Claude Fable 5.1 vs Muse Glimmer
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1
Yes. SOTA in Factuality (tied).
Muse Glimmer
#97 Best current rank: #97 in Coding › Web dev, as of Oct 15, 2026.
| Category | Claude Fable 5.1 | Muse Glimmer |
|---|---|---|
| General LLM | #6 · Near-SOTA · General LLM Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #113 · #113 in General LLM Margin 60.1063829787234 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #5 · Near-SOTA · Reasoning Margin 3.191489361702125 LMArena leaderboard dataset · Oct 13, 2026 | #107 · #107 in Reasoning Margin 57.4468085106383 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #2 · Near-SOTA · Math Margin 2.2222222222222285 Epoch AI benchmarking hub · Sep 1, 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 | #97 · #97 in Coding › Web dev Margin 76.8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #6 · Near-SOTA · Long context Margin 3.1914893617021107 LMArena leaderboard dataset · Oct 13, 2026 | #128 · #128 in Long context Margin 68.08510638297872 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #6 · #6 in Vision Margin 18.421052631578945 Epoch AI benchmarking hub · Sep 1, 2026 | — |
| Factuality | #1 · Co-SOTA · Factuality Margin 0 LMArena leaderboard dataset · Oct 13, 2026 | #142 · #142 in Factuality Margin 83.13953488372093 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 Glimmer: price per 1M tokens is unset in the catalog.
Claude Fable 5.1: closed weights.
Muse Glimmer: open weights.
General LLM: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in General LLM at #6 against #113.
Reasoning: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Reasoning at #5 against #107.
Coding › Web dev: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Coding › Web dev at #5 against #97.
Long context: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Long context at #6 against #128.
Factuality: As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Factuality at #1 against #142.
Claude Fable 5.1 · Muse Glimmer
Claude Fable 5.1 or Muse Glimmer?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Fable 5.1 or Muse Glimmer for General LLM?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in General LLM at #6 against #113.
Claude Fable 5.1 or Muse Glimmer for Reasoning?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Reasoning at #5 against #107.
Claude Fable 5.1 or Muse Glimmer for Coding › Web dev?
As of Oct 15, 2026, Claude Fable 5.1 leads Muse Glimmer in Coding › Web dev at #5 against #97.