Claude Sonnet 5.5 vs Kimi K2 7 Code
As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in 2 of 2 shared categories: Science and Coding › Web dev.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Kimi K2 7 Code
#46 Best recorded rank: #46 in Science, as of Oct 14, 2026.
| Category | Claude Sonnet 5.5 | Kimi K2 7 Code |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jun 12, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | — |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 | #46 · #46 in Science Margin — Epoch AI benchmarking hub · Jun 12, 2026 |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Agentic | #1 · Co-SOTA · Coding › Agentic Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #3 · Near-SOTA · Coding › Web dev Margin 1.8691588785046775 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Coding › Web dev Margin 47.66355140186916 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Vision | #1 · Co-SOTA · Vision Margin 0 Epoch AI benchmarking hub · Sep 28, 2026 | — |
| Factuality | #16 · #16 in Factuality Margin 12.68656716417911 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jun 12, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Kimi K2 7 Code: $1.3409000000000002 per 1M blended tokens.
Claude Sonnet 5.5: closed weights.
Kimi K2 7 Code: open weights.
Science: As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in Science at #3 against #46.
Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in Coding › Web dev at #3 against #52.
Claude Sonnet 5.5 · Kimi K2 7 Code
Claude Sonnet 5.5 or Kimi K2 7 Code?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in 2 of 2 shared categories: Science and Coding › Web dev.
Claude Sonnet 5.5 or Kimi K2 7 Code for Science?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in Science at #3 against #46.
Claude Sonnet 5.5 or Kimi K2 7 Code for Coding › Web dev?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Kimi K2 7 Code in Coding › Web dev at #3 against #52.