Claude Opus 4.8 vs Muse Spark
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in 4 of 6 shared categories: Reasoning, Science, Long context, and Factuality.
Claude Opus 4.8
It used to be. Was SOTA in Coding › Web dev.
Muse Spark
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.8 | Muse Spark |
|---|---|---|
| General LLM | #20 · #20 in General LLM Margin 13.605442176870753 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #10 · #10 in Reasoning Margin 7.534246575342465 LMArena leaderboard dataset · Oct 13, 2026 | #17 · Was SOTA · Reasoning Margin 12.328767123287676 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 | #27 · #27 in Science Margin — Epoch AI benchmarking hub · May 28, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 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 | #8 · #8 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #10 · Was SOTA · Long context Margin 6.802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Long context Margin 25.850340136054427 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #13 · #13 in Vision Margin 36.842105263157904 Epoch AI benchmarking hub · May 28, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #21 · #21 in Factuality Margin 16.417910447761187 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 17.910447761194035 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 Spark: price per 1M tokens is unset in the catalog.
Claude Opus 4.8: closed weights.
Muse Spark: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark leads Claude Opus 4.8 in General LLM at #12 against #20.
Reasoning: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Reasoning at #10 against #17.
Science: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Science at #27 against #37.
Coding › Web dev: As of Oct 14, 2026, Muse Spark leads Claude Opus 4.8 in Coding › Web dev at #8 against #33.
Long context: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Long context at #10 against #38.
Factuality: As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Factuality at #21 against #23.
Claude Opus 4.8 or Muse Spark?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in 4 of 6 shared categories: Reasoning, Science, Long context, and Factuality.
Claude Opus 4.8 or Muse Spark for General LLM?
As of Oct 14, 2026, Muse Spark leads Claude Opus 4.8 in General LLM at #12 against #20.
Claude Opus 4.8 or Muse Spark for Reasoning?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Reasoning at #10 against #17.
Claude Opus 4.8 or Muse Spark for Science?
As of Oct 14, 2026, Claude Opus 4.8 leads Muse Spark in Science at #27 against #37.