About GPT 4.1 nano
GPT 4.1 Nano is an LLM designed for tasks requiring low latency such as classification or autocompletion.
It excels in delivering fast responses with minimal cost while maintaining impressive capabilities, featuring the full 1 million token context window despite its lightweight nature.
Some other noteworthy use cases of GPT 4.1 Nano include high-volume operations, content tagging, and powering real-time AI agents where speed and efficiency are critical.
| Metric | Value |
|---|---|
| Context Length | 1,047,576 tokens |
| Multilingual | Yes |
Ready to build with GPT 4.1 nano?
Try GPT 4.1 nano in the Workbench to prompt it, compare outputs, and iterate on prompts without writing any code. When you're ready to ship, call the same model from our API and build your own apps on top of it.
curl -sSf -X POST https://hub.oxen.ai/api/ai/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $OXEN_API_KEY" \
-d '{
"model": "gpt-4-1-nano-2025-04-14",
"messages": [
{
"role": "user",
"content": "Try sending a message."
}
]
}'API endpoint
See the API reference for request and response formats.
POST
https://hub.oxen.ai/api/ai/chat/completions