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 2026-11-03.
OpenAI models at a similar price
| Model | In | Out | Ctx |
|---|---|---|---|
| gpt-oss-safeguard-20b | $0.075 | $0.3 | 131K |
| GPT-5 Nano · this model | $0.05 | $0.4 | 400K |
| GPT-4.1 Nano | $0.1 | $0.4 | 1.047576M |
| GPT-6 Luna | $0.1 | $0.5 | 1.05M |
| GPT-6 Luna Pro | $0.1 | $0.5 | 1.05M |
| GPT-4o-mini | $0.15 | $0.6 | 128K |