Claude 3 Opus vs Kimi K3
As of Oct 14, 2026, Claude 3 Opus leads Kimi K3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#9 Best recorded rank: #9 in General LLM, as of Oct 14, 2026.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Claude 3 Opus | Kimi K3 |
|---|---|---|
| General LLM | #9 · #9 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #13 · #13 in General LLM Margin 8.84353741496598 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #7 · #7 in Reasoning Margin 5.479452054794521 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | — | #— · 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 | — | #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 · Feb 29, 2024 | #19 · #19 in Factuality Margin 14.925373134328368 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Kimi K3: $4.185 per 1M blended tokens.
Claude 3 Opus: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 14, 2026, Claude 3 Opus leads Kimi K3 in General LLM at #9 against #13.
Science: As of Oct 14, 2026, Kimi K3 leads Claude 3 Opus in Science at #17 against #138.
Claude 3 Opus or Kimi K3?
As of Oct 14, 2026, Claude 3 Opus leads Kimi K3 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Kimi K3 for General LLM?
As of Oct 14, 2026, Claude 3 Opus leads Kimi K3 in General LLM at #9 against #13.
Claude 3 Opus or Kimi K3 for Science?
As of Oct 14, 2026, Kimi K3 leads Claude 3 Opus in Science at #17 against #138.