GPT-5.2 Arrives as OpenAI Scrambles To Respond To Gemini 3's Gains

OpenAI on Thursday released GPT-5.2, its latest and what the company calls its "best model yet for everyday professional use," just days after CEO Sam Altman declared a "code red" internally to marshal resources toward improving ChatGPT amid intensifying competition from Google's well-received Gemini 3 model. The GPT-5.2 series ships in three tiers: Instant, designed for faster responses and information retrieval; Thinking, optimized for coding, math, and planning; and Pro, the most powerful tie