{"rewrite":{"id":"r_ee7f3631d0d2809d2ce9aa9d","clusterId":"c_4c5ad30ed7f1e3bc0aa7e64a","slug":"moonshot-ai-s-kimi-k3-1-pro-tops-artificial-analysis-index-at-55","model":"deepseek-v4-1-flash","headline":"Moonshot AI's Kimi K3.1 Pro Tops Artificial Analysis Index at 55","summary":"Moonshot AI announced Kimi K3.1 Pro on October 24, 2026, a 2.8-trillion-parameter MoE model with 104 billion active parameters and a 1-million-token context window. On the Artificial Analysis Intelligence Index v4.3.2 it scored 55, above Claude Fable 5.1, GPT-6 Astra, and Gemini 4 Argon at 53. The model arrives free of charge on November 4, 2026, with API pricing at $2.00 input and $10.00 output per million tokens.","whyItMatters":"A Chinese model that posts a higher score than the flagship models of leading American AI companies on an independent index, and then gives itself away free, puts the pricing side of the frontier race under pressure as much as the benchmark side.","webCardHtml":"\u003cp\u003eKimi K3.1 Pro is a mixture-of-experts model, and the parameter split matters: 2.8 trillion total, 104 billion active. Moonshot pitches it at coding agents and agent tasks, and it also drives 3D applications including Blender and FreeCAD. On Terminal-Bench, which scores practical terminal work against cost per task, the model recorded a higher score at lower cost than GPT-6 Astra and Claude Fable 5.1. Access runs through Kimi.ai, Kimi Work, Kimi Code, and the API. A Highspeed version triples speed at twice the price.\u003c/p\u003e","blueskyPost":"Kimi K3.1 Pro scores 55 against GPT-6 Astra's 53, then goes free on November 4 with API pricing at $2 per million input tokens. Moonshot AI is pricing the top of the index at zero.","twitterPost":"Kimi K3.1 Pro edges GPT-6 Astra on the index at 55 to 53, then ships free on November 4 with paid API access.","threadsPost":"Moonshot AI's Kimi K3.1 Pro scores 55 on the Artificial Analysis Index, above GPT-6 Astra and Gemini 4 Argon at 53. The free release on November 4 and the $2 input API price put a closed-lab-level model on open pricing before most users can try it.","newsletterBlurb":"Moonshot AI announced Kimi K3.1 Pro on October 24, 2026, a 2.8-trillion-parameter MoE model with a 1-million-token context window. On the Artificial Analysis Intelligence Index v4.3.2 it scored 55 against 53 for Claude Fable 5.1, GPT-6 Astra, and Gemini 4 Argon. The model is scheduled for a free release on November 4, 2026.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20261024-kimi-k3-1-pro/\",\"title\":\"Chinese-made model \\\"Kimi K3.1 Pro\\\" with performance on par with GPT-6 Astra announced; model to be released free of charge on November 4, 2026\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4859,"outputTokens":687,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1792847230,"createdAt":"2026-10-24T13:01:49.000Z","publishedAt":"2026-10-24T13:06:07.000Z","updatedAt":"2026-10-24T13:06:07.000Z"},"cluster":{"id":"c_4c5ad30ed7f1e3bc0aa7e64a","canonicalTitle":"GPT-6 Astraと同等性能の中国製モデル「Kimi K3.1 Pro」が登場、2026年11月4日にモデルを無償公開予定","representativeArticleId":"a_aedec33881b615fc4d021762","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"Kimi K3.1 Pro\",\"GPT-6 Astra\"],\"studios\":[\"Moonshot AI\"],\"people\":[],\"type\":\"news\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-24T11:50:00.000Z","lastSeenAt":"2026-10-24T11:50:00.000Z","updatedAt":"2026-10-24T13:06:06.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20261024-kimi-k3-1-pro/","title":"GPT-6 Astraと同等性能の中国製モデル「Kimi K3.1 Pro」が登場、2026年11月4日にモデルを無償公開予定"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["Kimi K3.1 Pro","GPT-6 Astra"],"studios":["Moonshot AI"],"people":[],"type":"news","domain":"other","is_roundup":false},"keyFacts":null}