Claude Fable 5.1 vs Hy3
As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Hy3
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | Claude Fable 5.1 | Hy3 |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in General LLM Margin 35.374149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Reasoning Margin 36.3013698630137 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding | #3 · Near-SOTA · Coding Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #3 · Near-SOTA · Coding › Agentic Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #5 · Near-SOTA · Coding › Web dev Margin 3.738317757009341 LMArena leaderboard dataset · Oct 13, 2026 | #47 · #47 in Coding › Web dev Margin 42.99065420560748 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #52 · #52 in Long context Margin 35.374149659863946 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #61 · #61 in Factuality Margin 46.26865671641791 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 1, 2026 | — |
Claude Fable 5.1: $20 per 1M blended tokens.
Hy3: $0.144375 per 1M blended tokens.
Claude Fable 5.1: closed weights.
Hy3: open weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in General LLM at #6 against #52.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Reasoning at #5 against #52.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Coding › Web dev at #5 against #47.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Long context at #6 against #52.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Factuality at #1 against #61.
Claude Fable 5.1 or Hy3?
As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1 or Hy3 for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in General LLM at #6 against #52.
Claude Fable 5.1 or Hy3 for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Reasoning at #5 against #52.
Claude Fable 5.1 or Hy3 for Coding › Web dev?
As of Oct 14, 2026, Claude Fable 5.1 leads Hy3 in Coding › Web dev at #5 against #47.