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Documentation Index

Fetch the complete documentation index at: https://docs.oxen.ai/llms.txt

Use this file to discover all available pages before exploring further.

Try DeepSeek V4 Pro in the Workbench

Run this model interactively, tune parameters, and compare outputs.
Model ID: deepseek-v4-pro DeepSeek V4 Pro is the flagship of the V4 family, targeting advanced reasoning, coding, and complex multi-step tasks. The Mixture-of-Experts architecture activates 49B parameters per token out of a 1.6T total, and the model supports structured outputs and tool use natively.
MetricValue
Parameter Count1.6 trillion (49 billion active)
Mixture of ExpertsYes
Active Parameter Count49 billion
Context Length1,048,576 tokens
MultilingualYes
Tool UseYes
Structured OutputsYes

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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/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $OXEN_API_KEY" \
  -d '{
  "model": "deepseek-v4-pro",
  "messages": [
    {
      "role": "user",
      "content": "Hello, what can you do?"
    }
  ]
}'

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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/deepseek-v4-pro

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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.