GLM-5.1 vs Muse Spark
Head-to-head comparison across 3benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Muse Spark leads for most workloads.
Based on BenchLM composite scores, July 2026.
GLM-5.1
69
Muse Spark
76
Verified leaderboard positions: GLM-5.1 #16 · Muse Spark unranked
Pick Muse Spark if you want the stronger benchmark profile. GLM-5.1 only becomes the better choice if agentic is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | GLM-5.1 | Δ | Muse Spark |
|---|---|---|---|
| Agentic | 65.4 | ← 6.4 | 59.0 |
| Knowledge | 52.3 | ← 1.9 | 50.4 |
| Coding | 60.2 | → 1.5 | 61.7 |
| Reasoning | — | — | 42.5 |
| Math | 88.9 | — | — |
| Multimodal | — | — | 82.5 |
Operational Comparison
GLM-5.1
Muse Spark
$1.4 / $4.4
N/A
N/A
N/A
N/A
N/A
203K
262K
Quick Verdict
Pick Muse Spark if you want the stronger benchmark profile. GLM-5.1 only becomes the better choice if agentic is the priority.
Muse Spark is clearly ahead on the provisional aggregate, 76 to 69. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Muse Spark's sharpest advantage is in coding, where it averages 61.7 against 60.2. The single biggest benchmark swing on the page is SWE-bench Pro, 58.4% to 52.4%. GLM-5.1 does hit back in agentic, so the answer changes if that is the part of the workload you care about most.
Muse Spark gives you the larger context window at 262K, compared with 203K for GLM-5.1.
Benchmark Deep Dive
Frequently Asked Questions (4)
Which is better, GLM-5.1 or Muse Spark?
Muse Spark is ahead on BenchLM's provisional leaderboard, 76 to 69. The biggest single separator in this matchup is SWE-bench Pro, where the scores are 58.4% and 52.4%.
Which is better for knowledge tasks, GLM-5.1 or Muse Spark?
GLM-5.1 has the edge for knowledge tasks in this comparison, averaging 52.3 versus 50.4. Inside this category, AA-Omniscience Hallucination Rate is the benchmark that creates the most daylight between them.
Which is better for coding, GLM-5.1 or Muse Spark?
Muse Spark has the edge for coding in this comparison, averaging 61.7 versus 60.2. Inside this category, Vibe Code Bench is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, GLM-5.1 or Muse Spark?
GLM-5.1 has the edge for agentic tasks in this comparison, averaging 65.4 versus 59. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.
Self-host vs API cost
Estimates at 50,000 req/day · 1000 tokens/req average.
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