OpenAI
GPT-5 Nano Pricing
API pricing for GPT-5 Nano by OpenAI. Input tokens cost $0.05/1M, output tokens cost $0.4/1M with 400K context window.
Last updated:
ReasoningToolsVision
Input Cost
$0.05
per 1M tokens
Output Cost
$0.4
per 1M tokens
Context Window
400K
tokens
Cost Calculator
Estimated Cost:
$0.00
Model Details
Provider OpenAI
Model ID gpt-5-nano
Context Window 400K tokens
Max Output 128000 tokens
Cache Read Cost $0.005/1M
Release Date 2025-08-07
Compare Alternatives
| Model | Input | Output | Context |
|---|---|---|---|
| GPT-5 Nano (this model) | $0.05 | $0.4 | 400K |
| Qwen Flash Alibaba | $0.05 | $0.4 | 1M |
| Qwen2.5-Omni 7B Alibaba (China) | $0.087 | $0.345 | 33K |
| Qwen2.5-Coder 7B Instruct Alibaba (China) | $0.144 | $0.287 | 131K |
| Qwen2.5-Math 7B Instruct Alibaba (China) | $0.144 | $0.287 | 4K |
| GLM-4.7-FlashX Z.AI | $0.07 | $0.4 | 200K |
Available from Resellers
GPT-5 Nano is also available through these resellers and gateways:
| Reseller | Model | Input | Output |
|---|---|---|---|
| 302.AI | gpt-4.1-nano | $0.1 | $0.4 |
| 302.AI | gpt-5.4-nano | $0.2 | $1.25 |
| 302.AI | gpt-5.4-nano-2026-03-17 | $0.2 | $1.25 |
| Abacus | GPT-4.1 nano | $0.1 | $0.4 |
| Abacus | GPT-5 Nano | $0.05 | $0.4 |
| Abacus | GPT-5.4 nano | $0.2 | $1.25 |
| Azure | GPT-4.1 nano | $0.1 | $0.4 |
| Azure | GPT-5 Nano | $0.05 | $0.4 |
| Azure | GPT-5.4 Nano | $0.2 | $1.25 |
| Azure Cognitive Services | GPT-4.1 nano | $0.1 | $0.4 |