GPT-5.4

Mar 2026
GPT-5.4
Compare in
on
—per task?
$2.50 / $15per 1M in / outcache $0.25
—output speed?
1.05Mcontext

Alternatives?

History

17 versions
1,2501,3001,3501,4001,4501,500Jul 24Jan 25Jul 25Jan 26Release dateArena Text · German4o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.4 · Mar5.5
1,2501,3001,3501,4001,4501,50020252026Release dateArena Text · German4o4.1 · Apr5 · Aug5.1 · Nov5.2 · Dec5.4 · Mar5.5

Benchmarks

in Chat & Knowledge
MMLU-Pro EMlab87.5
SimpleQA-Verifiedlab45.3
Chinese-SimpleQAlab76.8
GPQA Diamondlab93
HMMT February 2026lab97.7
IMOAnswerBenchlab91.4
Apexlab54.1
Apex Shortlistlab78.1
GDPval-AA Elolab1,674
HealthBench Professional length-adjustedlab48.1
MMLU-Pro · official boardlab87.5

FAQ

How much does GPT-5.4 cost?›

$2.50 per 1M input tokens and $15 per 1M output tokens; cached input $0.25 per 1M.

Is GPT-5.4 free to use?›

There is no free API; the cheapest paid price is $2.50 per 1M input tokens.

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

#27 of 334 in Chat & Knowledge, #26 of 44 in Coding, #48 of 175 in Agents & Tool Use, #35 of 195 in Writing & Language, #32 of 124 in Vision & Documents. Strongest at: Tool calling, Reasoning, Science, Long context, Knowledge, Instructions.

Is GPT-5.4 better than GPT-5.2?›

On Arena Text · German, GPT-5.4 scores 1,472.6 vs 1,444 — higher.

How can I use GPT-5.4?›

Through the API of Amazon Bedrock, Azure, OpenAI.

What is the context window of GPT-5.4?›

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

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

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 It has been superseded by GPT-5.5.

Is GPT-5.4 open source?›

No, GPT-5.4 is a closed model available through an API. The closest open-weights option here is GLM 5.3.

Can GPT-5.4 read images?›

It accepts text and images, PDF files as input.

What is GPT-5.4?›

GPT-5.4 is a closed language model from OpenAI, released Mar 2026, the successor to GPT-5.2.

What are the best alternatives to GPT-5.4?›

Muse Spark 1.3 (cheaper), Gemini 3.8 Flash (better), GLM 5.3 (open weights).