Kimi K3.1 Pro 🆕 New
Moonshot’s new flagship (Oct 23) · AA Intelligence Index 46 · Terminal-Bench 4.0 65.7% (Moonshot) · $2/$10 per 1M · 1M context · open weights on Hugging Face.
What is Kimi K3.1 Pro?
Kimi K3.1 Pro is Moonshot AI’s flagship model, released on October 23, 2026 as the successor to Kimi K3. It has around 2.8 trillion parameters, a 1M-token context window and is the default model in the free Kimi app. Its open weights have been on Hugging Face since early November 2026 under Moonshot’s own license, and it is also available through the Kimi app and API.
Best for
- Coding agents and terminal tasks
- Free chat with a frontier-class model in the Kimi app
- Long-context tasks
Kimi K3.1 Pro pricing
Kimi K3.1 Pro has a free tier. Price: Free – API; API access costs $2/$10 per 1M.
Plans & prices
- Free chat at kimi.com
- API $2/$10 per 1M
- Highspeed $4/$20 per 1M
Prices as published by Moonshot AI. This page was last updated on November 11, 2026; prices and plans change often, so check the provider’s pricing page before you buy.
Check current Kimi K3.1 Pro prices →At a glance
Key facts
- Moonshot’s new flagship (Oct 23)
- AA Intelligence Index 46
- Terminal-Bench 4.0 65.7% (Moonshot)
- $2/$10 per 1M
- 1M context
- open weights on Hugging Face
Kimi K3.1 Pro benchmarks
| Leaderboard | Result |
|---|---|
| Artificial Analysis Intelligence Index v5 | 46 points |
The Artificial Analysis Intelligence Index combines several independent evaluations of reasoning, knowledge, maths and coding — see our full AA Index v5 ranking.
Capability ratings
AIVerso capability ratings (0–100), an editorial summary informed by public benchmark results. Higher is better.
Features
Strengths
Limitations
Best alternatives to Kimi K3.1 Pro
🔗 Comparisons & guides
❓ Frequently Asked Questions
What is Kimi K3.1 Pro?
Kimi K3.1 Pro is Moonshot AI’s flagship model, released on October 23, 2026 as the successor to Kimi K3. It has around 2.8 trillion parameters, a 1M-token context window and is the default model in the free Kimi app. Its open weights have been on Hugging Face since early November 2026 under Moonshot’s own license, and it is also available through the Kimi app and API.
What is Kimi K3.1 Pro best for?
Kimi K3.1 Pro is a strong pick for: Coding agents and terminal tasks; Free chat with a frontier-class model in the Kimi app; Long-context tasks.
How does Kimi K3.1 Pro perform in benchmarks?
Kimi K3.1 Pro scores 46 on the Artificial Analysis Intelligence Index v5.
How much does Kimi K3.1 Pro cost?
Kimi K3.1 Pro starts at Free – API (Free chat at kimi.com · API $2/$10 per 1M · Highspeed $4/$20 per 1M). A free tier is available.
Is Kimi K3.1 Pro free?
Yes — Kimi K3.1 Pro has a free tier. Pricing: Free – API (details: Free chat at kimi.com · API $2/$10 per 1M · Highspeed $4/$20 per 1M).
What are the best alternatives to Kimi K3.1 Pro?
The highest-rated AI chatbots & text models from other providers on AIVerso are Claude Fable 5.2 (99/100), Gemini 4 Carbon (98/100), GPT-6 Astra (98/100).
Does Kimi K3.1 Pro have an API?
Yes, Kimi K3.1 Pro can be used via an API.
Is Kimi K3.1 Pro open source?
Yes — Kimi K3.1 Pro is available as open source / open weights, so it can be self-hosted.
How does AIVerso rate Kimi K3.1 Pro?
Kimi K3.1 Pro scores 95/100 on AIVerso and ranks #10 of 52 in Text & Chat. Scores combine public benchmark results, features and pricing; commissions never influence them.
How we rate: Scores and capability ratings are based on public benchmarks, provider documentation, features and pricing — not on commission rates. Prices can change; check the provider's site before buying. Last updated: November 11, 2026.