Model overview
Deep thinkingText generationDeepSeek-V4-Pro is a flagship MoE model with 1.6T total parameters and 49B active parameters. It natively supports million-token long context and is designed for advanced mathematics, complex reasoning, professional coding, deep long-document analysis, scientific research, office workflows, and agentic tasks.
Company: DeepSeekProvider: Alibaba Cloud
Model capabilities
Input modalityT
Output modalityT
Model experience✓
Function calling✓
Structured output-
Web search-
Prefix completion-
Context cache✓
Batch inference✓
Fine-tuning-
Model pricing
Input$1.79/1M tokens
Input (cache hit)$0.1493/1M tokens
Output$3.58/1M tokens
Rate limits and context
Maximum input length1M
Context length1M
Maximum output length384K
RPM15000
TPM1200000
API reference
EndpointPOST /v1/chat/completions
SDKOpenAI-compatible
API code examples
from openai import OpenAI client = OpenAI( api_key="$WLROUTER_API_KEY", base_url="https://api.wlrouter.com/v1" ) response = client.chat.completions.create( model="deepseek-v4-pro", messages=[ {"role": "user", "content": "Reply with one short sentence."} ], max_tokens=32 ) print(response.choices[0].message.content)