Claude Fable 5 vs O1
As of Oct 14, 2026, Claude Fable 5 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
| Category | Claude Fable 5 | O1 |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 2.040816326530617 LMArena leaderboard dataset · Oct 13, 2026 | #112 · Was SOTA · General LLM Margin 76.19047619047619 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.7397260273972535 LMArena leaderboard dataset · Oct 13, 2026 | #117 · Was SOTA · Reasoning Margin 80.82191780821918 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #34 · #34 in Math Margin 75.55555555555556 Epoch AI benchmarking hub · Dec 17, 2024 |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #77 · #77 in Science Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Coding | #6 · #6 in Coding Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #6 · #6 in Coding › Agentic Margin 31.818181818181813 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #17 · Was SOTA · Coding › Web dev Margin 14.953271028037378 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #3 · Near-SOTA · Long context Margin 2.040816326530603 LMArena leaderboard dataset · Oct 13, 2026 | #108 · Was SOTA · Long context Margin 73.46938775510205 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #5 · Was SOTA · Vision Margin 15.78947368421052 Epoch AI benchmarking hub · Jun 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #7 · Was SOTA · Factuality Margin 5.97014925373135 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #57 · #57 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Dec 17, 2024 |
Claude Fable 5: $20 per 1M blended tokens.
O1: $26.25 per 1M blended tokens.
Claude Fable 5: closed weights.
O1: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5 leads O1 in General LLM at #3 against #112.
Reasoning: As of Oct 14, 2026, Claude Fable 5 leads O1 in Reasoning at #3 against #117.
Science: As of Oct 14, 2026, Claude Fable 5 leads O1 in Science at #56 against #77.
Long context: As of Oct 14, 2026, Claude Fable 5 leads O1 in Long context at #3 against #108.
Abstraction (ARC): As of Oct 14, 2026, Claude Fable 5 leads O1 in Abstraction (ARC) at #1 against #57.
Claude Fable 5 or O1?
As of Oct 14, 2026, Claude Fable 5 leads O1 in 5 of 5 shared categories: General LLM, Reasoning, Science, Long context, and Abstraction (ARC).
Claude Fable 5 or O1 for General LLM?
As of Oct 14, 2026, Claude Fable 5 leads O1 in General LLM at #3 against #112.
Claude Fable 5 or O1 for Reasoning?
As of Oct 14, 2026, Claude Fable 5 leads O1 in Reasoning at #3 against #117.
Claude Fable 5 or O1 for Science?
As of Oct 14, 2026, Claude Fable 5 leads O1 in Science at #56 against #77.