Compare · 2026-10-14

DeepSeek V3.1 vs Kimi K3

As of Oct 14, 2026, DeepSeek V3.1 leads Kimi K3 in 0 of 3 shared categories.

CategoryDeepSeek V3.1Kimi K3
General LLM
#95 · #95 in General LLM
Margin 64.62585034013605
LMArena leaderboard dataset · Oct 13, 2026
#13 · #13 in General LLM
Margin 8.84353741496598
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#103 · #103 in Reasoning
Margin 71.23287671232876
LMArena leaderboard dataset · Oct 13, 2026
#7 · #7 in Reasoning
Margin 5.479452054794521
LMArena leaderboard dataset · Oct 13, 2026
Math
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science—
#17 · #17 in Science
Margin —
Epoch AI benchmarking hub · Jul 16, 2026
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
Scale Labs leaderboards · Oct 14, 2026
Coding › Web dev—
#11 · Was SOTA · Coding › Web dev
Margin 9.34579439252336
LMArena leaderboard dataset · Oct 13, 2026
Long context
#99 · #99 in Long context
Margin 67.34693877551021
LMArena leaderboard dataset · Oct 13, 2026
#8 · Was SOTA · Long context
Margin 5.442176870748298
LMArena leaderboard dataset · Oct 13, 2026
Vision—
#22 · #22 in Vision
Margin 60.526315789473685
Epoch AI benchmarking hub · Jul 16, 2026
Factuality—
#19 · #19 in Factuality
Margin 14.925373134328368
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)—
#8 · #8 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jul 16, 2026
Price per 1M tokens

DeepSeek V3.1: price per 1M tokens is unset in the catalog.

Kimi K3: $4.125 per 1M blended tokens.

Open weights

DeepSeek V3.1: open weights.

Kimi K3: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in General LLM at #13 against #95.

Reasoning: As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in Reasoning at #7 against #103.

Long context: As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in Long context at #8 against #99.

DeepSeek V3.1 · Kimi K3

DeepSeek V3.1 or Kimi K3?

As of Oct 14, 2026, DeepSeek V3.1 leads Kimi K3 in 0 of 3 shared categories.

DeepSeek V3.1 or Kimi K3 for General LLM?

As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in General LLM at #13 against #95.

DeepSeek V3.1 or Kimi K3 for Reasoning?

As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in Reasoning at #7 against #103.

DeepSeek V3.1 or Kimi K3 for Long context?

As of Oct 14, 2026, Kimi K3 leads DeepSeek V3.1 in Long context at #8 against #99.