GPT-5.2 specs, prices, where it runs and its benchmark standing

Name: GPT-5.2
Author: OpenAI

closed weights · top 10 on 2 of 14 · released Dec 11, 2025

Provider: OpenAI
Release date: Dec 11, 2025; Boards
Parameters: Not disclosed by OpenAI
Modalities: Text, Image, Files to Text; OpenRouter
License: Proprietary; LMArena
Context window: 400K tokens; Pricing
Pricing: $1.75 in / $14 out per 1M tokens; All prices
Hosting: 4 priced API routes · Azure OpenAI (28 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 14 boards captured

Rank	Board	Category	Score	Of
14	HLEReasoning · as “gpt-5.2-2025-12-11”	Reasoning	27.8%	44
25	Vision ArenaVision · as “GPT-5.2 Chat (20260210)”	Vision	1,278	85
27	MCP AtlasAgents and tools · as “gpt-5.2 (xhigh)”	Agents and tools	67.6%	37
29	Text ArenaChat · as “GPT-5.2 Chat (20260210)”	Chat	1,476	84
31	GPQA DiamondReasoning · as “gpt-5.2-2025-12-11_xhigh”	Reasoning	91.4%	100
33	Search ArenaAgents and tools · as “GPT-5.2 (Search)”	Agents and tools	1,161	40
37	Document ArenaVision · as “GPT-5.2”	Vision	1,425	40
38	LiveBenchReasoning · as “gpt-5.2-2025-12-11-high”	Reasoning	74.6%	64
41	ARC-AGI-2Reasoning · as “GPT-5.2 (XHigh)”	Reasoning	52.9%	92
45	Epoch ECIReasoning · as “GPT-5.2”	Reasoning	154.4	100
78	WebDev ArenaCoding · as “GPT-5.2”	Coding	1,417	82
6	SWE-bench VerifiedCoding · stale since 2026-02-26 · as “GPT 5.2 (high)”	Coding	72.8%	39
10	MMLU-ProReasoning · stale since 2026-03-11 · as “GPT-5.2”	Reasoning	87.4%	100
14	BFCLAgents and tools · stale since 2026-04-12 · as “GPT-5.2-2025-12-11 (FC)”	Agents and tools	55.9%	81

Versions and release history

11 versions in this line since May 28, 2023, from Pricing, OpenRouter and the boards.

Category ranks, more models and catalog changes