GPT-5.5 vs Muse Spark
As of Oct 14, 2026, GPT-5.5 leads Muse Spark in 3 of 6 shared categories: Science, Long context, and Factuality.
| Category | GPT-5.5 | Muse Spark |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 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 | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #44 · #44 in Coding › Web dev Margin 40.18691588785047 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Long context Margin 25.850340136054427 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 17.910447761194035 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #7 · #7 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 23, 2026 | — |
GPT-5.5: $11.25 per 1M blended tokens.
Muse Spark: price per 1M tokens is unset in the catalog.
GPT-5.5: closed weights.
Muse Spark: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark leads GPT-5.5 in General LLM at #12 against #21.
Reasoning: As of Oct 14, 2026, Muse Spark leads GPT-5.5 in Reasoning at #17 against #25.
Science: As of Oct 14, 2026, GPT-5.5 leads Muse Spark in Science at #30 against #37.
Coding › Web dev: As of Oct 14, 2026, Muse Spark leads GPT-5.5 in Coding › Web dev at #8 against #44.
Long context: As of Oct 14, 2026, GPT-5.5 leads Muse Spark in Long context at #23 against #38.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Muse Spark in Factuality at #5 against #23.
GPT-5.5 or Muse Spark?
As of Oct 14, 2026, GPT-5.5 leads Muse Spark in 3 of 6 shared categories: Science, Long context, and Factuality.
GPT-5.5 or Muse Spark for General LLM?
As of Oct 14, 2026, Muse Spark leads GPT-5.5 in General LLM at #12 against #21.
GPT-5.5 or Muse Spark for Reasoning?
As of Oct 14, 2026, Muse Spark leads GPT-5.5 in Reasoning at #17 against #25.
GPT-5.5 or Muse Spark for Science?
As of Oct 14, 2026, GPT-5.5 leads Muse Spark in Science at #30 against #37.