GPT-5.5 Instant vs Muse Spark 1.3
As of Oct 15, 2026, GPT-5.5 Instant leads Muse Spark 1.3 in 0 of 4 shared categories.
GPT-5.5 Instant
#36 Best current rank: #36 in General LLM, as of Oct 15, 2026.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
| Category | GPT-5.5 Instant | Muse Spark 1.3 |
|---|---|---|
| General LLM | #36 · #36 in General LLM Margin 19.148936170212764 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #38 · #38 in Reasoning Margin 20.744680851063833 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Reasoning Margin 4.7872340425531945 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 | #65 · #65 in Science Margin — Epoch AI benchmarking hub · May 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 | — | #11 · #11 in Coding › Web dev Margin 8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #46 · #46 in Long context Margin 24.468085106382972 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Long context Margin 7.978723404255305 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 | #78 · #78 in Factuality Margin 45.93023255813954 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Factuality Margin 7.558139534883736 LMArena leaderboard dataset · Oct 13, 2026 |
GPT-5.5 Instant: price per 1M tokens is unset in the catalog.
Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.
GPT-5.5 Instant: closed weights.
Muse Spark 1.3: closed weights.
General LLM: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in General LLM at #9 against #36.
Reasoning: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in Reasoning at #8 against #38.
Long context: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in Long context at #15 against #46.
Factuality: As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in Factuality at #12 against #78.
GPT-5.5 Instant · Muse Spark 1.3
GPT-5.5 Instant or Muse Spark 1.3?
As of Oct 15, 2026, GPT-5.5 Instant leads Muse Spark 1.3 in 0 of 4 shared categories.
GPT-5.5 Instant or Muse Spark 1.3 for General LLM?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in General LLM at #9 against #36.
GPT-5.5 Instant or Muse Spark 1.3 for Reasoning?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in Reasoning at #8 against #38.
GPT-5.5 Instant or Muse Spark 1.3 for Long context?
As of Oct 15, 2026, Muse Spark 1.3 leads GPT-5.5 Instant in Long context at #15 against #46.