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Family3 measured versions

DeepSeek Flash

21stout of 71General intelligence, its best version: DeepSeek V4.1 Flash 1017, index 159.3
Measured versions31 with a profile
First release31/7/2026DeepSeek V4 Flash 0731
Latest release17/10/2026DeepSeek V4.1 Flash 1017

Lineage

Company
DeepSeek
Versions
DeepSeek V4.1 Flash 1017DeepSeek V4.1 FlashDeepSeek V4 Flash 0731
Assistants that offer its latest version
DeepSeek

Versions without a link: below the threshold for a profile (3 public measurements, or a place in the top 10 of a benchmark).

DeepSeek Flash versions, general intelligence and release date

Epoch AI ECI index and its 95% interval; 3 versions released in 2026 and measured by the ECI index, the most recent highlighted; the rank of each version in each benchmark, in the "Table" tab

AugSepOctNov155160General intelligence index (ECI)DeepSeek V4.1 Flash 1017DeepSeek V4.1 FlashDeepSeek V4 Flash 0731

Dot: the index measured, at the release dateLine: the 95% interval

Sources: Epoch AI, "Capabilities & benchmarking"; LMArena. CC BY 4.0 licence.

AI Impact, by Projet Celsius

Rank among models released in 2026 and measured by the benchmark. Sources: Epoch AI and LMArena (CC BY 4.0), data as of 10 November 2026. An underlined name links to the version profile.

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