DeepSeek API

Product

OpenAI-compatible developer API for DeepSeek foundation models.

Releases

Sep 10, 2026DeepSeek cuts API pricing with V4.1 FlashDeepSeek APIPricing change

DeepSeek reduced API prices following the V4.1 Flash release.

Aug 13, 2026DeepSeek API adds Responses API and thinking effort controlsDeepSeek APIAPI update

DeepSeek added native Responses API support and low, high and max thinking effort controls.

Aug 2, 2024DeepSeek API launches disk context cachingDeepSeek APIAPI update

DeepSeek introduced disk-based context caching to reduce repeated-token costs.

Jul 25, 2024DeepSeek API adds function calling and FIMDeepSeek APIAPI update

The API gained JSON mode, function calling, chat-prefix completion and fill-in-the-middle completion.

May 7, 2024DeepSeek API launchesDeepSeek APIAPI release

DeepSeek opened an OpenAI-compatible API for its chat and coding models.