GPT-5 Nano

Aug 2025
GPT-5 Nano
Compare in
on
—per task?
$0.05 / $0.40per 1M in / outcache $0.005
172 tok/sfirst token in 33 s?
400Kcontext

Rankingat medium effort?

FAQ

How much does GPT-5 Nano cost?›

$0.05 per 1M input tokens and $0.40 per 1M output tokens; cached input $0.005 per 1M.

Is GPT-5 Nano free to use?›

There is no free API; the cheapest paid price is $0.05 per 1M input tokens.

How good is GPT-5 Nano, and what is it best at?›

#207 of 334 in Chat & Knowledge, #99 of 239 in Coding, #147 of 242 in Agents & Tool Use, #161 of 195 in Writing & Language, #98 of 124 in Vision & Documents.

Is GPT-5 Nano better than Falcon H1R 7B?›

On MathArena · SMT 2025, GPT-5 Nano scores 85.4 vs 85.9 — about the same.

How can I use GPT-5 Nano?›

Through the API of Azure, OpenAI.

What is the context window of GPT-5 Nano?›

400K tokens, with up to 128K output tokens.

When was GPT-5 Nano released? Is there a newer version?›

Released 2025-08-07. It has been superseded by GPT-5.4 Nano.

Is GPT-5 Nano open source?›

No, GPT-5 Nano is a closed model available through an API. The closest open-weights option here is Kimi K2 Thinking.

Can GPT-5 Nano read images?›

It accepts text and images, PDF files as input.

What is GPT-5 Nano?›

GPT-5 Nano is a closed language model from OpenAI, released Aug 2025.

What are the best alternatives to GPT-5 Nano?›

GPT OSS 120B (cheaper), Kimi K2 Thinking (open weights).