Claude Opus 4.6 vs Muse Spark 1.2
As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6
Close. Near-SOTA in Reasoning, rank #2.
Muse Spark 1.2
It used to be. Was SOTA in General LLM.
| Category | Claude Opus 4.6 | Muse Spark 1.2 |
|---|---|---|
| General LLM | #4 · Near-SOTA · General LLM Margin 2.7210884353741562 LMArena leaderboard dataset · Oct 13, 2026 | #8 · Was SOTA · General LLM Margin 5.442176870748298 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #2 · Near-SOTA · Reasoning Margin 2.0547945205479436 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in Reasoning Margin 8.219178082191775 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 — Epoch AI benchmarking hub · Feb 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #35 · Was SOTA · Coding › Web dev Margin 31.775700934579433 LMArena leaderboard dataset · Oct 13, 2026 | #40 · #40 in Coding › Web dev Margin 36.44859813084112 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #2 · Near-SOTA · Long context Margin 0.6802721088435391 LMArena leaderboard dataset · Oct 13, 2026 | #16 · Was SOTA · Long context Margin 10.884353741496597 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #27 · #27 in Vision Margin 73.6842105263158 Epoch AI benchmarking hub · Aug 5, 2026 |
| Factuality | #3 · Near-SOTA · Factuality Margin 2.9850746268656536 LMArena leaderboard dataset · Oct 13, 2026 | #9 · Was SOTA · Factuality Margin 7.462686567164198 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Opus 4.6: $10 per 1M blended tokens.
Muse Spark 1.2: $2.0000000000000004 per 1M blended tokens.
Claude Opus 4.6: closed weights.
Muse Spark 1.2: closed weights.
General LLM: As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in General LLM at #4 against #8.
Reasoning: As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Reasoning at #2 against #11.
Coding › Web dev: As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Coding › Web dev at #35 against #40.
Long context: As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Long context at #2 against #16.
Factuality: As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Factuality at #3 against #9.
Claude Opus 4.6 · Muse Spark 1.2
Claude Opus 4.6 or Muse Spark 1.2?
As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 4.6 or Muse Spark 1.2 for General LLM?
As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in General LLM at #4 against #8.
Claude Opus 4.6 or Muse Spark 1.2 for Reasoning?
As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Reasoning at #2 against #11.
Claude Opus 4.6 or Muse Spark 1.2 for Coding › Web dev?
As of Oct 14, 2026, Claude Opus 4.6 leads Muse Spark 1.2 in Coding › Web dev at #35 against #40.