Compare · 2026-10-14
GPT-4O vs Kimi K3
As of Oct 14, 2026, GPT-4O leads Kimi K3 in 0 of 2 shared categories.
O
GPT-4O
It used to be. Was SOTA in General LLM.
K
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | GPT-4O | Kimi K3 |
|---|---|---|
| General LLM | #— · Was SOTA · General LLM Margin — LMArena leaderboard dataset · Feb 21, 2025 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Feb 6, 2025 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #45 · #45 in Math Margin 100 Epoch AI benchmarking hub · Nov 20, 2024 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #131 · #131 in Science Margin — Epoch AI benchmarking hub · Nov 20, 2024 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Feb 17, 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 | #— · Not enough data Margin — LMArena leaderboard dataset · Jan 22, 2025 | #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 | #— · Not enough data Margin — Epoch AI benchmarking hub · Aug 6, 2024 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #87 · #87 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Nov 20, 2024 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Price per 1M tokens
GPT-4O: $4.375000000000001 per 1M blended tokens.
Kimi K3: $4.125 per 1M blended tokens.
Open weights
GPT-4O: closed weights.
Kimi K3: open weights.
Which to pick
Science: As of Oct 14, 2026, Kimi K3 leads GPT-4O in Science at #17 against #131.
Abstraction (ARC): As of Oct 14, 2026, Kimi K3 leads GPT-4O in Abstraction (ARC) at #8 against #87.
GPT-4O or Kimi K3?
As of Oct 14, 2026, GPT-4O leads Kimi K3 in 0 of 2 shared categories.
GPT-4O or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads GPT-4O in Science at #17 against #131.
GPT-4O or Kimi K3 for Abstraction (ARC)?
As of Oct 14, 2026, Kimi K3 leads GPT-4O in Abstraction (ARC) at #8 against #87.