Kimi K2 6 vs Kimi K3
As of Oct 14, 2026, Kimi K2 6 leads Kimi K3 in 0 of 7 shared categories.
Kimi K2 6
It used to be. Was SOTA in Coding › Web dev.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Kimi K2 6 | Kimi K3 |
|---|---|---|
| General LLM | #40 · #40 in General LLM Margin 27.21088435374149 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #38 · #38 in Reasoning Margin 26.71232876712328 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 | #29 · #29 in Science Margin — Epoch AI benchmarking hub · Apr 20, 2026 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 20, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | #45 · #45 in Coding › Web dev Margin 41.12149532710281 LMArena leaderboard dataset · Oct 13, 2026 | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #37 · #37 in Long context Margin 25.17006802721089 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #30 · #30 in Vision Margin 89.47368421052632 Epoch AI benchmarking hub · Apr 20, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #40 · #40 in Factuality Margin 30.59701492537313 LMArena leaderboard dataset · Oct 13, 2026 | #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 |
Kimi K2 6: $1.3399999999999999 per 1M blended tokens.
Kimi K3: $4.125 per 1M blended tokens.
Kimi K2 6: open weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in General LLM at #13 against #40.
Reasoning: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Reasoning at #7 against #38.
Science: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Science at #17 against #29.
Coding › Web dev: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Coding › Web dev at #11 against #45.
Long context: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Long context at #8 against #37.
Vision: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Vision at #22 against #30.
Factuality: As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Factuality at #19 against #40.
Kimi K2 6 or Kimi K3?
As of Oct 14, 2026, Kimi K2 6 leads Kimi K3 in 0 of 7 shared categories.
Kimi K2 6 or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in General LLM at #13 against #40.
Kimi K2 6 or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Reasoning at #7 against #38.
Kimi K2 6 or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 6 in Science at #17 against #29.