Claude Fable 5.1 vs Muse Spark 1.3
As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in 8 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, and Factuality.
Claude Fable 5.1
Yes. SOTA in co-SOTA in Factuality.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
| Category | Claude Fable 5.1 | Muse Spark 1.3 |
|---|---|---|
| General LLM | #6 · Was SOTA · General LLM Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Was SOTA · Reasoning Margin 4.109589041095887 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Reasoning Margin 6.164383561643831 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 | #18 · #18 in Coding Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #3 · Near-SOTA · Coding › Agentic Margin 18.181818181818187 Terminal-Bench Harbor Hub · Oct 6, 2026 | #18 · #18 in Coding › Agentic Margin 86.36363636363636 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 | #10 · #10 in Coding › Web dev Margin 8.411214953271028 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Was SOTA · Long context Margin 4.08163265306122 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Long context Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | #8 · #8 in Vision Margin 23.684210526315795 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Factuality Margin 8.955223880597018 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 1.3: $2.0000000000000004 per 1M blended tokens.
Claude Fable 5.1: closed weights.
Muse Spark 1.3: closed weights.
General LLM: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in General LLM at #6 against #9.
Reasoning: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Reasoning at #5 against #8.
Coding: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Coding at #3 against #18.
Coding › Agentic: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Coding › Agentic at #3 against #18.
Coding › Web dev: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Coding › Web dev at #5 against #10.
Long context: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Long context at #6 against #15.
Vision: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Vision at #6 against #8.
Factuality: As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Factuality at #1 against #11.
Claude Fable 5.1 · Muse Spark 1.3
Claude Fable 5.1 or Muse Spark 1.3?
As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in 8 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, Long context, Vision, and Factuality.
Claude Fable 5.1 or Muse Spark 1.3 for General LLM?
As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in General LLM at #6 against #9.
Claude Fable 5.1 or Muse Spark 1.3 for Reasoning?
As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Reasoning at #5 against #8.
Claude Fable 5.1 or Muse Spark 1.3 for Coding?
As of Oct 14, 2026, Claude Fable 5.1 leads Muse Spark 1.3 in Coding at #3 against #18.