All modelsCalculate what your real prompts cost on GPT-5.4 Nano
GPT-5.4 Nano
OpenAI model, released 17 Mar 2026.
$0.2
per 1M input tokens
$1.25
per 1M output tokens
$0.02
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
- 17 Mar 2026
- Context window
- 400k tokens
- Max output
- 128k tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Knowledge cutoff
- 2025-08-31
- Open source
- No
Frequently asked questions
How much does GPT-5.4 Nano cost?
GPT-5.4 Nano costs $0.2 per 1M input tokens and $1.25 per 1M output tokens (list price, updated every 6 hours).
What is GPT-5.4 Nano's context window?
GPT-5.4 Nano supports a 400k-token context window with up to 128k output tokens.