GPT-5.4 Pro

Mar 2026
GPT-5.4 Pro
Compare in
on
—per task?
$30 / $180per 1M in / out
—output speed?
1.05Mcontext

Alternatives?

FAQ

How much does GPT-5.4 Pro cost?›

$30 per 1M input tokens and $180 per 1M output tokens.

Is GPT-5.4 Pro free to use?›

There is no free API; the cheapest paid price is $30 per 1M input tokens.

How good is GPT-5.4 Pro, and what is it best at?›

#10 of 321 in Chat & Knowledge.

Is GPT-5.4 Pro better than GPT-5.5?›

On MathArena · Apex, GPT-5.4 Pro scores 69.8 vs 80.2 — about the same.

How can I use GPT-5.4 Pro?›

Through the API of Azure, OpenAI.

What is the context window of GPT-5.4 Pro?›

1.05M tokens, with up to 128K output tokens.

When was GPT-5.4 Pro released? Is there a newer version?›

Released 2026-03-05. It has been superseded by GPT-5.5 Pro.

Is GPT-5.4 Pro open source?›

No, GPT-5.4 Pro is a closed model available through an API. The closest open-weights option here is Kimi K3.

Can GPT-5.4 Pro read images?›

It accepts text and images, PDF files as input.

What is GPT-5.4 Pro?›

GPT-5.4 Pro is a closed language model from OpenAI, released Mar 2026.

What are the best alternatives to GPT-5.4 Pro?›

Claude Opus 4.8 (cheaper), Kimi K3 (open weights).