GPT-5.5 vs Muse Spark 1.2
As of Oct 14, 2026, GPT-5.5 leads Muse Spark 1.2 in 2 of 6 shared categories: Vision and Factuality.
GPT-5.5
It used to be. Was SOTA in General LLM.
Muse Spark 1.2
It used to be. Was SOTA in General LLM.
| Category | GPT-5.5 | Muse Spark 1.2 |
|---|---|---|
| General LLM | #21 · Was SOTA · General LLM Margin 14.285714285714292 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · General LLM Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #25 · #25 in Reasoning Margin 17.808219178082197 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Reasoning Margin 8.219178082191775 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 | #30 · #30 in Science Margin — Epoch AI benchmarking hub · Apr 23, 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 | #40 · #40 in Coding › Web dev Margin 36.44859813084112 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #23 · Was SOTA · Long context Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #16 · Was SOTA · Long context Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #10 · Was SOTA · Vision Margin 28.94736842105263 Epoch AI benchmarking hub · Apr 23, 2026 | #27 · #27 in Vision Margin 73.6842105263158 Epoch AI benchmarking hub · Aug 5, 2026 |
| Factuality | #5 · Was SOTA · Factuality Margin 4.477611940298502 LMArena leaderboard dataset · Oct 13, 2026 | #9 · Was SOTA · Factuality Margin 7.462686567164198 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 1.2: $2.0000000000000004 per 1M blended tokens.
GPT-5.5: closed weights.
Muse Spark 1.2: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in General LLM at #8 against #21.
Reasoning: As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in Reasoning at #11 against #25.
Coding › Web dev: As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in Coding › Web dev at #40 against #44.
Long context: As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in Long context at #16 against #23.
Vision: As of Oct 14, 2026, GPT-5.5 leads Muse Spark 1.2 in Vision at #10 against #27.
Factuality: As of Oct 14, 2026, GPT-5.5 leads Muse Spark 1.2 in Factuality at #5 against #9.
GPT-5.5 or Muse Spark 1.2?
As of Oct 14, 2026, GPT-5.5 leads Muse Spark 1.2 in 2 of 6 shared categories: Vision and Factuality.
GPT-5.5 or Muse Spark 1.2 for General LLM?
As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in General LLM at #8 against #21.
GPT-5.5 or Muse Spark 1.2 for Reasoning?
As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in Reasoning at #11 against #25.
GPT-5.5 or Muse Spark 1.2 for Coding › Web dev?
As of Oct 14, 2026, Muse Spark 1.2 leads GPT-5.5 in Coding › Web dev at #40 against #44.