Altman: GPT-6 Sol and Luna are big improvements at half the price
Sam Altman @sama · x · 2026-09-22 · ★★★ · archived
Altman's launch post for GPT-6 Sol/Luna emphasising the 50% token price cut.
Summary
Sam Altman's X post on Sept 22, 2026: GPT-6 Sol and Luna are big improvements on intelligence, alignment, work output, coding and computer use over their GPT-5.6 predecessors, and "half the price per token, and even less per task!". Companion official posts: OpenAI (x.com/OpenAI/status/2102460975790137662 and 2102460995180663204, rollout to ChatGPT Work/Codex and the API), OpenAI Developers, and Brockman (x.com/gdb/status/2102470107826159755). Artificial Analysis noted scores roughly level with GPT-5.6 but at about half the cost. Verified via the X syndication endpoint (sama, 2026-09-22T18:26Z).
Archived text
GPT-6 Sol and Luna are big improvements on intelligence, alignment, work output, coding, computer use, and more over their 5.6-family predecessors.
They are also half the price per token, and even less per task!
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Archived 2026-09-29 via syndication.
Related events
All posts · id: 2026-09-22-altman-gpt-6-sol-luna