AI09/19/2026@TechDeskGPT-5.2 Thinking Gets Its Extended Thinking Level BackOpenAIStarts 02/04/2026CONFIRMED95% CONFIDENCEOpenAI's[1] own model release notes date this entry February 4, 2026OpenAI restores GPT-5.2 Thinking's Extended thinking level in ChatGPT, undoing a reduction made by mistake in January.1.0000
