OpenAI retired GPT-5.2 models in ChatGPT; existing conversations continue on corresponding GPT-5.5 models.

ChatGPT model handoffs are automatic, so old GPT-5.2 threads move without a user-side migration.

This sits inside OpenAI’s stated retirement window after successor release, making model availability a moving dependency in ChatGPT.

• Jul 14, 2026Anthropic removed modelcard copy for Claude Fable 5 and Claude Mythos 5.
• Jul 14, 2026Dreams research preview now supports Claude Fable 5 and Claude Sonnet 5.
• Jul 14, 2026OpenAI removed ChatGPT Business and Enterprise pricing copy from the pricing page

This is the world we build in. It moves this fast. We move with it.