Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.6
84
Muse Spark
69
Verified leaderboard positions: Claude Opus 4.6 #2 · Muse Spark unranked
Pick Claude Opus 4.6 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if multimodal & grounded is the priority or you want the stronger reasoning-first profile.
Agentic
+13.6 difference
Coding
+2.7 difference
Knowledge
+25.8 difference
Multimodal
+3.1 difference
Claude Opus 4.6
Muse Spark
$15 / $75
N/A
40 t/s
N/A
1.78s
N/A
1M
262K
Pick Claude Opus 4.6 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if multimodal & grounded is the priority or you want the stronger reasoning-first profile.
Claude Opus 4.6 is clearly ahead on the provisional aggregate, 84 to 69. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Opus 4.6's sharpest advantage is in knowledge, where it averages 76.2 against 50.4. The single biggest benchmark swing on the page is GDPval-AA, 1606 to 1444. Muse Spark does hit back in multimodal & grounded, so the answer changes if that is the part of the workload you care about most.
Muse Spark is the reasoning model in the pair, while Claude Opus 4.6 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Claude Opus 4.6 gives you the larger context window at 1M, compared with 262K for Muse Spark.
Claude Opus 4.6 is ahead on BenchLM's provisional leaderboard, 84 to 69. The biggest single separator in this matchup is GDPval-AA, where the scores are 1606 and 1444.
Claude Opus 4.6 has the edge for knowledge tasks in this comparison, averaging 76.2 versus 50.4. Inside this category, HealthBench Hard is the benchmark that creates the most daylight between them.
Claude Opus 4.6 has the edge for coding in this comparison, averaging 64.4 versus 61.7. Inside this category, LiveCodeBench Pro is the benchmark that creates the most daylight between them.
Claude Opus 4.6 has the edge for agentic tasks in this comparison, averaging 72.6 versus 59. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Muse Spark has the edge for multimodal and grounded tasks in this comparison, averaging 80.4 versus 77.3. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
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