Overview
[Unofficial beta] An interim DeepSeek V4.1 Flash build with temporary model ID `deepseek-v4.1-flash-expires-on-0910`; reports describe a new architecture and native multimodality, but this is not treated as a formal public DeepSeek release.
DeepSeek-V4.1 Flash
[Unofficial beta] An interim DeepSeek V4.1 Flash build with temporary model ID `deepseek-v4.1-flash-expires-on-0910`; reports describe a new architecture and native multimodality, but this is not treated as a formal public DeepSeek release.
Unofficial beta endpoint: the site maintainer verified that model ID `deepseek-v4.1-flash-expires-on-0910` is callable; the temporary ID contains expires-on-0910, which is not a confirmed formal retirement date.
MODEL NUMBER085
- First public date
- 2026-09-08
- Organization
- DeepSeek
- Family
- DeepSeek V / R
01
Specifications
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- Status
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02
Overview
Why it mattered
Included after user testing to preserve fast-moving model intelligence; the source remains secondary/reported, and formal status, specifications, and validity are not inferred.
03
Architecture & capabilities
04
Release history
[Unofficial beta] The temporary API endpoint `deepseek-v4.1-flash-expires-on-0910` is callable; included after user testing, not a formal public release.
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06
Sources
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