GPT-5 Nano
OpenAIGPT-5-Nano is the smallest and fastest variant in the GPT-5 system, optimized for developer tools, rapid interactions, and ultra-low latency environments. While limited in reasoning depth compared to its larger...
In
$0.05
Out
$0.40
Blended
$0.14
Where to buy this model
2 access routes| Route | In | Out | Blended | vs |
|---|---|---|---|---|
| $0.03 | $0.20 | $0.07 | - | |
| $0.05 | $0.40 | $0.14 | +100% |
● official API · ● cloud platform · ● inference host · USD per 1M tokens. Same model, different providers - price and quantization vary.
- Ctx
- 400K
- max output
- 128K
- cache read /1M
- $0.01
- Family
- gpt
- Modalities
- text · image · file
- Features
- json · reasoning · tools
Live pricing, updated 2026-09-15.