AI Radar

GPT-5.2

Available · Language, Multimodal, Reasoning

GPT-5.2 is an OpenAI model series for text and image input aimed at professional knowledge work, released on 11 December 2025 in ChatGPT as GPT-5.2 Instant, Thinking and Pro and in the API the same day. It added an xhigh reasoning effort level and moved the knowledge cutoff to August 2025. [1] [2]Model details [3]Dec 11 (2025) [4]December 11, 2025 Primary source

Timeline of GPT-5.2 →

Claims and evidence

  • Released Primary source[1]opening and Availability & pricing [3]Dec 11 (2025) [4]December 11, 2025
  • Removed from ChatGPT Actual removal date. Earlier announced plans named different days for individual models.Other sources give: [5]Availability Planned retirement of GPT-5.2 Instant as announced with GPT-5.3 Instant.; [6]Availability and pricing Planned retirement of GPT-5.2 Thinking as announced with GPT-5.4. Primary source[4]June 12, 2026: Retiring GPT-5.2 models
  • gpt-5.2-chat-latest shut down in the API Primary source[7]2026-05-08: gpt-5.2-chat-latest and gpt-5.3-chat-latest model snapshots
  • Status AvailableThe API model gpt-5.2 is listed in the catalog as the previous flagship and is not on the deprecations page. GPT-5.2 Instant, Thinking and Pro were removed from ChatGPT on 2026-06-12, and the chat alias gpt-5.2-chat-latest was shut down on 2026-08-10. Primary source[2]Model details [7]
  • Successor of GPT-5.1The changelog describes GPT-5.2 as improving on the previous GPT-5.1, the system card update places it in the same GPT-5 series after GPT-5.1, and in ChatGPT GPT-5.1 moved to the legacy models. Primary source[3]Dec 11 (2025) [1]Availability & pricing [8]Introduction
  • Change · Reasoning Adds an xhigh reasoning effort level, concise reasoning summaries and context management through compaction.Compared with GPT-5.1 Primary source[3]Dec 11 (2025)
  • Change · Training data Knowledge cutoff moves to 31 August 2025, from 30 September 2024 for GPT-5.1.Compared with GPT-5.1 Primary source[2] [9]
  • Change · Modality OpenAI reports better image understanding, especially reasoning over charts and understanding software interfaces.Compared with GPT-5.1 Primary source[1]
  • Change · Other Higher API price than GPT-5.1: 1.75 USD input and 14 USD output per million tokens, against 1.25 and 10 USD.Compared with GPT-5.1 Primary source[1]Availability & pricing [9]
  • Input text, image Primary source[2]Model details
  • Output text Primary source[2]Model details
  • Feature Reasoning modeReasoning effort none (default), low, medium, high and the new xhigh. Primary source[2] [1]Model naming across ChatGPT & API
  • Feature Function calling Primary source[2]Supported features
  • Context window 400,000 tokensAPI model gpt-5.2 (GPT-5.2 Thinking). Primary source[2]Model details
  • Parameters Not disclosedNot disclosed by OpenAI. No claim madeNo source
  • Access consumer app, API Primary source[1]Availability & pricing

Lineage

Predecessors

Successors

Based on

Not derived from another model.

Variants and derived

None recorded.

Siblings

None recorded.

All ancestors

All descendants

Variants

GPT-5.2 Pro

  • Released Primary source[1]Model naming across ChatGPT & API [10]Snapshots
  • Variant Inline variant in this record.Released the same day in ChatGPT (paid plans) and in the Responses API as gpt-5.2-pro, with reasoning effort medium, high or xhigh. Removed from ChatGPT with the other GPT-5.2 models on 2026-06-12. Primary source[1] [10]

Also known as: gpt-5.2-pro, gpt-5.2-pro-2025-12-11

Differs in:

  • Context window: 400,000 tokens Evidence not assessed [10]Model details

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