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Try Gemini 3.1 Pro Preview in the Workbench

Run this model interactively, tune parameters, and compare outputs.
Model ID: gemini-3-1-pro-preview Gemini 3.1 Pro Preview is Google’s flagship 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).
MetricValue
Parameter CountUnknown
Mixture of ExpertsUnknown
Context Length1,048,576 tokens
MultilingualYes
Quantized*Unknown
*Quantization is specific to the inference provider and the model may be offered with different quantization levels by other providers.

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Example request

Use the Workbench as a request builder: configure parameters for this model in the UI, then open the API tab to copy the exact cURL or Python call.
curl -X POST https://hub.oxen.ai/api/ai/audio/transcriptions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OXEN_API_KEY" \
  -d '{
  "model": "gemini-3-1-pro-preview",
  "audio_url": "https://example.com/audio.mp3"
}'

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Fetch model details

The models endpoint returns the full model object, including its json_request_schema. 
curl -H "Authorization: Bearer $OXEN_API_KEY" https://hub.oxen.ai/api/ai/models/gemini-3-1-pro-preview

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Request parameters

This model follows the standard OpenAI chat completions request body. See the chat completions reference for the full parameter list.