Claude Opus 4.8 vs Muse Glimmer
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Muse Glimmer
#82 Best current rank: #82 in Reasoning, as of Oct 14, 2026.
| Category | Claude Opus 4.8 | Muse Glimmer |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #86 · #86 in General LLM Margin 58.50340136054422 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #82 · #82 in Reasoning Margin 56.84931506849315 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
| Coding | #12 · #12 in Coding Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #12 · #12 in Coding › Agentic Margin 59.09090909090909 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #33 · Was SOTA · Coding › Web dev Margin 29.90654205607477 LMArena leaderboard dataset · Oct 13, 2026 | #86 · #86 in Coding › Web dev Margin 79.43925233644859 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #97 · #97 in Long context Margin 65.98639455782313 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | — |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #107 · #107 in Factuality Margin 80.59701492537313 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #12 · #12 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2026 | — |
Claude Opus 4.8: $10 per 1M blended tokens.
Muse Glimmer: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: closed weights.
Muse Glimmer: open weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in General LLM at #20 against #86.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Reasoning at #10 against #82.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Coding › Web dev at #33 against #86.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Long context at #10 against #97.
Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Factuality at #21 against #107.
Claude Opus 4.8 · Muse Glimmer
Claude Opus 4.8 or Muse Glimmer?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.8 or Muse Glimmer for General LLM?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in General LLM at #20 against #86.
Claude Opus 4.8 or Muse Glimmer for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Reasoning at #10 against #82.
Claude Opus 4.8 or Muse Glimmer for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Glimmer in Coding › Web dev at #33 against #86.