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

Name: GPT-5 mini
Author: OpenAI

closed weights · top 10 on 0 of 6 · 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; Boards
Context window: 400K tokens; Pricing
Pricing: $0.25 in / $2 out per 1M tokens; All prices
Hosting: 4 priced API routes · Azure OpenAI (26 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 6 boards captured

Rank	Board	Category	Score	Of
17	MultiChallengeChat · as “gpt-5-mini-thinking”	Chat	59.0%	35
21	HLEReasoning · as “gpt-5-mini-2025-08-07”	Reasoning	19.4%	44
67	ARC-AGI-2Reasoning · as “GPT-5 Mini (High)”	Reasoning	4.4%	92
83	Epoch ECIReasoning · as “GPT-5 mini”	Reasoning	146.1	100
15	BFCLAgents and tools · stale since 2026-04-12 · as “GPT-5-mini-2025-08-07 (FC)”	Agents and tools	55.5%	81
20	SWE-bench VerifiedCoding · stale since 2026-02-26 · as “GPT 5 mini (2025-08-07) (medium)”	Coding	59.8%	39