{"rewrite":{"id":"r_aee8f1dcc96e3369b39ebad3","clusterId":"c_2699dc7e27b8666c7ac740ea","slug":"stella-ai-adds-gpt-6-1-sol-one-week-after-gpt-6-sol","model":"deepseek-v4-1-flash","headline":"Stella AI Adds GPT-6.1 Sol, One Week After GPT-6 Sol","summary":"SUPERNOVA Inc. will offer OpenAI's GPT-6.1 Sol through its Stella AI and Stella AI for Biz services starting Monday, October 5, 2026. The model arrived one week after GPT-6 Sol and improves coding, document understanding, and specialized work. On Artificial Analysis's overall intelligence index, dated September 29, 2026, it comes within 1 point of OpenAI's top-tier GPT-6 Astra. OpenAI puts factual errors on highly difficult questions at 7.7%, down from 11.4%.","whyItMatters":"SUPERNOVA is positioning a fast-follow model as the near-top-tier option for its business customers, one point off GPT-6 Astra on a third-party index, which narrows the gap between the highest-end model and what Stella AI subscribers can actually use.","webCardHtml":"\u003cp\u003eThe rollout starts the same day as the announcement, October 5, 2026, on both the consumer Stella AI service and the business tier, Stella AI for Biz. GPT-6.1 Sol follows GPT-6 Sol by one week.\u003c/p\u003e\u003cp\u003eSUPERNOVA cites Artificial Analysis figures dated September 29, 2026. On the overall intelligence index the new model sits within 1 point of GPT-6 Astra, the top-tier model in OpenAI\u0026#39;s lineup. On factual errors for highly difficult questions, OpenAI\u0026#39;s own disclosed figure drops from 11.4% to 7.7%. The company describes the update as a performance gain over the previous model in coding, document understanding, and specialized work.\u003c/p\u003e","blueskyPost":"Stella AI starts offering OpenAI's GPT-6.1 Sol on October 5, 2026, a week after GPT-6 Sol. On Artificial Analysis's intelligence index it lands within 1 point of OpenAI's top-tier GPT-6 Astra. Factual errors on hard questions: 11.4% to 7.7%.","twitterPost":"Stella AI adds OpenAI's GPT-6.1 Sol from October 5, 2026, one week after GPT-6 Sol. Artificial Analysis's index puts it within 1 point of top-tier GPT-6 Astra. OpenAI reports factual errors on hard questions falling from 11.4% to 7.7%.","threadsPost":null,"newsletterBlurb":"SUPERNOVA Inc. will offer OpenAI's GPT-6.1 Sol on Stella AI and Stella AI for Biz starting October 5, 2026, one week after GPT-6 Sol. The company cites Artificial Analysis figures putting the model within 1 point of OpenAI's top-tier GPT-6 Astra on an overall intelligence index. OpenAI discloses that factual errors on highly difficult questions fell from 11.4% to 7.7%.","attributionJson":"[{\"source\":\"ASCII.jp\",\"url\":\"https://ascii.jp/elem/000/004/440/4440054/?rss\",\"title\":\"Stella AI Begins Offering OpenAI's Latest AI Model \\\"GPT-6.1 Sol\\\"\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":4441,"outputTokens":696,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1791196168,"createdAt":"2026-10-05T10:24:49.000Z","publishedAt":"2026-10-05T10:28:24.000Z","updatedAt":"2026-10-05T10:28:24.000Z"},"cluster":{"id":"c_2699dc7e27b8666c7ac740ea","canonicalTitle":"Stella AI、OpenAI社の最新AIモデル「GPT-6.1 Sol」を提供開始","representativeArticleId":"a_ed153aab09ee819fa8831dae","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[\"GPT-6.1 Sol\"],\"studios\":[\"OpenAI\",\"Stella AI\"],\"people\":[],\"type\":\"business\",\"domain\":\"other\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-10-05T05:09:56.000Z","lastSeenAt":"2026-10-05T05:09:56.000Z","updatedAt":"2026-10-05T10:28:23.000Z"},"attribution":[{"source":"ASCII.jp","url":"https://ascii.jp/elem/000/004/440/4440054/?rss","title":"Stella AI、OpenAI社の最新AIモデル「GPT-6.1 Sol」を提供開始"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":["GPT-6.1 Sol"],"studios":["OpenAI","Stella AI"],"people":[],"type":"business","domain":"other","is_roundup":false},"keyFacts":null}