Claude Opus 4.7 vs Kimi K3
As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in 5 of 8 shared categories: General LLM, Reasoning, Long context, Vision, and Factuality.
Claude Opus 4.7
Close. Near-SOTA in Reasoning, rank #4.
Kimi K3
Yes. Yes on General LLM (open weights); Reasoning (open weights). Not the overall leader.
| Category | Claude Opus 4.7 | Kimi K3 |
|---|---|---|
| General LLM | #5 · Near-SOTA · General LLM Margin 2.659574468085111 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in General LLM Margin 6.914893617021278 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #4 · Near-SOTA · Reasoning Margin 2.659574468085111 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in Reasoning Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #10 · #10 in Math Margin 20 Epoch AI benchmarking hub · Apr 16, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #34 · #34 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #17 · #17 in Science Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Scale Labs leaderboards · Oct 14, 2026 |
| Coding › Web dev | #34 · Was SOTA · Coding › Web dev Margin 26.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · Coding › Web dev Margin 8.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #4 · Near-SOTA · Long context Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · Long context Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #20 · Was SOTA · Vision Margin 55.26315789473684 Epoch AI benchmarking hub · Apr 16, 2026 | #22 · #22 in Vision Margin 60.526315789473685 Epoch AI benchmarking hub · Jul 16, 2026 |
| Factuality | #13 · #13 in Factuality Margin 8.139534883720927 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in Factuality Margin 13.372093023255815 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #11 · #11 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 16, 2026 |
Claude Opus 4.7: $10 per 1M blended tokens.
Kimi K3: $4.109999999999999 per 1M blended tokens.
Claude Opus 4.7: closed weights.
Kimi K3: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in General LLM at #5 against #13.
Reasoning: As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in Reasoning at #4 against #7.
Science: As of Oct 15, 2026, Kimi K3 leads Claude Opus 4.7 in Science at #17 against #34.
Coding › Web dev: As of Oct 15, 2026, Kimi K3 leads Claude Opus 4.7 in Coding › Web dev at #12 against #34.
Long context: As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in Long context at #4 against #8.
Vision: As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in Vision at #20 against #22.
Factuality: As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in Factuality at #13 against #22.
Abstraction (ARC): As of Oct 15, 2026, Kimi K3 leads Claude Opus 4.7 in Abstraction (ARC) at #8 against #11.
Claude Opus 4.7 or Kimi K3?
As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in 5 of 8 shared categories: General LLM, Reasoning, Long context, Vision, and Factuality.
Claude Opus 4.7 or Kimi K3 for General LLM?
As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in General LLM at #5 against #13.
Claude Opus 4.7 or Kimi K3 for Reasoning?
As of Oct 15, 2026, Claude Opus 4.7 leads Kimi K3 in Reasoning at #4 against #7.
Claude Opus 4.7 or Kimi K3 for Science?
As of Oct 15, 2026, Kimi K3 leads Claude Opus 4.7 in Science at #17 against #34.