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DeepSeek V4 Pro API

LLM

DeepSeek V4 Pro is DeepSeek's flagship route with 1M context, thinking modes, and structured tool use.

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01

Where it fits

DeepSeek V4 Pro is DeepSeek's flagship route with 1M context, thinking modes, and structured tool use.

Choose it for long-context coding and agent tasks where DeepSeek's Pro route is the preferred model.

02

Model capabilities

Tool use

Can select and call tools in agent workflows that support structured tool use.

03

OpenAI-compatible API

Keep your client and change the base URL, API key, and model ID.

curl
curl https://api.omniakey.com/v1/chat/completions \
  -H "Authorization: Bearer $OMNIAKEY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "deepseek-v4-pro",
    "messages": [{"role": "user", "content": "Explain this codebase"}],
    "stream": true
  }'

04

Compatible coding tools

Claude Code
Codex
Cursor
Cline
Aider

More DeepSeek models

Frequently asked questions

How much does DeepSeek V4 Pro cost on OmniaKey?

OmniaKey charges the official rate: $0.435 USD per 1M input tokens and $0.87 USD per 1M output tokens, in USD.

What is the context window for DeepSeek V4 Pro?

The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.

Which coding tools work with DeepSeek V4 Pro?

The current catalog lists compatibility with Claude Code, Codex, Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.