GPT-5.5 vs Hy3
As of Oct 14, 2026, GPT-5.5 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-5.5
It used to be. Was SOTA in General LLM.
Hy3
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | GPT-5.5 | Hy3 |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in General LLM Margin 35.374149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Reasoning Margin 36.3013698630137 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 | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 | — |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 | #47 · #47 in Coding › Web dev Margin 42.99065420560748 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Long context Margin 35.374149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | — |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #61 · #61 in Factuality Margin 46.26865671641791 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 | — |
GPT-5.5: $11.25 per 1M blended tokens.
Hy3: $0.144375 per 1M blended tokens.
GPT-5.5: closed weights.
Hy3: open weights.
General LLM: As of Oct 14, 2026, GPT-5.5 leads Hy3 in General LLM at #21 against #52.
Reasoning: As of Oct 14, 2026, GPT-5.5 leads Hy3 in Reasoning at #25 against #52.
Coding › Web dev: As of Oct 14, 2026, GPT-5.5 leads Hy3 in Coding › Web dev at #44 against #47.
Long context: As of Oct 14, 2026, GPT-5.5 leads Hy3 in Long context at #23 against #52.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Hy3 in Factuality at #5 against #61.
GPT-5.5 or Hy3?
As of Oct 14, 2026, GPT-5.5 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
GPT-5.5 or Hy3 for General LLM?
As of Oct 14, 2026, GPT-5.5 leads Hy3 in General LLM at #21 against #52.
GPT-5.5 or Hy3 for Reasoning?
As of Oct 14, 2026, GPT-5.5 leads Hy3 in Reasoning at #25 against #52.
GPT-5.5 or Hy3 for Coding › Web dev?
As of Oct 14, 2026, GPT-5.5 leads Hy3 in Coding › Web dev at #44 against #47.