GPT-5 specs, prices, where it runs and its benchmark standing

Name: GPT-5
Author: OpenAI

closed weights · #1 on 1 board · top 10 on 1 of 11 · released Aug 7, 2025

Provider: OpenAI
Release date: Aug 7, 2025; Boards
Parameters: Not disclosed by OpenAI
Modalities: Text, Image, Files to Text; OpenRouter
License: Proprietary; LMArena
Context window: 400K tokens; Pricing
Pricing: $1.25 in / $10 out per 1M tokens; All prices
Hosting: 5 priced API routes · Azure OpenAI (26 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 11 boards captured

Rank	Board	Category	Score	Of
13	MultiChallengeChat · as “gpt-5-thinking”	Chat	63.2%	35
15	HLEReasoning · as “gpt-5-2025-08-07”	Reasoning	25.3%	44
27	Search ArenaAgents and tools · as “GPT-5 (Search)”	Agents and tools	1,189	40
58	ARC-AGI-2Reasoning · as “GPT-5 (High)”	Reasoning	9.9%	92
63	Epoch ECIReasoning · as “GPT-5”	Reasoning	150.0	100
64	Vision ArenaVision · as “GPT-5 Chat”	Vision	1,226	85
71	GPQA DiamondReasoning · as “gpt-5-2025-08-07_high”	Reasoning	86.2%	100
77	WebDev ArenaCoding · as “GPT-5 (Medium)”	Coding	1,417	82
1	Aider PolyglotCoding · stale since 2025-10-03 · as “gpt-5 (high)”	Coding	88.0%	50
16	MMLU-ProReasoning · stale since 2026-03-11 · as “GPT-5(high)”	Reasoning	87.1%	100
16	SWE-bench VerifiedCoding · stale since 2026-02-26 · as “GPT 5 (2025-08-07) (medium)”	Coding	65.0%	39

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