DeepSeek V4.1 Flash: the October update

DeepSeek announced an updated Flash model, available through the existing deepseek-flash model name.

What changed

The official October 17 update keeps the API model name unchanged. Developers using the official API can continue to request deepseek-flash. Availability through an independent provider depends on that provider’s deployed model.

Source: DeepSeek official change log · 2026-10-17

This is an independent summary of DeepSeek’s announcement. It does not announce availability on DS-sub.

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