Claude Opus 4.6 vs Kimi K2 5 Thinking
As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in 5 of 5 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 5 Thinking
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 4.6 | Kimi K2 5 Thinking |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #56 · #56 in General LLM Margin 38.095238095238095 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Reasoning Margin 40.41095890410959 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 | — |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #61 · #61 in Coding › Web dev Margin 56.074766355140184 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #57 · #57 in Long context Margin 38.775510204081634 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #58 · #58 in Factuality Margin 44.02985074626866 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Kimi K2 5 Thinking: price per 1M tokens is unset in the catalog.
Claude Opus 4.6: closed weights.
Kimi K2 5 Thinking: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in General LLM at #4 against #56.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Reasoning at #2 against #58.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Coding › Web dev at #35 against #61.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Long context at #2 against #57.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Factuality at #3 against #58.
Claude Opus 4.6 · Kimi K2 5 Thinking
Claude Opus 4.6 or Kimi K2 5 Thinking?
As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Kimi K2 5 Thinking for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in General LLM at #4 against #56.
Claude Opus 4.6 or Kimi K2 5 Thinking for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Reasoning at #2 against #58.
Claude Opus 4.6 or Kimi K2 5 Thinking for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 4.6 leads Kimi K2 5 Thinking in Coding › Web dev at #35 against #61.