GPT-5.4 Nano specs, prices, where it runs and its benchmark standing

Name: GPT-5.4 Nano
Author: OpenAI

closed weights · top 10 on 0 of 5 · released Mar 17, 2026

Provider: OpenAI
Release date: Mar 17, 2026; Boards
Parameters: Not disclosed by OpenAI
Modalities: Text, Image, Files to Text; OpenRouter
License: Proprietary; LMArena
Context window: 400K tokens; Pricing
Pricing: $0.2 in / $1.25 out per 1M tokens; All prices
Hosting: 4 priced API routes · Azure OpenAI (29 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 5 boards captured

Rank	Board	Category	Score	Of
53	LiveBenchReasoning · as “gpt-5.4-nano-xhigh”	Reasoning	69.6%	64
63	ARC-AGI-2Reasoning · as “GPT-5.4 Nano (XHigh)”	Reasoning	5.7%	92
81	Epoch ECIReasoning · as “GPT-5.4 Nano”	Reasoning	146.4	100
81	Vision ArenaVision · as “GPT-5.4 nano (High)”	Vision	1,199	85
96	GPQA DiamondReasoning · as “gpt-5.4-nano-2026-03-17_high”	Reasoning	78.5%	100