OpenAI: GPT-5 Nano
openai/gpt-5-nanoGPT-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...
- Context window
- 400,000 tokens
- Input
- text · image · file
- Output
- text
- Relay support
- Text & vision
Reference prices & points
Our global markup: 15% · 1 USD = 10,000 points · Price version 0
| Billing unit | OpenRouter / USD | Our reference / USD | Points |
|---|---|---|---|
| Input / 1M tokens | $0.05 | $0.0575 | 575 |
| Output / 1M tokens | $0.4 | $0.46 | 4,600 |
| Per search | $0.01 | $0.0115 | 115 |
| Cache read / 1M tokens | $0.005 | $0.00575 | 57.5 |
Actual charge = the OpenRouter request cost × the markup locked for that request. Catalogue rates may be routing references; caching, long context, images and audio are charged when used. Listed prices do not mean every capability is available through this relay.
Catalogue time: 2026-11-11T23:55:39.885Z · Live catalogue
View all upstream price fields
{
"prompt": "0.00000005",
"completion": "0.0000004",
"web_search": "0.01",
"input_cache_read": "0.000000005"
}Integration & availability
Use /v1/chat/completions for non-streaming, multi-turn conversations. Models marked for vision accept images; documents can be extracted to text in the workspace. Create a site API key and ensure you have enough points and the service is enabled. Provider availability, context and budget limits apply.