Claude Sonnet 5 vs Muse Spark 1.1
Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Claude Sonnet 5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Sonnet 5
86
Muse Spark 1.1
78
Pick Claude Sonnet 5 if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if knowledge is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Sonnet 5 | Δ | Muse Spark 1.1 |
|---|---|---|---|
| Coding | 71.4 | ← 9.9 | 61.5 |
| Knowledge | 57.4 | → 4.7 | 62.1 |
| Agentic | 81.9 | ← 1.5 | 80.4 |
| Multimodal | 88.3 | → 0.1 | 88.4 |
Operational Comparison
Claude Sonnet 5
Muse Spark 1.1
$2 / $10
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1M
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Quick Verdict
Pick Claude Sonnet 5 if you want the stronger benchmark profile. Muse Spark 1.1 only becomes the better choice if knowledge is the priority.
Claude Sonnet 5 is clearly ahead on the provisional aggregate, 86 to 78. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Claude Sonnet 5's sharpest advantage is in coding, where it averages 71.4 against 61.5. The single biggest benchmark swing on the page is HLE, 57.4% to 62.1%. Muse Spark 1.1 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, Claude Sonnet 5 or Muse Spark 1.1?
Claude Sonnet 5 is ahead on BenchLM's provisional leaderboard, 86 to 78. The biggest single separator in this matchup is HLE, where the scores are 57.4% and 62.1%.
Which is better for knowledge tasks, Claude Sonnet 5 or Muse Spark 1.1?
Muse Spark 1.1 has the edge for knowledge tasks in this comparison, averaging 62.1 versus 57.4. Inside this category, HLE w/o tools is the benchmark that creates the most daylight between them.
Which is better for coding, Claude Sonnet 5 or Muse Spark 1.1?
Claude Sonnet 5 has the edge for coding in this comparison, averaging 71.4 versus 61.5. Inside this category, SWE-bench Pro is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Claude Sonnet 5 or Muse Spark 1.1?
Claude Sonnet 5 has the edge for agentic tasks in this comparison, averaging 81.9 versus 80.4. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, Claude Sonnet 5 or Muse Spark 1.1?
Muse Spark 1.1 has the edge for multimodal and grounded tasks in this comparison, averaging 88.4 versus 88.3. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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