GPT-5.6 Luna vs Muse Spark
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark in 1 of 6 shared categories: Science.
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 14, 2026.
Muse Spark
It used to be. Was SOTA in General LLM.
| Category | GPT-5.6 Luna | Muse Spark |
|---|---|---|
| General LLM | #53 · #53 in General LLM Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 | #12 · Was SOTA · General LLM Margin 8.163265306122454 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #55 · #55 in Reasoning Margin 38.35616438356164 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 | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | #37 · #37 in Science Margin — Epoch AI benchmarking hub · Apr 8, 2026 |
| Coding | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #43 · #43 in Coding › Web dev Margin 39.25233644859813 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Coding › Web dev Margin — LMArena leaderboard dataset · Jun 5, 2026 |
| Long context | #65 · #65 in Long context Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 | #38 · #38 in Long context Margin 25.850340136054427 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #35 · #35 in Factuality Margin 26.86567164179104 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in Factuality Margin 17.910447761194035 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #19 · #19 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 | — |
GPT-5.6 Luna: $0.44999999999999996 per 1M blended tokens.
Muse Spark: price per 1M tokens is unset in the catalog.
GPT-5.6 Luna: closed weights.
Muse Spark: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in General LLM at #12 against #53.
Reasoning: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in Reasoning at #17 against #55.
Science: As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark in Science at #25 against #37.
Coding › Web dev: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in Coding › Web dev at #8 against #43.
Long context: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in Long context at #38 against #65.
Factuality: As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in Factuality at #23 against #35.
GPT-5.6 Luna or Muse Spark?
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark in 1 of 6 shared categories: Science.
GPT-5.6 Luna or Muse Spark for General LLM?
As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in General LLM at #12 against #53.
GPT-5.6 Luna or Muse Spark for Reasoning?
As of Oct 14, 2026, Muse Spark leads GPT-5.6 Luna in Reasoning at #17 against #55.
GPT-5.6 Luna or Muse Spark for Science?
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark in Science at #25 against #37.