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

Name: GPT-5.4 Pro
Author: OpenAI

closed weights · #21 overall, podium score 7.9 · top 10 on 3 of 5 · released Mar 4, 2026

Provider: OpenAI
Release date: Mar 4, 2026; Boards
Parameters: Not disclosed by OpenAI
Modalities: Text, Image, Files to Text; OpenRouter
License: Proprietary; Boards
Context window: 1.05M tokens; Pricing
Pricing: $30 in / $180 out per 1M tokens; All prices
Hosting: 3 priced API routes · Azure OpenAI (29 regions) · OpenRouter; Pricing Regions
Weights: Closed weights
Benchmarks: 5 boards captured, #21 overall

Rank	Board	Category	Score	Of
6	HLEReasoning · as “gpt-5.4-pro-2026-03-05”	Reasoning	44.3%	44
7	GPQA DiamondReasoning · as “gpt-5.4-pro-2026-03-05_xhigh”	Reasoning	94.6%	100
9	MultiChallengeChat · as “gpt-5.4-pro-2026-03-05”	Chat	69.2%	35
16	Epoch ECIReasoning · as “GPT-5.4 Pro”	Reasoning	160.2	100
17	ARC-AGI-2Reasoning · as “GPT-5.4 Pro (XHigh)”	Reasoning	83.3%	92

Versions and release history

4 versions in this line since Oct 6, 2025, from Pricing, OpenRouter and the boards.

Category ranks, more models and catalog changes