Open Source
Kimi K3.1 Pro Open Weights Released by Moonshot AI
Matt Wolfehigh confidence
Why it matters
- →Expands the pool of high-performance open-weight LLMs beyond US labs.
- →Provides researchers with access to advanced Chinese AI capabilities.
- →Increases competition in the open-source model market.
Chinese AI startup Moonshot AI has released the open weights for its Kimi K3.1 Pro model. This release makes one of China's leading large language models accessible to the global developer community for research and deployment. The model is noted for its strong performance in reasoning and long-context processing, challenging the dominance of US-based models in the open-weight space. This move increases the diversity of high-quality open-source LLMs available to developers.
Read originalThe story around this
TopicMoonshot AI Releases Kimi K3.1 ProRising
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1Moonshot's Kimi 3 to Rival Anthropic's Opus 4.8
TechCrunch AI · July 16, 2026 · Same story
- 2Moonshot AI's Kimi K3 Challenges Frontier Models
The Rundown AI · July 17, 2026 · Same story
- 3Moonshot AI's Kimi K3 Model Bets on Memory
AI News · July 20, 2026 · Same story
- 4Moonshot's Kimi K3 Model Approaches Fable 5 Benchmarks
The AI Daily Brief · July 21, 2026 · Same story
- 5Moonshot releases Kimi K3 with 2.8 trillion parameters
Fireship · July 22, 2026 · Same story
- 6Moonshot releases largest open AI model K3
The Rundown AI · July 28, 2026 · Same story
- 7Kimi K3: Largest Open-Weight AI Model Released
Together AI Blog · August 1, 2026 · Same story
- 8Moonshot AI releases Kimi K3.1 Pro
Matthew Berman · October 24, 2026 · Same story
What happened next
- 9llama.cpp adds Kimi K3.1-Pro support
llama.cpp Releases · November 7, 2026 · Related
Follow this story
Open the full story →Kimi K3.1 weights open, NorthCUA agent, Pika H3 video
3 developments
- Nov 5 · Matthew Berman
Kimi K3.1 weights open, NorthCUA agent, Pika H3 video - Nov 6 · Matt Wolfe
Pika Releases H3 Flex Open-Weight Video Model↳ Pika H3 Flex is now open-weight for self-hosting. - Nov 6 · Matt Wolfe
Kimi K3.1 Pro Open Weights Released by Moonshot AI (This article)↳ Moonshot AI released open weights for Kimi K3.1 Pro, a high-performance language model competing with top US labs.
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