Claude Fable 5 vs Claude Opus 4.6
As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.6 in 2 of 6 shared categories: General LLM and Coding › Web dev.
Claude Fable 5
Close. Near-SOTA in General LLM, rank #3.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
| Category | Claude Fable 5 | Claude Opus 4.6 |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 5, 2026 |
| 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 | #19 · Was SOTA · Coding › Web dev Margin 14.400000000000006 LMArena leaderboard dataset · Oct 13, 2026 | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #3 · Near-SOTA · Long context Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #2 · Near-SOTA · Long context Margin 0.5319148936170421 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 4.6511627906976685 LMArena leaderboard dataset · Oct 13, 2026 | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jun 9, 2026 | — |
Claude Fable 5: $20 per 1M blended tokens.
Claude Opus 4.6: $10 per 1M blended tokens.
Claude Fable 5: closed weights.
Claude Opus 4.6: closed weights.
General LLM: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.6 in General LLM at #3 against #4.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Reasoning at #2 against #3.
Science: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Science at #32 against #56.
Coding › Web dev: As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.6 in Coding › Web dev at #19 against #37.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Long context at #2 against #3.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Factuality at #3 against #7.
Claude Fable 5 · Claude Opus 4.6
Claude Fable 5 or Claude Opus 4.6?
As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.6 in 2 of 6 shared categories: General LLM and Coding › Web dev.
Claude Fable 5 or Claude Opus 4.6 for General LLM?
As of Oct 15, 2026, Claude Fable 5 leads Claude Opus 4.6 in General LLM at #3 against #4.
Claude Fable 5 or Claude Opus 4.6 for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Reasoning at #2 against #3.
Claude Fable 5 or Claude Opus 4.6 for Science?
As of Oct 15, 2026, Claude Opus 4.6 leads Claude Fable 5 in Science at #32 against #56.