DeepSeek-V4.1-Flash

DeepSeek-V4.1-Flash is a DeepSeek model released on September 10, 2026, and called as deepseek-flash in the API.

Lab
DeepSeek
Release date
Status
Generally available
API model ID
deepseek-flash

DeepSeek released DeepSeek-V4.1-Flash on September 10, 2026, calling it the smallest model in its new architecture family, with native multimodal visual understanding. In the API it is called with the model name deepseek-flash. The same day DeepSeek retired V4 Flash and V4 Flash Vision Exp; the names deepseek-v4-flash and deepseek-v4-flash-vision-exp are temporarily routed to V4.1 Flash.

Availability
DeepSeek API as deepseek-flash; legacy names deepseek-v4-flash and deepseek-v4-flash-vision-exp temporarily routed to it.
Official source
api-docs.deepseek.com
Last checked

Questions

When was DeepSeek-V4.1-Flash released?
DeepSeek released DeepSeek-V4.1-Flash on September 10, 2026.
What is the API model name for DeepSeek-V4.1-Flash?
In the API it is called with the model name deepseek-flash.
Does DeepSeek-V4.1-Flash understand images?
Yes. DeepSeek describes it as having native multimodal visual understanding.
What happened to deepseek-v4-flash?
DeepSeek retired V4 Flash and V4 Flash Vision Exp the same day; both names are temporarily routed to V4.1 Flash.

Source

Release dates, model IDs and limits come from each lab’s own announcement, changelog, documentation or deprecations page, linked on every model with the date it was last checked. How we pick and check sources: editorial standards.

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