OpenAI Launches GPT-6 Sol And Luna At Half The Price Of GPT-5.6
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OpenAI Launches GPT-6 Sol And Luna At Half The Price Of GPT-5.6
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Summary Report
GPT-6 Sol and Luna bring Astra-family capability at permanent half-price rates, with Sol beating low-effort Astra on AutomationBench at a quarter of the cost.
- 01. Sol $2/$10 and Luna $0.10/$0.50 per million tokens, permanently half of GPT-5.6; 90% off cached reads
- 02. Sol 33.2% on AutomationBench at $0.27 per task; within a point of Fable on DeepSWE at about 80% less; in the API, ChatGPT Work and Codex
Ninety minutes after Claude Opus 5.5, OpenAI released GPT-6 Sol and GPT-6 Luna, the faster, cheaper tiers of the Astra family. Sol is $2 in and $10 out, Luna $0.10 in and $0.50 out, half the price of their GPT-5.6 predecessors, and OpenAI says these are permanent prices. Cached reads get a 90% discount. On OpenAI's chart Sol scores 33% on AutomationBench at $0.27 a task, beating Astra at low effort for a quarter of the cost. Both are in the API, ChatGPT Work and Codex.
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