GPT 4.1 specs, prices, where it runs and its benchmark standing

Name: GPT 4.1
Author: OpenAI

closed weights · top 10 on 0 of 8 · released Apr 14, 2025

Provider: OpenAI
Release date: Apr 14, 2025; Boards
Parameters: Not disclosed by OpenAI
Modalities: Text, Image, Files to Text; OpenRouter
License: Proprietary; LMArena
Context window: 1.05M tokens; Pricing
Pricing: $2 in / $8 out per 1M tokens; All prices
Hosting: 4 priced API routes · Azure OpenAI (26 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 8 boards captured

Rank	Board	Category	Score	Of
34	MultiChallengeChat · as “gpt-4.1”	Chat	39.4%	35
38	HLEReasoning · as “GPT-4.1”	Reasoning	5.4%	44
72	Vision ArenaVision · as “GPT-4.1 (2025-04-14)”	Vision	1,214	85
82	ARC-AGI-2Reasoning · as “GPT-4.1”	Reasoning	0.4%	92
17	BFCLAgents and tools · stale since 2026-04-12 · as “GPT-4.1-2025-04-14 (FC)”	Agents and tools	54.0%	81
25	Aider PolyglotCoding · stale since 2025-10-03 · as “gpt-4.1”	Coding	52.4%	50
30	SWE-bench VerifiedCoding · stale since 2026-02-26 · as “GPT 4.1 (2025-04-14)”	Coding	39.6%	39
52	MMLU-ProReasoning · stale since 2026-03-11 · as “GPT-4.1”	Reasoning	81.8%	100

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