Grok 4.5 vs Muse Spark 1.1
Head-to-head comparison across 2benchmark 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.
Grok 4.5
75
Muse Spark 1.1
78
Pick Muse Spark 1.1 if you want the stronger benchmark profile. Grok 4.5 only becomes the better choice if coding is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Grok 4.5 | Δ | Muse Spark 1.1 |
|---|---|---|---|
| Coding | 64.7 | ← 3.2 | 61.5 |
| Agentic | 83.3 | ← 2.9 | 80.4 |
| Knowledge | — | — | 62.1 |
| Multimodal | — | — | 88.4 |
Operational Comparison
Grok 4.5
Muse Spark 1.1
$2 / $6
N/A
N/A
N/A
N/A
N/A
500K
1M
Quick Verdict
Pick Muse Spark 1.1 if you want the stronger benchmark profile. Grok 4.5 only becomes the better choice if coding is the priority.
Muse Spark 1.1 has the cleaner provisional overall profile here, landing at 78 versus 75. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Muse Spark 1.1 gives you the larger context window at 1M, compared with 500K for Grok 4.5.
Benchmark Deep Dive
Frequently Asked Questions (3)
Which is better, Grok 4.5 or Muse Spark 1.1?
Muse Spark 1.1 is ahead on BenchLM's provisional leaderboard, 78 to 75. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 83.3% and 80%.
Which is better for coding, Grok 4.5 or Muse Spark 1.1?
Grok 4.5 has the edge for coding in this comparison, averaging 64.7 versus 61.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Grok 4.5 or Muse Spark 1.1?
Grok 4.5 has the edge for agentic tasks in this comparison, averaging 83.3 versus 80.4. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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