---
id: "2025-12-11-gpt-5-2"
url: "https://postcutoff.com/e/2025-12-11-gpt-5-2/"
as_of: "2026-11-13T13:49:00+01:00"
date: "2025-12-11"
date_precision: day
category: model-release
importance: 3
confidence: medium
status: [Partly confirmed]
sources: 2
editor: human editor
human_review: null
version: "2026-10-04"
---

As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/e/2025-12-11-gpt-5-2/

# 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.

## Your AI and this story

- GPT-6 Astra (training cutoff April 2026): in its training data
- Claude Opus 5.5 (training cutoff June 2026): in its training data
- Gemini 4 Hydrogen (training cutoff March 2026): in its training data
- Grok 4.7 (training cutoff May 2026): in its training data

## Sources

1. [Introducing GPT-5.2 (OpenAI)](https://openai.com/index/introducing-gpt-5-2/) (openai.com, official)
2. [Update to GPT-5 System Card: GPT-5.2 (OpenAI)](https://openai.com/index/gpt-5-system-card-update-gpt-5-2/) (openai.com, docs)

## Changes

- 2026-09-29 (filed): Created

## Related

- 2025-11-18: [Google launches Gemini 3](https://postcutoff.com/e/2025-11-18-gemini-3/index.md)
- 2025-08-07: [OpenAI launches GPT-5](https://postcutoff.com/e/2025-08-07-gpt-5/index.md)