Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Sonnet 4.6
80
Muse Spark
69
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if you need the larger 262K context window or you want the stronger reasoning-first profile.
Agentic
+6.3 difference
Coding
+4.7 difference
Knowledge
+23.3 difference
Claude Sonnet 4.6
Muse Spark
$3 / $15
N/A
44 t/s
N/A
1.48s
N/A
200K
262K
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. Muse Spark only becomes the better choice if you need the larger 262K context window or you want the stronger reasoning-first profile.
Claude Sonnet 4.6 is clearly ahead on the provisional aggregate, 80 to 69. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 4.6's sharpest advantage is in knowledge, where it averages 73.7 against 50.4. The single biggest benchmark swing on the page is SWE-bench Verified, 79.6% to 77.4%.
Muse Spark is the reasoning model in the pair, while Claude Sonnet 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. Muse Spark gives you the larger context window at 262K, compared with 200K for Claude Sonnet 4.6.
Claude Sonnet 4.6 is ahead on BenchLM's provisional leaderboard, 80 to 69. The biggest single separator in this matchup is SWE-bench Verified, where the scores are 79.6% and 77.4%.
Claude Sonnet 4.6 has the edge for knowledge tasks in this comparison, averaging 73.7 versus 50.4. Inside this category, HLE is the benchmark that creates the most daylight between them.
Claude Sonnet 4.6 has the edge for coding in this comparison, averaging 66.4 versus 61.7. Inside this category, SWE-bench Verified is the benchmark that creates the most daylight between them.
Claude Sonnet 4.6 has the edge for agentic tasks in this comparison, averaging 65.3 versus 59. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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