SettledModels
Moonshot releases Kimi K3.1 Pro, with open weights due by Nov. 4
Moonshot released Kimi K3.1 Pro (about 3T parameters, 1M context) on Oct. 23, weights promised Nov. 4. New: Artificial Analysis ranks it 4th with an Intelligence Index of 55 vs 58 for Claude Opus 5.5, and puts it at 67% on Terminal-Bench 4.0, the top score it lists. API price is $2 input and $10 output per million tokens. VentureBeat reports an unverified paid-promotion allegation.
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Made the five · #3 on Saturday, October 24, 2026
Kimi K3.1 Pro nears Claude Opus 5.5, weights due Nov. 4
Primary source
Moonshot AIkimi.com/en/blog/kimi-k3-1-proCoverage · 15 articles, oldest first
Friday, October 23, 2026
simonwillison.net
Introducing Kimi K3.1 ProMoonshot AIPrimary
Moonshot releases Kimi K3.1 Pro, with open weights due by Nov. 4The Information
Moonshot AI Launches New Kimi K3.1 Pro Model
Sunday, October 25, 2026
ModelCompare
modelcompare.ai/blog/china-open-source-aiArtificial Analysis
artificialanalysis.ai/articles/kimi-k3-1-pro-launch-benchmarksInterconnects AI
interconnects.ai/p/podcast-kimi-k31-pro-the-new-cyber
Monday, October 26, 2026