---
title: "DeepSeek API API changes, deprecations and deadlines | Harbyn"
description: "DeepSeek API: 0 upcoming deadlines and 3 recorded changes as of 2026-10-25, each with its source."
canonical: "https://harbyn.com/vendors/deepseek"
last-updated: 2026-10-17
---

# DeepSeek API: API changes and deadlines

Markdown version of <https://harbyn.com/vendors/deepseek>.

AI models and APIs. 0 upcoming deadlines, 3 recorded changes. Every entry cites the DeepSeek API page we read it from.

## What we read

The DeepSeek API pages and feeds our ingestion visits, politely and on a schedule.

- **Changelog**: <https://api-docs.deepseek.com/updates/>
- **Releases**: <https://huggingface.co/api/models?author=deepseek-ai&sort=createdAt&direction=-1&limit=50>

## What the scanner looks for

How `harbyn scan` recognises DeepSeek API in a repository, on your machine. Nothing leaves it.

- **API hosts**: `api.deepseek.com`
- **Model IDs starting with**: `deepseek-`

## Upcoming deadlines

No upcoming DeepSeek API deadline in the feed right now.

## Change history

Newest first, by the date DeepSeek API announced it. This is the archive: past changes are not warnings, and changes we recorded after they took effect are marked as such.

### October 2026

- Oct 17, 2026, Behavior change: [deepseek-flash now serves DeepSeek-V4.1-Flash-1017](https://harbyn.com/changes/deepseek/2026-10-17-deepseek-v4-1-flash-1017-update.md)
- Oct 17, 2026, Feature: [Search and Fetch APIs launched](https://api-docs.deepseek.com/updates/)

### September 2026

- Sep 10, 2026, Retirement: [Previous-generation V4 Flash models retired](https://harbyn.com/changes/deepseek/2026-09-10-previous-generation-v4-flash-models-retired.md) (effective Sep 10, 2026; recorded after the fact)