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DeepSeek · API
DeepSeek V4 Pro API
Use 1M context with one OmniaKey API key.
- Model ID
- deepseek-v4-pro
- Context
- 1M
- Provider
- DeepSeek
- Input · USD / 1M tokens
- $0.348 USD
- Official price $0.435 USD
- Output · USD / 1M tokens
- $0.696 USD
- Official price $0.87 USD
- Savings
- 20%
- Last verified
- 2026-07-22
01
Where it fits
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
Frequently asked questions
How much does DeepSeek V4 Pro cost on OmniaKey?
OmniaKey charges $0.348 USD per 1M input tokens and $0.696 USD per 1M output tokens, in USD. Official prices are $0.435 USD and $0.87 USD; you save 20%.
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.