Skip to content
APMIX.AI

DeepSeek · Model

DeepSeek V4 Pro API

DeepSeek V4 Pro answers at api.apmix.ai under the id below — one key and one monthly plan, on the OpenAI and Anthropic wire formats your tools already speak. No separate DeepSeek account, no per-provider bill.

Model iddeepseek/deepseek-v4-proStarterProMax
Get an API key

At a glance

Provider
DeepSeek
Included in
Starter, Pro, Max — from $4.99/month
Weighted-token cost
0.5× — a 1,000-token exchange costs 500 weighted tokens
Context window
1M tokens
Free trial
Paid plans only — the free models are the place to start

Call DeepSeek V4 Pro

Set the model to deepseek-v4-pro in any OpenAI- or Anthropic-compatible client. Both base URLs accept the same apmix key.

OpenAI-compatible · Chat Completions
curl https://api.apmix.ai/v1/chat/completions \
  -H "Authorization: Bearer apx_live_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-v4-pro", "messages": [{"role": "user", "content": "Hello"}]}'
Anthropic-compatible · Messages
curl https://api.apmix.ai/v1/messages \
  -H "x-api-key: apx_live_YOUR_KEY" \
  -H "anthropic-version: 2023-06-01" \
  -H "Content-Type: application/json" \
  -d '{"model": "deepseek-v4-pro", "max_tokens": 1024, "messages": [{"role": "user", "content": "Hello"}]}'
Setup guides for Claude Code, Codex CLI, Cursor and more

Questions about DeepSeek V4 Pro

Is DeepSeek V4 Pro free on apmix?
Not on the free trial. DeepSeek V4 Pro is included from the Starter plan ($4.99/month), which covers every model in the catalog with one monthly allowance. You can still start free on the free Claude models.
Which plan includes DeepSeek V4 Pro?
Starter, Pro, Max. Each plan is a monthly allowance of weighted tokens shared across every model and every key; DeepSeek V4 Pro counts at 0.5× per token.
How do I use DeepSeek V4 Pro in Claude Code, Codex CLI or Cursor?
Point the tool at apmix — https://api.apmix.ai/v1 for OpenAI-compatible clients, https://api.apmix.ai for Anthropic-compatible ones — with your apmix key, and set the model to deepseek-v4-pro. The Docs page has copy-paste setup for each tool.