OpenAI Releases GPT-5.2 in Three Variants Following Internal 'Code Red' Response to Google Gemini 3

Summary

OpenAI released GPT-5.2 on December 11, 2025, in three variants — Instant, Thinking, and Pro — as a direct competitive response to Google's Gemini 3 AI model. The release followed CEO Sam Altman's internal 'code red' memo directing company resources toward improving ChatGPT to counter competitive pressure from Google. The tiered model approach suggests OpenAI is segmenting its offerings by inference cost and reasoning depth, mirroring patterns seen across the industry. Notably, OpenAI chose not