Claude Fable 5.1 vs Muse Spark 1.2
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in 6 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, and Factuality.
Claude Fable 5.1
Yes. SOTA in Factuality (tied).
Muse Spark 1.2
It used to be. Was SOTA in General LLM.
| Category | Claude Fable 5.1 | Muse Spark 1.2 |
|---|---|---|
| General LLM | #6 · Near-SOTA · General LLM Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · General LLM Margin 4.255319148936167 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Near-SOTA · Reasoning Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Reasoning Margin 6.38297872340425 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 3.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 | #42 · #42 in Coding › Web dev Margin 32.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Near-SOTA · Long context Margin 3.1914893617021107 LMArena leaderboard dataset · Oct 13, 2026 | #17 · Was SOTA · Long context Margin 9.042553191489361 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | #27 · #27 in Vision Margin 73.6842105263158 Epoch AI benchmarking hub · Aug 5, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #9 · Was SOTA · Factuality Margin 5.813953488372093 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.
Muse Spark 1.2: $2.0000000000000004 per 1M blended tokens.
Claude Fable 5.1: closed weights.
Muse Spark 1.2: closed weights.
General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in General LLM at #6 against #8.
Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Reasoning at #5 against #11.
Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Coding › Web dev at #5 against #42.
Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Long context at #6 against #17.
Vision: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Vision at #6 against #27.
Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Factuality at #1 against #9.
Claude Fable 5.1 · Muse Spark 1.2
Claude Fable 5.1 or Muse Spark 1.2?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in 6 of 6 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, and Factuality.
Claude Fable 5.1 or Muse Spark 1.2 for General LLM?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in General LLM at #6 against #8.
Claude Fable 5.1 or Muse Spark 1.2 for Reasoning?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Reasoning at #5 against #11.
Claude Fable 5.1 or Muse Spark 1.2 for Coding › Web dev?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Spark 1.2 in Coding › Web dev at #5 against #42.