GPT-4.1 vs Kimi K3
As of Oct 15, 2026, GPT-4.1 leads Kimi K3 in 0 of 6 shared categories.
GPT-4.1
It used to be. Was SOTA in Long context.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-4.1 | Kimi K3 |
|---|---|---|
| General LLM | #130 · #130 in General LLM Margin 69.14893617021276 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #132 · #132 in Reasoning Margin 70.74468085106383 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #39 · #39 in Math Margin 86.66666666666667 Epoch AI benchmarking hub · Apr 14, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #96 · #96 in Science Margin — Epoch AI benchmarking hub · Apr 14, 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 | — | #12 · Was SOTA · Coding › Web dev Margin 8.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #124 · Was SOTA · Long context Margin 65.95744680851064 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 | #136 · #136 in Factuality Margin 79.65116279069767 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Factuality Margin 13.372093023255815 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #85 · #85 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 14, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-4.1: $3.5 per 1M blended tokens.
Kimi K3: $4.109999999999999 per 1M blended tokens.
GPT-4.1: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in General LLM at #13 against #130.
Reasoning: As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Reasoning at #7 against #132.
Science: As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Science at #17 against #96.
Long context: As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Long context at #8 against #124.
Factuality: As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Factuality at #22 against #136.
Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Abstraction (ARC) at #8 against #85.
GPT-4.1 or Kimi K3?
As of Oct 15, 2026, GPT-4.1 leads Kimi K3 in 0 of 6 shared categories.
GPT-4.1 or Kimi K3 for General LLM?
As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in General LLM at #13 against #130.
GPT-4.1 or Kimi K3 for Reasoning?
As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Reasoning at #7 against #132.
GPT-4.1 or Kimi K3 for Science?
As of Oct 15, 2026, Kimi K3 leads GPT-4.1 in Science at #17 against #96.