Compare · 2026-10-14

DeepSeek V4.1 Flash vs Gemini 3.1 Pro Preview

As of Oct 14, 2026, DeepSeek V4.1 Flash leads Gemini 3.1 Pro Preview in 2 of 8 shared categories: Coding › Web dev and Vision.

CategoryDeepSeek V4.1 FlashGemini 3.1 Pro Preview
General LLM
#29 · #29 in General LLM
Margin 19.72789115646259
LMArena leaderboard dataset · Oct 13, 2026
#15 · Was SOTA · General LLM
Margin 10.204081632653057
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#27 · #27 in Reasoning
Margin 19.178082191780817
LMArena leaderboard dataset · Oct 13, 2026
#14 · Was SOTA · Reasoning
Margin 10.273972602739732
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#3 · Near-SOTA · Math
Margin 4.444444444444443
Epoch AI benchmarking hub · Feb 19, 2026
Science
#36 · #36 in Science
Margin —
Epoch AI benchmarking hub · Sep 9, 2026
#7 · #7 in Science
Margin —
Epoch AI benchmarking hub · Feb 19, 2026
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Web dev
#19 · #19 in Coding › Web dev
Margin 16.822429906542055
LMArena leaderboard dataset · Oct 13, 2026
#58 · #58 in Coding › Web dev
Margin 53.271028037383175
LMArena leaderboard dataset · Oct 13, 2026
Long context
#32 · #32 in Long context
Margin 21.768707482993193
LMArena leaderboard dataset · Oct 13, 2026
#12 · Was SOTA · Long context
Margin 8.163265306122454
LMArena leaderboard dataset · Oct 13, 2026
Vision
#21 · #21 in Vision
Margin 57.89473684210526
Epoch AI benchmarking hub · Sep 9, 2026
#25 · Was SOTA · Vision
Margin 68.42105263157896
Epoch AI benchmarking hub · Feb 19, 2026
Factuality
#22 · #22 in Factuality
Margin 17.164179104477626
LMArena leaderboard dataset · Oct 13, 2026
#18 · #18 in Factuality
Margin 14.179104477611943
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#8 · #8 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 9, 2026
#2 · #2 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Feb 19, 2026
Price per 1M tokens

DeepSeek V4.1 Flash: $0.16319999999999998 per 1M blended tokens.

Gemini 3.1 Pro Preview: $4.5 per 1M blended tokens.

Open weights

DeepSeek V4.1 Flash: open weights.

Gemini 3.1 Pro Preview: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in General LLM at #15 against #29.

Reasoning: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Reasoning at #14 against #27.

Science: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Science at #7 against #36.

Coding › Web dev: As of Oct 14, 2026, DeepSeek V4.1 Flash leads Gemini 3.1 Pro Preview in Coding › Web dev at #19 against #58.

Long context: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Long context at #12 against #32.

Vision: As of Oct 14, 2026, DeepSeek V4.1 Flash leads Gemini 3.1 Pro Preview in Vision at #21 against #25.

Factuality: As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Factuality at #18 against #22.

Abstraction (ARC): As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Abstraction (ARC) at #2 against #8.

DeepSeek V4.1 Flash · Gemini 3.1 Pro Preview

DeepSeek V4.1 Flash or Gemini 3.1 Pro Preview?

As of Oct 14, 2026, DeepSeek V4.1 Flash leads Gemini 3.1 Pro Preview in 2 of 8 shared categories: Coding › Web dev and Vision.

DeepSeek V4.1 Flash or Gemini 3.1 Pro Preview for General LLM?

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in General LLM at #15 against #29.

DeepSeek V4.1 Flash or Gemini 3.1 Pro Preview for Reasoning?

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Reasoning at #14 against #27.

DeepSeek V4.1 Flash or Gemini 3.1 Pro Preview for Science?

As of Oct 14, 2026, Gemini 3.1 Pro Preview leads DeepSeek V4.1 Flash in Science at #7 against #36.