{"rewrite":{"id":"r_b74edb5b11f1a8286ac57772","clusterId":"c_f92c07b936a6106f30ba9df1","slug":"kimi-k3-open-model-scores-above-gpt-5-6-sol-in-tests","model":"deepseek-v4-flash","headline":"Kimi K3 Open Model Scores Above GPT-5.6 Sol in Tests","summary":"Chinese AI company Moonshot AI announced Kimi K3, a 2.8 trillion parameter open model with a 1 million token context window. The model scored higher than GPT-5.6 Sol and Claude Fable 5 on several benchmarks, including coding and agent performance. Moonshot plans to release the full model as open source on July 27, 2026. API pricing is $3 per million input tokens and $15 per million output tokens.","whyItMatters":"Kimi K3 matches or exceeds GPT-5.6 Sol and Claude Fable 5 on several benchmarks while remaining open-source and cost-effective.","webCardHtml":"\u003cp\u003eMoonshot AI released Kimi K3 on July 17, 2026, with a parameter count of 2.8 trillion and a context window of 1 million tokens. In third-party evaluations by Artificial Analysis, Kimi K3 surpassed Claude Opus 4.8 and GPT-5.6 Terra on the Intelligence Index, as well as on coding and agent performance indexes. The model is available now on Kimi.com and Kimi Code, with API pricing starting at $3 per million tokens for input. The full weights will be published as open source on July 27.\u003c/p\u003e","blueskyPost":"Moonshot AI's Kimi K3, a 2.8 trillion parameter open model, beats GPT-5.6 Sol and Claude Fable 5 on some benchmarks. Available now via API, open source release July 27. Cost-efficient: $3 per million input tokens.","twitterPost":"Kimi K3 open model from Moonshot AI scores above GPT-5.6 Sol and Claude Fable 5 in benchmarks. 2.8T params, 1M context, open source July 27. API from $3/million input.","threadsPost":null,"newsletterBlurb":"Moonshot AI announced Kimi K3, a 2.8 trillion parameter open model that outperforms GPT-5.6 Sol and Claude Fable 5 on several benchmarks. The model is available now via API with a scheduled open release on July 27. Third-party evaluators rated it above Claude Opus 4.8 and GPT-5.6 Terra on intelligence and coding indexes.","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260717-kimi-k3/\",\"title\":\"Chinese AI Model 'Kimi K3' Comparable to GPT-5.6 Sol Emerges, a Massive Open Model with 2.8 Trillion Parameters\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4414,"outputTokens":2047,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1784301821,"createdAt":"2026-07-17T15:21:32.000Z","publishedAt":"2026-07-17T15:22:28.000Z","updatedAt":"2026-07-17T15:21:32.000Z"},"cluster":{"id":"c_f92c07b936a6106f30ba9df1","canonicalTitle":"GPT-5.6 Solに匹敵する中国製AIモデル「Kimi K3」が登場、2.8兆パラメーターの超大型オープンモデル","representativeArticleId":"a_39b2152abbd486bfa312dc6f","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"announcement\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-07-17T03:03:00.000Z","lastSeenAt":"2026-07-17T03:03:00.000Z","updatedAt":"2026-07-17T15:22:29.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260717-kimi-k3/","title":"GPT-5.6 Solに匹敵する中国製AIモデル「Kimi K3」が登場、2.8兆パラメーターの超大型オープンモデル"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"announcement","domain":"other","is_roundup":false},"keyFacts":null}