Claude Opus 5 vs Kimi K2 Thinking Turbo
As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
Kimi K2 Thinking Turbo
It used to be. Was SOTA in Coding › Web dev.
| Category | Claude Opus 5 | Kimi K2 Thinking Turbo |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in General LLM Margin 55.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 5.319148936170208 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Reasoning Margin 53.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | #60 · #60 in Science Margin — Epoch AI benchmarking hub · Nov 6, 2025 |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Near-SOTA · Coding › Web dev Margin 4 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Coding › Web dev Margin 83.2 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #9 · Was SOTA · Long context Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #112 · #112 in Long context Margin 59.57446808510638 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | — |
| Factuality | #4 · Near-SOTA · Factuality Margin 2.9069767441860535 LMArena leaderboard dataset · Oct 13, 2026 | #115 · #115 in Factuality Margin 67.44186046511628 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
Claude Opus 5: $10 per 1M blended tokens.
Kimi K2 Thinking Turbo: price per 1M tokens is unset in the catalog.
Claude Opus 5: closed weights.
Kimi K2 Thinking Turbo: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in General LLM at #11 against #105.
Reasoning: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Reasoning at #9 against #99.
Science: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Science at #12 against #60.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Coding › Web dev at #6 against #105.
Long context: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Long context at #9 against #112.
Factuality: As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Factuality at #4 against #115.
Claude Opus 5 · Kimi K2 Thinking Turbo
Claude Opus 5 or Kimi K2 Thinking Turbo?
As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Claude Opus 5 or Kimi K2 Thinking Turbo for General LLM?
As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in General LLM at #11 against #105.
Claude Opus 5 or Kimi K2 Thinking Turbo for Reasoning?
As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Reasoning at #9 against #99.
Claude Opus 5 or Kimi K2 Thinking Turbo for Science?
As of Oct 15, 2026, Claude Opus 5 leads Kimi K2 Thinking Turbo in Science at #12 against #60.