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  "title": "OpenAI announces GPT-6 Sol and Luna, a two-tier model refresh",
  "description": "On Sep 22, 2026, OpenAI announced two GPT-6 models: Sol, aimed at complex and coding tasks at $2 per million input and $10 per million output tokens, and Luna, aimed at high-volume clerical work at $0.10 per million input and $0.50 per million output. Both are available in the API (gpt-6-sol / gpt-6-luna), Codex and ChatGPT Work. OpenAI's claims of 'half as many mistakes / Astra-level factuality' and pricing superiority over GPT-5.6 are vendor characterizations, not independently verified here.",
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  "one_liner": "OpenAI released two GPT-6 models — Sol ($2/$10 per 1M) for complex/coding work and Luna ($0.10/$0.50) for high-volume tasks — in API, Codex and ChatGPT Work.",
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      "text": "On Sep 22, 2026, OpenAI announced two GPT-6 models: Sol, aimed at complex and coding tasks at $2 per million input and $10 per million output tokens, and Luna, aimed at high-volume clerical work at $0.10 per million input and $0.50 per million output. Both are available in the API (gpt-6-sol / gpt-6-luna), Codex and ChatGPT Work. OpenAI's claims of \"half as many mistakes / Astra-level factuality\" and pricing superiority over GPT-5.6 are vendor characterizations, not independently verified here."
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      "text": "aimed at high-volume clerical work at $0.10 per million input and $0.50 per million output. Both are available in the API (gpt-6-sol / gpt-6-luna), Codex and ChatGPT Work. OpenAI's claims of \"half as many mistakes / Astra-level factuality\" and pricing superiority over GPT-5.6 are vendor characterizations, not independently verified here.\n\n- What is confirmed: OpenAI announced GPT-6 Sol and Luna on Sep 22, 2026; Sol targets complex/coding tasks at $2 in / $10 out per million tokens, Luna targets high-volume clerical work at $0.10 in / $0.50 out per million; both are available in the API (gpt-6-sol / gpt-6-luna), Codex and ChatGPT Work.\n- Evidence note: OpenAI's official URL 403'd to direct WebFetch — a bot block, not a 404 — so existence and details were confirmed via the OpenAI community announcement, TechCrunch, the Microsoft Azure blog and the GitHub Changelog, all dated 2026-09-22.\n- What is vendor-claimed (tagged, not treated as fact): \"half as many mistakes / Astra-level factuality\" and pricing superiority over GPT-5.6.\n- The GTM-stack read: the notable design is the explicit split — a capable tier (Sol) and a cheap high-volume tier (Luna) — which maps cleanly onto agentic cost-tiering: route hard/coding steps to Sol and bulk clerical steps to Luna. The confirmed per-token prices are the actionable input; the relative-quality claims are not. Lands the same day as Anthropic's Claude Opus 5.5 — a two-vendor model-refresh data point to evaluate side by side.\n- Curated from the GTM Stacker signal registry (2026-09-23 pass: studio news lane)."
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