ChatGPT Voice now lets users pick GPT-5.6 Sol or GPT-6 Astra for in-call reasoning

LiNuohai123 · x · 2026-09-10

An OpenAI staffer announced ChatGPT Voice can now use GPT-5.6 Sol and GPT-6 Astra (Pro only): users select any model and effort level, and voice invokes it when it needs to search or reason. Users noted voice cuts off when switching apps; the fix is Settings > Voice > Background Conversations.

Related event: ChatGPT Voice Now Supports Model Selection, Including GPT-6 Astra(8 posts)→

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