Claude Opus 4.6 vs Kimi K2 6
As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Kimi K2 6
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 4.6 | Kimi K2 6 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #51 · #51 in General LLM Margin 27.127659574468083 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #48 · #48 in Reasoning Margin 26.06382978723404 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #29 · #29 in Science Margin — Epoch AI benchmarking hub · Apr 20, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | #49 · #49 in Coding › Web dev Margin 38.4 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 LMArena leaderboard dataset · Oct 13, 2026 | #43 · #43 in Long context Margin 22.872340425531917 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #30 · #30 in Vision Margin 89.47368421052632 Epoch AI benchmarking hub · Apr 20, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #46 · #46 in Factuality Margin 27.325581395348834 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Kimi K2 6: $1.3399999999999999 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Kimi K2 6: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in General LLM at #4 against #51.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in Reasoning at #2 against #48.
Science: As of Oct 15, 2026, Kimi K2 6 leads Claude Opus 4.6 in Science at #29 against #32.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in Coding › Web dev at #37 against #49.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in Long context at #2 against #43.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in Factuality at #3 against #46.
Claude Opus 4.6 or Kimi K2 6?
As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in 5 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Kimi K2 6 for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in General LLM at #4 against #51.
Claude Opus 4.6 or Kimi K2 6 for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads Kimi K2 6 in Reasoning at #2 against #48.
Claude Opus 4.6 or Kimi K2 6 for Science?
As of Oct 15, 2026, Kimi K2 6 leads Claude Opus 4.6 in Science at #29 against #32.