GPT-5.6 Luna vs Muse Spark 1.3
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in 2 of 8 shared categories: Coding and Coding › Agentic.
GPT-5.6 Luna
#16 Best current rank: #16 in Coding, as of Oct 14, 2026.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
| Category | GPT-5.6 Luna | Muse Spark 1.3 |
|---|---|---|
| General LLM | #53 · #53 in General LLM Margin 36.054421768707485 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin 6.122448979591837 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #55 · #55 in Reasoning Margin 38.35616438356164 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Reasoning Margin 6.164383561643831 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 | #25 · #25 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 | — |
| Coding | #16 · #16 in Coding Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #18 · #18 in Coding Margin 86.36363636363636 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #16 · #16 in Coding › Agentic Margin 77.27272727272728 Terminal-Bench Harbor Hub · Oct 6, 2026 | #18 · #18 in Coding › Agentic Margin 86.36363636363636 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 | #10 · #10 in Coding › Web dev Margin 8.411214953271028 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #65 · #65 in Long context Margin 44.21768707482993 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Long context Margin 10.204081632653057 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #19 · #19 in Vision Margin 52.63157894736842 Epoch AI benchmarking hub · Jul 9, 2026 | #8 · #8 in Vision Margin 23.684210526315795 Epoch AI benchmarking hub · Sep 2, 2026 |
| Factuality | #35 · #35 in Factuality Margin 26.86567164179104 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Factuality Margin 8.955223880597018 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 1.3: $2.0000000000000004 per 1M blended tokens.
GPT-5.6 Luna: closed weights.
Muse Spark 1.3: closed weights.
General LLM: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in General LLM at #9 against #53.
Reasoning: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Reasoning at #8 against #55.
Coding: As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in Coding at #16 against #18.
Coding › Agentic: As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in Coding › Agentic at #16 against #18.
Coding › Web dev: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Coding › Web dev at #10 against #43.
Long context: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Long context at #15 against #65.
Vision: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Vision at #8 against #19.
Factuality: As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Factuality at #11 against #35.
GPT-5.6 Luna or Muse Spark 1.3?
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in 2 of 8 shared categories: Coding and Coding › Agentic.
GPT-5.6 Luna or Muse Spark 1.3 for General LLM?
As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in General LLM at #9 against #53.
GPT-5.6 Luna or Muse Spark 1.3 for Reasoning?
As of Oct 14, 2026, Muse Spark 1.3 leads GPT-5.6 Luna in Reasoning at #8 against #55.
GPT-5.6 Luna or Muse Spark 1.3 for Coding?
As of Oct 14, 2026, GPT-5.6 Luna leads Muse Spark 1.3 in Coding at #16 against #18.