GPT-5.4 vs Muse Spark 1.3
As of Oct 15, 2026, GPT-5.4 leads Muse Spark 1.3 in 1 of 5 shared categories: Factuality.
GPT-5.4
It used to be. Was SOTA in General LLM.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
| Category | GPT-5.4 | Muse Spark 1.3 |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Reasoning Margin 6.164383561643831 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Coding Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #18 · #18 in Coding › Agentic Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in Coding › Web dev Margin 8.411214953271028 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Long context Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #8 · #8 in Vision Margin 23.684210526315795 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Factuality Margin 8.955223880597018 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
GPT-5.4: $5.625 per 1M blended tokens.
Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.
GPT-5.4: closed weights.
Muse Spark 1.3: closed weights.
General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in General LLM at #9 against #28.
Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in Reasoning at #8 against #29.
Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in Coding › Web dev at #10 against #55.
Long context: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in Long context at #15 against #34.
Factuality: As of Oct 15, 2026, GPT-5.4 leads Muse Spark 1.3 in Factuality at #6 against #11.
GPT-5.4 or Muse Spark 1.3?
As of Oct 15, 2026, GPT-5.4 leads Muse Spark 1.3 in 1 of 5 shared categories: Factuality.
GPT-5.4 or Muse Spark 1.3 for General LLM?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in General LLM at #9 against #28.
GPT-5.4 or Muse Spark 1.3 for Reasoning?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in Reasoning at #8 against #29.
GPT-5.4 or Muse Spark 1.3 for Coding › Web dev?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.4 in Coding › Web dev at #10 against #55.