GPT-5 Mini vs Kimi K3
As of Oct 14, 2026, GPT-5 Mini leads Kimi K3 in 0 of 6 shared categories.
GPT-5 Mini
It used to be. Was SOTA in Math.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-5 Mini | Kimi K3 |
|---|---|---|
| General LLM | #128 · #128 in General LLM Margin 87.07482993197279 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #130 · #130 in Reasoning Margin 89.72602739726028 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #21 · Was SOTA · Math Margin 44.44444444444444 Epoch AI benchmarking hub · Aug 7, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #81 · #81 in Science Margin — Epoch AI benchmarking hub · Aug 7, 2025 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 7, 2025 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | — | #11 · Was SOTA · Coding › Web dev Margin 9.34579439252336 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #146 · #146 in Long context Margin 99.31972789115646 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 | #110 · #110 in Factuality Margin 82.83582089552239 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #41 · #41 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Aug 7, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
GPT-5 Mini: $0.6875 per 1M blended tokens.
Kimi K3: $4.125 per 1M blended tokens.
GPT-5 Mini: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in General LLM at #13 against #128.
Reasoning: As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Reasoning at #7 against #130.
Science: As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Science at #17 against #81.
Long context: As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Long context at #8 against #146.
Factuality: As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Factuality at #19 against #110.
Abstraction (ARC): As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Abstraction (ARC) at #8 against #41.
GPT-5 Mini or Kimi K3?
As of Oct 14, 2026, GPT-5 Mini leads Kimi K3 in 0 of 6 shared categories.
GPT-5 Mini or Kimi K3 for General LLM?
As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in General LLM at #13 against #128.
GPT-5 Mini or Kimi K3 for Reasoning?
As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Reasoning at #7 against #130.
GPT-5 Mini or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads GPT-5 Mini in Science at #17 against #81.