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Description
GPT-5 Nano is OpenAI's smallest general-purpose model in the GPT-5 family, optimized for speed and low latency with a 400k token context window.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$0.025/$0.2
$5.00/$30.00
Input /1M
$0.025
$5.00
Output /1M
$0.2
$30.00
Cached in /1M
$0.0025
$0.5
Context
400K
1M
Δ input since launch
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Δ output since launch
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Released
Aug 2025
Apr 2026
Status
—
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Provider
OpenAI
OpenAI