DeepSeek V4 Pro
DeepSeek official V4 Pro API with free registration token grants, Context Caching, and direct OpenAI SDK compatibility.
Updated 8/31/20262 code examples
About the Model
Why Choose DeepSeek V4 Pro?
DeepSeek V4 Pro is the flagship 1.65T parameter MoE model engineered for autonomous agent coding, deep mathematical reasoning, and full-repository refactoring over 1M context tokens.
How to Access for Free (via DeepSeek)
DeepSeek 官方免费额度与计费优势
DeepSeek 平台注册即赠送免费体验 Token 额度，无需绑定海外信用卡即可立即开始调用。支持 Context Caching，大幅降低多轮对话成本。
Try it in your browser
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
Pick a model, paste your own free key, and run. Your key is sent once to call the provider and never stored on our servers.
Code Examples
curl https://api.deepseek.com/v1/chat/completions \
-H "Authorization: Bearer $DEEPSEEK_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-chat",
"messages": [{"role": "user", "content": "Hello DeepSeek V4!"}]
}'
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