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OpenAI launched GPT-6 Sol and GPT-6 Luna models with lower cost options and availability in ChatGPT and the API

Model release Provisional 90% confidence first seen

OpenAI introduced GPT-6 Sol and GPT-6 Luna as two new model options aimed at everyday work, with different capability-versus-cost tradeoffs. The coverage reports lower API pricing compared with the prior Sol and Luna series and claims improved mistake/error rates, with availability across ChatGPT (including Work and Codex for most paid accounts) and the API, and Luna also in the desktop app.

GPT-6 Luna GPT-6 Sol OpenAI Astra ChatGPT Codex GPT-5.6 Luna GPT-5.6 Sol

Source coverage

OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes TechCrunch independent Introducing GPT-6 Sol and Luna OpenAI official

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