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Thinking Machines · Thinking Machines platform · LLM

DeepSeek-V3.1

Shutdown scheduledShuts down on Oct 23, 2026Today

Provider-recommended replacement: DeepSeek-V4.1-Flash-1017

Thinking Machines will shut down DeepSeek-V3.1 on Oct 23, 2026. The replacement Thinking Machines recommends is DeepSeek-V4.1-Flash-1017. Source: tinker-docs.thinkingmachines.ai · Last checked Oct 20, 2026

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Notice

Shutdown scheduledToday

Shuts down on Oct 23, 2026

Thinking Machines lists October 23, 2026 as the shutdown date. Listed model identifier.

Hosting route
Thinking Machines platform
Affected scope
Listed model identifier
Replacement
DeepSeek-V4.1-Flash-1017
Announced
Not published
First seen by ModelClock
Oct 9, 2026

What the provider published

tinker-docs.thinkingmachines.ai ↗

| October 23, 2026 | DeepSeek-V3.1 | DeepSeek-V4.1-Flash-1017 |

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DeepSeek-V3.1 shutdown date

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