Claude Sonnet 5.5 vs Hy3
As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Sonnet 5.5
Yes. SOTA in co-SOTA in Coding, co-SOTA in Coding › Agentic and co-SOTA in Vision.
Hy3
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | Claude Sonnet 5.5 | Hy3 |
|---|---|---|
| General LLM | #27 · #27 in General LLM Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in General LLM Margin 35.374149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #18 · #18 in Reasoning Margin 13.013698630136986 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Reasoning Margin 36.3013698630137 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #4 · #4 in Math Margin 6.666666666666671 Epoch AI benchmarking hub · Sep 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #3 · #3 in Science Margin — Epoch AI benchmarking hub · Sep 28, 2026 | — |
| Coding | #1 · Co-SOTA · Coding Margin 0 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 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 | #47 · #47 in Coding › Web dev Margin 42.99065420560748 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #11 · #11 in Long context Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Long context Margin 35.374149659863946 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 | #61 · #61 in Factuality Margin 46.26865671641791 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Sonnet 5.5: $4.000000000000001 per 1M blended tokens.
Hy3: $0.144375 per 1M blended tokens.
Claude Sonnet 5.5: closed weights.
Hy3: open weights.
General LLM: As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in General LLM at #27 against #52.
Reasoning: As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Reasoning at #18 against #52.
Coding › Web dev: As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Coding › Web dev at #3 against #47.
Long context: As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Long context at #11 against #52.
Factuality: As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Factuality at #16 against #61.
Claude Sonnet 5.5 or Hy3?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Sonnet 5.5 or Hy3 for General LLM?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in General LLM at #27 against #52.
Claude Sonnet 5.5 or Hy3 for Reasoning?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Reasoning at #18 against #52.
Claude Sonnet 5.5 or Hy3 for Coding › Web dev?
As of Oct 14, 2026, Claude Sonnet 5.5 leads Hy3 in Coding › Web dev at #3 against #47.