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

Name: GPT-4.1 Nano
Author: OpenAI

closed weights · top 10 on 0 of 3 · 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; Boards
Context window: 1.05M tokens; Pricing
Pricing: $0.1 in / $0.4 out per 1M tokens; All prices
Hosting: 3 priced API routes · Azure OpenAI (26 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 3 boards captured

Rank	Board	Category	Score	Of
84	ARC-AGI-2Reasoning · as “GPT-4.1-Nano”	Reasoning	0.0%	92
41	BFCLAgents and tools · stale since 2026-04-12 · as “GPT-4.1-nano-2025-04-14 (FC)”	Agents and tools	33.0%	81
48	Aider PolyglotCoding · stale since 2025-10-03 · as “gpt-4.1-nano”	Coding	8.9%	50

Versions and release history

3 versions in this line since Apr 14, 2025, from Pricing, OpenRouter and the boards.

Category ranks, more models and catalog changes