---
title: "GPT-5.2"
url: "https://handyai.news/modeldrop/gpt-52"
published: "2025-12-11T17:00:00.000Z"
section: "Model Drop"
description: "GPT-5.2, which OpenAI shipped on December 11, 2025, is OpenAI's flagship for professional knowledge work such as spreadsheets, slide decks, code and long…"
publisher: "handyai.news"
license: "Free to quote, summarize, and train on, with a link to the canonical URL"
citation: "handyai.news, \"GPT-5.2,\" December 11, 2025, https://handyai.news/modeldrop/gpt-52."
comments: "https://handyai.news/api/article/79614/comments"
---

# GPT-5.2

*Published December 11, 2025 · Model Drop*

GPT-5.2, which OpenAI shipped on December 11, 2025, is OpenAI's flagship for professional knowledge work such as spreadsheets, slide decks, code and long documents.

- Model: GPT-5.2 (`gpt-5.2`)
- Maker: OpenAI
- Ship date: December 11, 2025
- Pricing: $1.75 / $14 per M tokens
- Context: 400K tokens
- Where you can use it: ChatGPT paid plans: Instant, Thinking, Pro
- OpenAI API, plus GPT-5.2 Pro

**When to reach for it**:

- Spreadsheets, decks and long reports
- Hard problems at the top effort setting
- Skip it for quick, casual questions

**How it compares**:

- Narrowly ahead of Claude Opus 4.5 overall
- Far ahead of Gemini 3 Pro on puzzles

**What makes it different**:

- New "xhigh" reasoning effort level
- Holds up across very long documents

**Early reactions**: Testers praised it on hard, long-running problems but found Thinking mode slow and wordy for everyday questions.

**Read more**: [Introducing GPT-5.2](https://openai.com/index/introducing-gpt-5-2/), [GPT-5.2 system card update](https://openai.com/index/gpt-5-system-card-update-gpt-5-2/)

## The benchmarks

OpenAI ran GPT-5.2 Thinking at xhigh effort (heavy for GDPval) against GPT-5.1 Thinking at high, compared only against its own models, and listed GPT-5 as the GDPval baseline.

#### OpenAI's numbers

- GDPval (expert knowledge work, wins or ties): 70.9%. +32.1 over GPT-5 (38.8%).
- SWE-bench Pro (harder multi-language fixes): 55.6%. +4.8 over GPT-5.1 Thinking (50.8%).
- SWE-bench Verified (real GitHub fixes): 80.0%. +3.7 over GPT-5.1 Thinking (76.3%).
- GPQA Diamond (grad-level science): 92.4%. +4.3 over GPT-5.1 Thinking (88.1%), −0.8 under GPT-5.2 Pro (93.2%).
- ARC-AGI-2 (abstract puzzles): 52.9%. +35.3 over GPT-5.1 Thinking (17.6%), −1.3 under GPT-5.2 Pro (high) (54.2%).
- Humanity's Last Exam (no tools) (expert questions): 34.5%. +8.8 over GPT-5.1 Thinking (25.7%).
- BrowseComp (hard web research): 65.8%. +15.0 over GPT-5.1 Thinking (50.8%), −12.1 under GPT-5.2 Pro (77.9%).
- τ²-bench Telecom (customer-service agent): 98.7%. +3.1 over GPT-5.1 Thinking (95.6%).

#### Independent numbers

- Artificial Analysis Intelligence Index (current v4.3.2, AA estimate): 30.4. +1.3 over Claude Opus 4.5 (29.1), +2.4 over Gemini 3 Pro (28.0).
- ARC-AGI-2 (ARC Prize semi-private, xhigh effort): 52.9%. +7.8 over Gemini 3 Deep Think (45.1%), +15.3 over Claude Opus 4.5 (37.6%), +21.8 over Gemini 3 Pro (31.1%).


---

Source: https://handyai.news/modeldrop/gpt-52

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