Claude Opus 4.6 vs Muse Spark
Head-to-head comparison across 4benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Claude Opus 4.6 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Opus 4.6
84
Muse Spark
76
Verified leaderboard positions: Claude Opus 4.6 #12 · 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.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Opus 4.6 | Δ | Muse Spark |
|---|---|---|---|
| Knowledge | 69.2 | ← 18.8 | 50.4 |
| Agentic | 73.0 | ← 14.0 | 59.0 |
| Multimodal | 77.3 | → 5.2 | 82.5 |
| Coding | 64.1 | ← 2.4 | 61.7 |
| Reasoning | — | — | 42.5 |
Operational Comparison
Claude Opus 4.6
Muse Spark
$5 / $25
N/A
40 t/s
N/A
1.78s
N/A
1M
262K
Quick Verdict
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 76. 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 69.2 against 50.4. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 65.4% to 59%. 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.
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, Claude Opus 4.6 or Muse Spark?
Claude Opus 4.6 is ahead on BenchLM's provisional leaderboard, 84 to 76. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 65.4% and 59%.
Which is better for knowledge tasks, Claude Opus 4.6 or Muse Spark?
Claude Opus 4.6 has the edge for knowledge tasks in this comparison, averaging 69.2 versus 50.4. Inside this category, HealthBench Hard is the benchmark that creates the most daylight between them.
Which is better for coding, Claude Opus 4.6 or Muse Spark?
Claude Opus 4.6 has the edge for coding in this comparison, averaging 64.1 versus 61.7. Inside this category, Vibe Code Bench is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Claude Opus 4.6 or Muse Spark?
Claude Opus 4.6 has the edge for agentic tasks in this comparison, averaging 73 versus 59. Inside this category, CyberGym is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, Claude Opus 4.6 or Muse Spark?
Muse Spark has the edge for multimodal and grounded tasks in this comparison, averaging 82.5 versus 77.3. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
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