Kimi K2 5 Thinking vs Kimi K3
As of Oct 14, 2026, Kimi K2 5 Thinking leads Kimi K3 in 0 of 5 shared categories.
Kimi K2 5 Thinking
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 5 Thinking | Kimi K3 |
|---|---|---|
| General LLM | #56 · #56 in General LLM Margin 38.095238095238095 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #58 · #58 in Reasoning Margin 40.41095890410959 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 | #61 · #61 in Coding › Web dev Margin 56.074766355140184 LMArena leaderboard dataset · Oct 13, 2026 | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #57 · #57 in Long context Margin 38.775510204081634 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #58 · #58 in Factuality Margin 44.02985074626866 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 5 Thinking: price per 1M tokens is unset in the catalog.
Kimi K3: $4.185 per 1M blended tokens.
Kimi K2 5 Thinking: open weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in General LLM at #13 against #56.
Reasoning: As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Reasoning at #7 against #58.
Coding › Web dev: As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Coding › Web dev at #11 against #61.
Long context: As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Long context at #8 against #57.
Factuality: As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Factuality at #19 against #58.
Kimi K2 5 Thinking or Kimi K3?
As of Oct 14, 2026, Kimi K2 5 Thinking leads Kimi K3 in 0 of 5 shared categories.
Kimi K2 5 Thinking or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in General LLM at #13 against #56.
Kimi K2 5 Thinking or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Reasoning at #7 against #58.
Kimi K2 5 Thinking or Kimi K3 for Coding › Web dev?
As of Oct 14, 2026, Kimi K3 leads Kimi K2 5 Thinking in Coding › Web dev at #11 against #61.