Corroborated event · 3 outlets
Moonshot AI introduced Kimi K3.1 Pro, a large language model with 3 trillion parameters that it says can outperform Claude Opus 5.5 and GPT-6 Astra on some tasks.
AI brief
Moonshot AI introduced Kim K3.1 Pro, a large language model it says can perform some tasks better than Claude Opus 5.5 and GPT-6 Astra. The model is a post-trained version of an algorithm the company previously released.
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Background
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Moonshot AI
- Newest model on the API
- Kimi K3.1 Pro · 23 Oct 2026 · $2 in / $10 out per million tokens
- Last 30 days
- 1 news story
More coverage of this story (2)
Moonshot AI launches Kimi K3.1 Pro model
Introducing Kimi K3.1 Pro
Simon Willison's Weblog · 23 Oct 2026, 19:40
Chinese AI model Kimi K3.1 Pro is closing in on Anthropic's Claude Opus 5.5
The Decoder · 23 Oct 2026, 19:00
Primary source
“Moonshot AI today introduced Kim K3.1 Pro, a large language model that can perform some tasks better than Claude Opus 5.5 and GPT-6 Astra.”
Reporting from a publisher outside the organisation being covered.
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