Kimi K3 vs O1 Preview
As of Oct 15, 2026, Kimi K3 leads O1 Preview 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 Preview
It used to be. Was SOTA in General LLM.
| Category | Kimi K3 | O1 Preview |
|---|---|---|
| General LLM | #13 · #13 in General LLM Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 | #166 · Was SOTA · General LLM Margin 88.29787234042553 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #7 · #7 in Reasoning Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 | #177 · Was SOTA · Reasoning Margin 94.68085106382979 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 | #125 · #125 in Science Margin — Epoch AI benchmarking hub · Sep 12, 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 | #12 · Was SOTA · Coding › Web dev Margin 8.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #8 · Was SOTA · Long context Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 | #176 · Was SOTA · Long context Margin 93.61702127659575 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 | — |
| Factuality | #22 · #22 in Factuality Margin 13.372093023255815 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 | #73 · #73 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 12, 2024 |
Kimi K3: $4.0875 per 1M blended tokens.
O1 Preview: price per 1M tokens is unset in the catalog.
Kimi K3: open weights.
O1 Preview: closed weights.
General LLM: As of Oct 15, 2026, Kimi K3 leads O1 Preview in General LLM at #13 against #166.
Reasoning: As of Oct 15, 2026, Kimi K3 leads O1 Preview in Reasoning at #7 against #177.
Science: As of Oct 15, 2026, Kimi K3 leads O1 Preview in Science at #17 against #125.
Long context: As of Oct 15, 2026, Kimi K3 leads O1 Preview in Long context at #8 against #176.
Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads O1 Preview in Abstraction (ARC) at #8 against #73.
Kimi K3 or O1 Preview?
As of Oct 15, 2026, Kimi K3 leads O1 Preview in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Kimi K3 or O1 Preview for General LLM?
As of Oct 15, 2026, Kimi K3 leads O1 Preview in General LLM at #13 against #166.
Kimi K3 or O1 Preview for Reasoning?
As of Oct 15, 2026, Kimi K3 leads O1 Preview in Reasoning at #7 against #177.
Kimi K3 or O1 Preview for Science?
As of Oct 15, 2026, Kimi K3 leads O1 Preview in Science at #17 against #125.