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IFAI

DeepSeek V4.1 Flash

DeepSeekOpen weightsReleased Oct 17, 2026

Rank on Intelligence, week by week

Its best rank each week
Aug 24Not on the board
Aug 31Not on the board
Sep 7Not on the board
Sep 14#38
Sep 21#39
Sep 28#51
Oct 5#63
Oct 12#65
Oct 19#47
Oct 26#30
Nov 2#40
Nov 9#52

Scores by variant

Reasoning efforts and resolutions of the same model are ranked separately.

Intelligence · Intelligence Index
  • DeepSeek V4.1 Flash 1017 (Max)#5232.6
  • DeepSeek V4.1 Flash 1017 (High)#6728.6
  • DeepSeek V4.1 Flash 1017 (Non-reasoning)#8918.5
Coding · WebDev arena
  • DeepSeek-V4.1-Flash-20261017 (Max)#161,664
  • DeepSeek-V4.1-Flash-20260910 (Max)#291,621

In the news: DeepSeek V4.1 Flash

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