Composer 2.5 vs Muse Spark 1.1
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Muse Spark 1.1 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Composer 2.5
65
Muse Spark 1.1
78
Pick Muse Spark 1.1 if you want the stronger benchmark profile. Composer 2.5 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Composer 2.5 | Δ | Muse Spark 1.1 |
|---|---|---|---|
| Agentic | 69.3 | → 11.1 | 80.4 |
| Coding | — | — | 61.5 |
| Knowledge | — | — | 62.1 |
| Multimodal | — | — | 88.4 |
Operational Comparison
Composer 2.5
Muse Spark 1.1
$0.5 / $2.5
N/A
N/A
N/A
N/A
N/A
200K
1M
Quick Verdict
Pick Muse Spark 1.1 if you want the stronger benchmark profile. Composer 2.5 only becomes the better choice if its workflow or ecosystem matters more than the raw scoreboard.
Muse Spark 1.1 is clearly ahead on the provisional aggregate, 78 to 65. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Muse Spark 1.1's sharpest advantage is in agentic, where it averages 80.4 against 69.3. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 69.3% to 80%.
Muse Spark 1.1 gives you the larger context window at 1M, compared with 200K for Composer 2.5.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Composer 2.5 or Muse Spark 1.1?
Muse Spark 1.1 is ahead on BenchLM's provisional leaderboard, 78 to 65. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 69.3% and 80%.
Which is better for agentic tasks, Composer 2.5 or Muse Spark 1.1?
Muse Spark 1.1 has the edge for agentic tasks in this comparison, averaging 80.4 versus 69.3. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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