GPT-5.1 vs Kimi K3
As of Oct 15, 2026, GPT-5.1 leads Kimi K3 in 0 of 7 shared categories.
GPT-5.1
#18 Best current rank: #18 in Math, as of Oct 15, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-5.1 | Kimi K3 |
|---|---|---|
| General LLM | #60 · #60 in General LLM Margin 31.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #62 · #62 in Reasoning Margin 33.51063829787235 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #18 · #18 in Math Margin 37.77777777777778 Epoch AI benchmarking hub · Nov 13, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #48 · #48 in Science Margin — Epoch AI benchmarking hub · Nov 13, 2025 | #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 | #82 · #82 in Coding › Web dev Margin 64.8 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · Coding › Web dev Margin 8.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #66 · #66 in Long context Margin 35.1063829787234 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 4.255319148936167 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 | #42 · #42 in Factuality Margin 25 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Factuality Margin 13.372093023255815 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #31 · #31 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 13, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-5.1: $3.4375000000000004 per 1M blended tokens.
Kimi K3: $4.109999999999999 per 1M blended tokens.
GPT-5.1: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in General LLM at #13 against #60.
Reasoning: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Reasoning at #7 against #62.
Science: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Science at #17 against #48.
Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Coding › Web dev at #12 against #82.
Long context: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Long context at #8 against #66.
Factuality: As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Factuality at #22 against #42.
Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Abstraction (ARC) at #8 against #31.
GPT-5.1 or Kimi K3?
As of Oct 15, 2026, GPT-5.1 leads Kimi K3 in 0 of 7 shared categories.
GPT-5.1 or Kimi K3 for General LLM?
As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in General LLM at #13 against #60.
GPT-5.1 or Kimi K3 for Reasoning?
As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Reasoning at #7 against #62.
GPT-5.1 or Kimi K3 for Science?
As of Oct 15, 2026, Kimi K3 leads GPT-5.1 in Science at #17 against #48.