Claude Fable 5 vs Muse Spark
As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in 4 of 6 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5
Close. Near-SOTA in General LLM, rank #3.
Muse Spark
It used to be. Was SOTA in General LLM.
| Category | Claude Fable 5 | Muse Spark |
|---|---|---|
| General LLM | #3 · Near-SOTA · General LLM Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 6.38297872340425 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #3 · Near-SOTA · Reasoning Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #17 · Was SOTA · Reasoning Margin 9.574468085106389 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #7 · Was SOTA · Math Margin 13.333333333333329 Epoch AI benchmarking hub · Apr 8, 2026 |
| Science | #56 · #56 in Science Margin — Epoch AI benchmarking hub · Jun 9, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 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 | #12 · #12 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #3 · Near-SOTA · Long context Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #44 · #44 in Long context Margin 23.40425531914893 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 | #27 · #27 in Factuality Margin 16.279069767441854 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.
Muse Spark: price per 1M tokens is unset in the catalog.
Claude Fable 5: closed weights.
Muse Spark: closed weights.
General LLM: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in General LLM at #3 against #12.
Reasoning: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Reasoning at #3 against #17.
Science: As of Oct 15, 2026, Muse Spark leads Claude Fable 5 in Science at #37 against #56.
Coding › Web dev: As of Oct 15, 2026, Muse Spark leads Claude Fable 5 in Coding › Web dev at #12 against #19.
Long context: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Long context at #3 against #44.
Factuality: As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Factuality at #7 against #27.
Claude Fable 5 or Muse Spark?
As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in 4 of 6 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Fable 5 or Muse Spark for General LLM?
As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in General LLM at #3 against #12.
Claude Fable 5 or Muse Spark for Reasoning?
As of Oct 15, 2026, Claude Fable 5 leads Muse Spark in Reasoning at #3 against #17.
Claude Fable 5 or Muse Spark for Science?
As of Oct 15, 2026, Muse Spark leads Claude Fable 5 in Science at #37 against #56.