Kimi K3 vs O1
As of Oct 14, 2026, Kimi K3 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
O1
It used to be. Was SOTA in General LLM.
| Category | Kimi K3 | O1 |
|---|---|---|
| General LLM | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 | #112 · Was SOTA · General LLM Margin 76.19047619047619 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 | #117 · Was SOTA · Reasoning Margin 80.82191780821918 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Math Margin 75.55555555555556 Epoch AI benchmarking hub · Dec 17, 2024 |
| Science | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #77 · #77 in Science Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Coding | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #8 · Was SOTA · Long context Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 | #108 · Was SOTA · Long context Margin 73.46938775510205 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #57 · #57 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
Kimi K3: $4.125 per 1M blended tokens.
O1: $26.25 per 1M blended tokens.
Kimi K3: open weights.
O1: closed weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads O1 in General LLM at #13 against #112.
Reasoning: As of Oct 14, 2026, Kimi K3 leads O1 in Reasoning at #7 against #117.
Science: As of Oct 14, 2026, Kimi K3 leads O1 in Science at #17 against #77.
Long context: As of Oct 14, 2026, Kimi K3 leads O1 in Long context at #8 against #108.
Abstraction (ARC): As of Oct 14, 2026, Kimi K3 leads O1 in Abstraction (ARC) at #8 against #57.
Kimi K3 or O1?
As of Oct 14, 2026, Kimi K3 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Kimi K3 or O1 for General LLM?
As of Oct 14, 2026, Kimi K3 leads O1 in General LLM at #13 against #112.
Kimi K3 or O1 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads O1 in Reasoning at #7 against #117.
Kimi K3 or O1 for Science?
As of Oct 14, 2026, Kimi K3 leads O1 in Science at #17 against #77.