OpenAILaunchAI ModelsSeptember 29, 2026

OpenAI releases GPT-6.1 Sol at one-fifth of Astra's price

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GPT-6.1 Sol matches GPT-6 Sol's $2/$10 per million input/output tokens, with cache reads discounted 95%. OpenAI says it nears GPT-6 Astra on agentic coding and computer use; Artificial Analysis puts it 1 point below Astra in its Intelligence Index at under a quarter of the cost per task.

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