Claude Sonnet 4.5 vs Muse Spark 1.1
As of Oct 14, 2026, Claude Sonnet 4.5 leads Muse Spark 1.1 in 1 of 5 shared categories: Long context.
Claude Sonnet 4.5
It used to be. Was SOTA in General LLM.
Muse Spark 1.1
It used to be. Was SOTA in General LLM.
| Category | Claude Sonnet 4.5 | Muse Spark 1.1 |
|---|---|---|
| General LLM | #49 · Was SOTA · General LLM Margin 33.33333333333333 LMArena leaderboard dataset · Oct 13, 2026 | #10 · Was SOTA · General LLM Margin 6.802721088435376 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #40 · Was SOTA · Reasoning Margin 28.082191780821915 LMArena leaderboard dataset · Oct 13, 2026 | #13 · #13 in Reasoning Margin 9.589041095890408 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #25 · #25 in Math Margin 53.333333333333336 Epoch AI benchmarking hub · Sep 29, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #82 · #82 in Science Margin — Epoch AI benchmarking hub · Sep 29, 2025 | — |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Sep 29, 2025 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #78 · Was SOTA · Coding › Web dev Margin 71.96261682242991 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in Coding › Web dev Margin 33.64485981308411 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #29 · Was SOTA · Long context Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 | #33 · #33 in Long context Margin 22.448979591836732 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #28 · #28 in Vision Margin 76.3157894736842 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #50 · #50 in Factuality Margin 38.059701492537314 LMArena leaderboard dataset · Oct 13, 2026 | #32 · Was SOTA · Factuality Margin 24.626865671641795 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #66 · #66 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 29, 2025 | — |
Claude Sonnet 4.5: $6 per 1M blended tokens.
Muse Spark 1.1: $2.0000000000000004 per 1M blended tokens.
Claude Sonnet 4.5: closed weights.
Muse Spark 1.1: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in General LLM at #10 against #49.
Reasoning: As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in Reasoning at #13 against #40.
Coding › Web dev: As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in Coding › Web dev at #37 against #78.
Long context: As of Oct 14, 2026, Claude Sonnet 4.5 leads Muse Spark 1.1 in Long context at #29 against #33.
Factuality: As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in Factuality at #32 against #50.
Claude Sonnet 4.5 · Muse Spark 1.1
Claude Sonnet 4.5 or Muse Spark 1.1?
As of Oct 14, 2026, Claude Sonnet 4.5 leads Muse Spark 1.1 in 1 of 5 shared categories: Long context.
Claude Sonnet 4.5 or Muse Spark 1.1 for General LLM?
As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in General LLM at #10 against #49.
Claude Sonnet 4.5 or Muse Spark 1.1 for Reasoning?
As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in Reasoning at #13 against #40.
Claude Sonnet 4.5 or Muse Spark 1.1 for Coding › Web dev?
As of Oct 14, 2026, Muse Spark 1.1 leads Claude Sonnet 4.5 in Coding › Web dev at #37 against #78.