OpenAI

GPT-5.2 Pro

CTX400K

90Quality

Reasoning · Vision · Tools

Input$21/M

Output$168/M

Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows

PaidProprietary725/1044

Drag to turn

OpenAITextHolo rare

GPT-5.2 Pro

Higher-accuracy GPT-5.2 variant for tougher reasoning and review workflows

gpt-5.2-pro

Type: Text
Quality: 90 · Top 10% on the Epoch Capabilities Index
Context window: 400,000 tokens
Max output: 128,000 tokens
Input price: $21.00 / 1M tokens
Output price: $168 / 1M tokens
Cache read: —
Cache write: —
Released: Dec 11, 2025
Knowledge cutoff: Aug 2025
Takes in: Text, Image
Puts out: Text
Reasoning: Yes
Tool calling: Yes
Structured output: No
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Holo rare
Set number: 725/1044

Open OpenAI docs Quality 90 Where to run it 12 Evolution 2/4 Meet its creature Battle Claude Fable 5.1

Weights aren’t public. Use is governed by OpenAI’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: platform.openai.com.

How good is it?

Public leaderboard scores for GPT-5.2 Pro, refreshed daily from Epoch AI and LMArena.

Top 10% of the 277 models on the Epoch Capabilities Index: #29.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#29 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.156.0 index

Benchmarks Epoch AI runs

74%FrontierMathUnpublished research-level math problems, tiers 1–3

Scores from Epoch AI, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

12 providers sell GPT-5.2 Pro through an API. Prices are per million tokens, cheapest first.

CheapestPoe$19.00 in · $150 out
From the labOpenAI$21.00 in · $168 out

API providers

Provider	Input	Output	Context
PoeCheapest paid`openai/gpt-5.2-pro`	$19.00	$150	400K
Jiekou.AI`gpt-5.2-pro`	$18.90	$151	400K
DevPass (LLM Gateway)`gpt-5.2-pro`	$21.00	$168	400K
Eden AI`openai/gpt-5.2-pro`	$21.00	$168	400K
Kilo Gateway`openai/gpt-5.2-pro`	$21.00	$168	400K
LLM Gateway`openai/gpt-5.2-pro`	$21.00	$168	400K
OpenAIOfficial`gpt-5.2-pro`	$21.00	$168	400K
OpenRouter`openai/gpt-5.2-pro`	$21.00	$168	400K
OrcaRouter`openai/gpt-5.2-pro`	$21.00	$168	400K
Vercel AI Gateway`openai/gpt-5.2-pro`	$21.00	$168	400K

Show 2 more providers

Provider	Input	Output	Context
ZenMux`openai/gpt-5.2-pro`	$21.00	$168	400K
AI/ML API`openai/gpt-5.2-pro`	$28.88	$231	400K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

GPT-5.2 Pro

GPT-5.2 Pro

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Face off

More from OpenAI

GPT-6.1 Sol

GPT-6 Sol

GPT-6 Luna

GPT-6 Astra

GPT-5.6 Terra

GPT-5.6 Sol

GPT-5.6 Luna

GPT-5.6