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GPT-5.4 API Pricing — OpenAI Costs & Alternatives | ModelPriceLab

Model Services/OpenAI/GPT-5.4

GPT-5.4

Name: GPT-5.4
Brand: OpenAI

Active

OpenAI positioned GPT-5.4 as its frontier model for complex professional work, with a 1.05M token context window and broad rollout across ChatGPT, Codex, and the API.

Input / 1M tokens

$2.50

Output / 1M tokens

$15.00

Last verified 2026-03-05

Modality:LLM

Release:Mar 5, 2026

Docs Pricing Status page Model pricing page Vendor API pricing Related API changes Check stack cost impact

Pricing

Platform

Scope

Input

Output

Details

Official

Standard

$2.50

$15.00

Latest changes

OpenAI introduced GPT-5.4 across ChatGPT, Codex, and API

Apr 13, 2026• Critical Update

OpenAI launched GPT-5.4 on March 5, 2026, with rollout to paid ChatGPT users, all Codex users, and immediate API availability. OpenAI also exposed GPT-5.4 Pro in the API, pricing GPT-5.4 at $2.50 input / $0.25 cached input / $15 output per 1M tokens and GPT-5.4 Pro at $30 input / $180 output per 1M tokens.

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