OpenAI staffer confirms GPT-5.6 Sol differs between ChatGPT and Work/Codex
john__allard · x · 2026-09-11
An OpenAI employee explained that most users don't realize ChatGPT serves different models: the 'latest chat model' is optimized for conversation. Responding to complaints that long-running old chats are stuck on an inferior tier, she confirmed 5.6 Sol is a different version in chat vs. work/codex — the same name hides distinct model variants across product lines.
Related event: OpenAI Staff Clarify ChatGPT's 'Latest Model' Refers to 5.6, Not Astra(2 posts)→
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