Technology & Science

OpenAI Launches GPT-5.2 After 'Code Red' to Counter Google’s Gemini 3

On 11–12 Dec 2025, OpenAI fast-tracked and released GPT-5.2 in three commercial tiers, positioning it as a higher-precision rival to Google’s month-old Gemini 3.

By Underlines Team

Focusing Facts

  1. GPT-5.2 Thinking scored 55.6 % on the SWE-Bench Pro coding benchmark (≈+5 pp vs GPT-5.1) and completed GDPval professional tasks 11× faster than humans at <1 % of the labor cost.
  2. Walt Disney agreed to invest US$1 billion in OpenAI and granted a three-year licence covering 200+ franchise characters for the Sora video generator.
  3. OpenAI will keep GPT-5.1 available for three months; free-tier ChatGPT users begin receiving GPT-5.2 access on 13 Dec 2025.

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