All modelsCalculate what your real prompts cost on GPT-5 Nano
GPT-5 Nano
OpenAI model, released 7 Aug 2025.
$0.05
per 1M input tokens
$0.4
per 1M output tokens
$0.01
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- OpenAI
- Released
- 7 Aug 2025
- Context window
- 400k tokens
- Max output
- —
- Input modalities
- text, image, file
- Output modalities
- text
- Knowledge cutoff
- 2024-05-31
- Open source
- No
Frequently asked questions
How much does GPT-5 Nano cost?
GPT-5 Nano costs $0.05 per 1M input tokens and $0.4 per 1M output tokens (list price, updated every 6 hours).
What is GPT-5 Nano's context window?
GPT-5 Nano supports a 400k-token context window.