Claude Opus 5 vs Muse Spark 1.1
As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in 5 of 6 shared categories: Reasoning, Coding › Web dev, Long context, Vision, and Factuality.
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
Muse Spark 1.1
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 5 | Muse Spark 1.1 |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 7.482993197278915 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · General LLM Margin 6.802721088435376 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 6.849315068493155 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Reasoning Margin 9.589041095890408 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Was SOTA · Coding › Web dev Margin 4.672897196261687 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in Coding › Web dev Margin 33.64485981308411 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #9 · Was SOTA · Long context Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 | #33 · #33 in Long context Margin 22.448979591836732 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | #28 · #28 in Vision Margin 76.3157894736842 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #4 · Near-SOTA · Factuality Margin 3.731343283582092 LMArena leaderboard dataset · Oct 13, 2026 | #32 · Was SOTA · Factuality Margin 24.626865671641795 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
Claude Opus 5: $10 per 1M blended tokens.
Muse Spark 1.1: $2.0000000000000004 per 1M blended tokens.
Claude Opus 5: closed weights.
Muse Spark 1.1: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark 1.1 leads Claude Opus 5 in General LLM at #10 against #11.
Reasoning: As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Reasoning at #9 against #13.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Coding › Web dev at #6 against #37.
Long context: As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Long context at #9 against #33.
Vision: As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Vision at #12 against #28.
Factuality: As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Factuality at #4 against #32.
Claude Opus 5 · Muse Spark 1.1
Claude Opus 5 or Muse Spark 1.1?
As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in 5 of 6 shared categories: Reasoning, Coding › Web dev, Long context, Vision, and Factuality.
Claude Opus 5 or Muse Spark 1.1 for General LLM?
As of Oct 14, 2026, Muse Spark 1.1 leads Claude Opus 5 in General LLM at #10 against #11.
Claude Opus 5 or Muse Spark 1.1 for Reasoning?
As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Reasoning at #9 against #13.
Claude Opus 5 or Muse Spark 1.1 for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 5 leads Muse Spark 1.1 in Coding › Web dev at #6 against #37.