Status | Current |
| Weights | Open weights |
| License | Kimi K3.1 Pro License |
| Knowledge cutoff | Not published |
| Context window | 1,048,576 tokens |
| Max output | 131,072 tokens |
| Modalities in | text, image, video |
| Modalities out | text |
| API price (input) | $2.00 per 1M tokens |
| API price (output) | $10.00 per 1M tokens |
| Cached input | $0.20 per 1M |
| Blended (3:1 in:out) | $4.00 per 1M |
| Pricing source | Official pricing page (checked Oct 24, 2026) |
| API access | Moonshot Kimi API |
Benchmark results
| Benchmark | Score | Source | Date | Link |
|---|---|---|---|---|
| LiveBench overall | 71.3 / 100 | LiveBench | Oct 26, 2026 | Source |
How its League Score is built
| Component | Raw | Normalised | Weight | Date | Link |
|---|---|---|---|---|---|
| LiveBench overall | 71.3 | 69.4 | 40% | Oct 26, 2026 | Source |
Normalised 0–100 against the tracked field; missing components redistribute their weight. Full rules on the methodology page.
Closest rivals
- Kimi K3.1 Pro vs Kimi K2.6 — full comparison or compare any pair
- Kimi K3.1 Pro vs Gemini 3.5 Flash-Lite — full comparison or compare any pair
- Kimi K3.1 Pro vs GPT-5.6 Terra — full comparison or compare any pair
FAQ
How much does Kimi K3.1 Pro cost?
Kimi K3.1 Pro costs $2.00 per 1M input tokens and $10.00 per 1M output tokens on the first-party API (checked Oct 24, 2026).
What is the context window of Kimi K3.1 Pro?
Kimi K3.1 Pro accepts up to 1,048,576 tokens of context.
Is Kimi K3.1 Pro open source?
Yes — its weights are publicly downloadable (license: Kimi K3.1 Pro License).
Data verified Nov 5, 2026. Spotted an error? Every figure above links to its source.
From the blog: this model’s open weights were released on Nov 4, 2026, on Hugging Face under the Kimi K3.1 Pro License, with the API price unchanged — see the Kimi K3.1 Pro open weights analysis for the licence in plain terms and where it ranks among open-weight models.