← LLM API prices

GPT-5.4 Pro

OpenAI

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...

In
$30.00
Out
$180.00
Blended
$67.50
Where to buy this model
2 access routes
RouteInOutBlendedvs
OpenAI cheapest$15.00$90.00$33.75-
Azure $30.00$180.00$67.50+100%

official API · cloud platform · inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.

Ctx
1.05M
max output
128K
Family
gpt
Modalities
text · image · file
Features
json · reasoning · tools

Live pricing, updated 2026-09-15.

Concepts on this page