ProductsOct 23, 20261 min readMoonshot AI releases Kimi K3.1 Pro open weight model to rival Claude - Startup Fortune0SaveShareContentsWhy it mattersTopicsCategoryProductsIndustry DomainThe Core DevelopmentMoonshot AI releases Kimi K3.1 Pro open weight model to rival Claude Startup FortuneWhy it mattersMoonshot AI releases Kimi K3.1 Pro open weight model to rival Claude Startup Fortune Reported by Google News — Moonshot / Kimi on October 23, 2026.Topic dossiers Anthropic & Claude