DeepSeek v4

5 hours ago

DeepSeek API is compatible with OpenAI/Anthropic formats, allowing use of their SDKs or compatible software with modified configuration.
API base URLs are provided for both OpenAI (https://api.deepseek.com) and Anthropic (https://api.deepseek.com/anthropic) formats.
Model options include deepseek-v4-flash, deepseek-v4-pro, and deprecated models (deepseek-chat, deepseek-reasoner) to be sunset on 2026/07/24.
Example API calls in curl, Python, and Node.js demonstrate non-streaming requests with parameters like model, messages, thinking type, and reasoning effort.

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