Grok 4.5 vs Muse Spark
As of Oct 14, 2026, Grok 4.5 leads Muse Spark in 2 of 6 shared categories: Science and Long context.
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 14, 2026.
Muse Spark
It used to be. Was SOTA in General LLM.
| Category | Grok 4.5 | Muse Spark |
|---|---|---|
| General LLM | #36 · #36 in General LLM Margin 24.48979591836735 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #37 · #37 in Reasoning Margin 26.027397260273972 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 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 2026 |
| Coding | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #34 · #34 in Coding › Web dev Margin 30.8411214953271 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #35 · #35 in Long context Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Long context Margin 25.850340136054427 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #26 · #26 in Factuality Margin 20.14925373134328 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 17.910447761194035 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 | — |
Grok 4.5: $3 per 1M blended tokens.
Muse Spark: price per 1M tokens is unset in the catalog.
Grok 4.5: closed weights.
Muse Spark: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark leads Grok 4.5 in General LLM at #12 against #36.
Reasoning: As of Oct 14, 2026, Muse Spark leads Grok 4.5 in Reasoning at #17 against #37.
Science: As of Oct 14, 2026, Grok 4.5 leads Muse Spark in Science at #14 against #37.
Coding › Web dev: As of Oct 14, 2026, Muse Spark leads Grok 4.5 in Coding › Web dev at #8 against #34.
Long context: As of Oct 14, 2026, Grok 4.5 leads Muse Spark in Long context at #35 against #38.
Factuality: As of Oct 14, 2026, Muse Spark leads Grok 4.5 in Factuality at #23 against #26.
Grok 4.5 or Muse Spark?
As of Oct 14, 2026, Grok 4.5 leads Muse Spark in 2 of 6 shared categories: Science and Long context.
Grok 4.5 or Muse Spark for General LLM?
As of Oct 14, 2026, Muse Spark leads Grok 4.5 in General LLM at #12 against #36.
Grok 4.5 or Muse Spark for Reasoning?
As of Oct 14, 2026, Muse Spark leads Grok 4.5 in Reasoning at #17 against #37.
Grok 4.5 or Muse Spark for Science?
As of Oct 14, 2026, Grok 4.5 leads Muse Spark in Science at #14 against #37.