OpenAI releases GPT-5.2
OpenAI released GPT-5.2 in Instant, Thinking and Pro variants, about three weeks after Gemini 3, reportedly accelerated by an internal 'code red'; it targeted professional knowledge work such as spreadsheets, presentations and long-running multi-step tasks.
Key facts
- Released 11 December 2025
- Variants: GPT-5.2 Instant, Thinking and Pro; GPT-5.2-Codex followed
- 400K-token context window
- API price $1.75 per million input tokens
- Succeeded GPT-5.1 (November 2025)
What happened
OpenAI shipped a rapid point release of GPT-5 focused on professional tasks and agentic reliability.
Why it matters
Illustrated the compressed release cadence of late 2025, with frontier leadership changing hands within weeks.
Changelog
- 2026-09-29: created
Related events
- OpenAI launches GPT-5 ★★★★★
- Google launches Gemini 3 ★★★★★
Sources (2)
id: 2025-12-11-gpt-5-2 · updated 2026-09-29 · open in the interactive timeline