OpenAILaunchAI ModelsSeptember 29, 2026

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

Read original source →openai.com

GPT-6.1 Sol matches GPT-6 Sol's FrontierCode 1.1 score (60.4% vs 60.7%) at 44-57% lower cost per task, with cache reads discounted 95%. It replaces GPT-6 Sol just 7 days after that model shipped, and OpenAI scrapped the expected GPT-6.1 Astra over safety concerns.

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