Deprecations - as of
DeepSeek model deprecations
DeepSeek lists 4 deprecated or retired models on its official pages as of Oct 17, 2026: 4 retired. No shutdown is scheduled.
- Scheduled
- 0
- Deprecated
- 0
- Retired
- 4
- As of
- Oct 17, 2026
DeepSeek deprecation policy
DeepSeek has no dedicated deprecation page or written lifecycle policy; retirements are announced only in the official API Change Log and linked news posts, so these entries come from the changelog and news pages. The legacy deepseek-chat and deepseek-reasoner names got three months' notice (announced 2026-04-24, fully retired and inaccessible after 2026-07-24 15:59 UTC), while the V4 Flash names retired on 2026-09-10 are temporarily routed to V4.1 Flash for compatibility.
Source: DeepSeek API on api-docs.deepseek.com, read Oct 17, 2026.
Scheduled shutdowns
DeepSeek lists no shutdown dated after Oct 17, 2026.
Retired
4 modelsShut down on or before Oct 17, 2026, most recent first.
| Shut down | Model | Replacement | Notes | Source |
|---|---|---|---|---|
| deepseek-v4-flash-vision-expDeepSeek V4 Flash Vision Exp | deepseek-flash | Experimental vision model launched 2026-08-21 and retired 2026-09-10; the name is temporarily routed to V4.1 Flash. | Source for deepseek-v4-flash-vision-exp on api-docs.deepseek.com | |
| deepseek-v4-flashDeepSeek V4 Flash | deepseek-flash | Retired with the V4.1 Flash release; for compatibility the name is temporarily routed to V4.1 Flash rather than failing. | Source for deepseek-v4-flash on api-docs.deepseek.com | |
| deepseek-reasonerDeepSeek Reasoner (legacy name) | deepseek-v4-flash | Fully retired and inaccessible after 2026-07-24 15:59 UTC; before that it pointed to deepseek-v4-flash thinking mode. | Source for deepseek-reasoner on api-docs.deepseek.com | |
| deepseek-chatDeepSeek Chat (legacy name) | deepseek-v4-flash | Fully retired and inaccessible after 2026-07-24 15:59 UTC; before that it pointed to deepseek-v4-flash non-thinking mode. | Source for deepseek-chat on api-docs.deepseek.com |
FAQ
Which DeepSeek models shut down next?
No DeepSeek model has a scheduled shutdown date as of Oct 17, 2026.
How much notice does DeepSeek give before shutting down a model?
DeepSeek has no dedicated deprecation page or written lifecycle policy; retirements are announced only in the official API Change Log and linked news posts, so these entries come from the changelog and news pages. The legacy deepseek-chat and deepseek-reasoner names got three months' notice (announced 2026-04-24, fully retired and inaccessible after 2026-07-24 15:59 UTC), while the V4 Flash names retired on 2026-09-10 are temporarily routed to V4.1 Flash for compatibility.
How many DeepSeek models have been retired?
This page lists 4 retired DeepSeek models as of Oct 17, 2026. The most recent is deepseek-v4-flash-vision-exp, shut down Sep 10, 2026 with deepseek-flash as the replacement.
Where do these DeepSeek dates come from?
Every row is copied from DeepSeek's official pages at api-docs.deepseek.com, read on Oct 17, 2026, and links to the page it came from. Policy: https://api-docs.deepseek.com/updates
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