About Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google's Pro-tier multimodal reasoning model in the Gemini 3 series. It is built for complex, multi-step tasks where stronger planning, deeper synthesis, and reliable tool use are required.
Some other noteworthy features of Gemini 3.1 Pro Preview include improved token efficiency, structured outputs, function calling, code execution, search grounding, and support for multimodal inputs (text, image, video, audio, and PDF).
| Metric | Value |
|---|---|
| Context Length | 1,048,576 tokens |
| Multilingual | Yes |
Ready to build with Gemini 3.1 Pro Preview?
Try Gemini 3.1 Pro Preview 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": "gemini-3-1-pro-preview",
"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