Claude Opus 4.6 vs Muse Spark 1.3
As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Muse Spark 1.3
Yes. Yes on Coding › Web dev (best per dollar); Vision (best per dollar). Not the overall leader.
| Category | Claude Opus 4.6 | Muse Spark 1.3 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.1276595744680833 LMArena leaderboard dataset · Oct 13, 2026 | #9 · #9 in General LLM Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 1.5957446808510696 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Reasoning Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #11 · #11 in Math Margin 22.22222222222223 Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Feb 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 | #37 · Was SOTA · Coding › Web dev Margin 28.799999999999997 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Coding › Web dev Margin 8 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.5319148936170421 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 | #3 · Near-SOTA · Factuality Margin 2.3255813953488342 LMArena leaderboard dataset · Oct 13, 2026 | #12 · #12 in Factuality Margin 7.558139534883736 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Muse Spark 1.3: $2.0000000000000004 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Muse Spark 1.3: closed weights.
General LLM: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in General LLM at #4 against #9.
Reasoning: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in Reasoning at #2 against #8.
Coding › Web dev: As of Oct 15, 2026, Muse Spark 1.3 leads Claude Opus 4.6 in Coding › Web dev at #11 against #37.
Long context: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in Long context at #2 against #15.
Factuality: As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in Factuality at #3 against #12.
Claude Opus 4.6 · Muse Spark 1.3
Claude Opus 4.6 or Muse Spark 1.3?
As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in 4 of 5 shared categories: General LLM, Reasoning, Long context, and Factuality.
Claude Opus 4.6 or Muse Spark 1.3 for General LLM?
As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in General LLM at #4 against #9.
Claude Opus 4.6 or Muse Spark 1.3 for Reasoning?
As of Oct 15, 2026, Claude Opus 4.6 leads Muse Spark 1.3 in Reasoning at #2 against #8.
Claude Opus 4.6 or Muse Spark 1.3 for Coding › Web dev?
As of Oct 15, 2026, Muse Spark 1.3 leads Claude Opus 4.6 in Coding › Web dev at #11 against #37.