GPT-5.2

openai/gpt-5.2-20251211

OpenAI's GPT-5.2 is a multimodal model that accepts file, image, and text inputs and produces text output. It supports tool usage and reasoning, offers a context window of 400 000 tokens, and is priced at $1.75 per million input tokens and $14 per million output tokens. The model was released on 2025‑12‑11 and does not have open weights.

  • tool use
  • structured outputs
  • reasoning

At a glance

provideropenai
releasedDec 11, 2025
context400K
input / M$1.75

Specifications

What the API gives you

Context window
400K tokens
Max output
128K tokens
Input price
$1.75 / 1M tokens
Output price
$14 / 1M tokens
Cache read
$0.17 / 1M tokens
Modalities
file, image, text → text
Knowledge cutoff
—
Released
Dec 11, 2025

Recommendation coverage

Where this model appears

  1. #2Best LLM for Logic & Problem Solving
  2. #5Best LLM for Translation

Measured evidence

Public benchmark record

LMArena Text
1487 Elo2026-07-20
LMArena Vision
1229 Elo2026-07-12
LMArena WebDev
1406 Elo2026-07-16
LMArena WebDev
1406 Elo2026-07-20

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.