GPT-5.2 vs Muse Spark 1.1
Head-to-head comparison across 4benchmark 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.
GPT-5.2
75
Muse Spark 1.1
78
Verified leaderboard positions: GPT-5.2 #30 · Muse Spark 1.1 unranked
Pick Muse Spark 1.1 if you want the stronger benchmark profile. GPT-5.2 only becomes the better choice if knowledge is the priority.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | GPT-5.2 | Δ | Muse Spark 1.1 |
|---|---|---|---|
| Knowledge | 92.4 | ← 30.3 | 62.1 |
| Agentic | 55.7 | → 24.7 | 80.4 |
| Multimodal | 80.4 | → 8.0 | 88.4 |
| Coding | 64.7 | ← 3.2 | 61.5 |
| Reasoning | 52.9 | — | — |
Operational Comparison
GPT-5.2
Muse Spark 1.1
$1.75 / $14
N/A
73 t/s
N/A
130.34s
N/A
400K
1M
Quick Verdict
Pick Muse Spark 1.1 if you want the stronger benchmark profile. GPT-5.2 only becomes the better choice if knowledge 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's sharpest advantage is in agentic, where it averages 80.4 against 55.7. The single biggest benchmark swing on the page is OSWorld-Verified, 47.3% to 80.8%. GPT-5.2 does hit back in knowledge, so the answer changes if that is the part of the workload you care about most.
Muse Spark 1.1 gives you the larger context window at 1M, compared with 400K for GPT-5.2.
Benchmark Deep Dive
Frequently Asked Questions (5)
Which is better, GPT-5.2 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 OSWorld-Verified, where the scores are 47.3% and 80.8%.
Which is better for knowledge tasks, GPT-5.2 or Muse Spark 1.1?
GPT-5.2 has the edge for knowledge tasks in this comparison, averaging 92.4 versus 62.1. Muse Spark 1.1 stays close enough that the answer can still flip depending on your workload.
Which is better for coding, GPT-5.2 or Muse Spark 1.1?
GPT-5.2 has the edge for coding in this comparison, averaging 64.7 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, GPT-5.2 or Muse Spark 1.1?
Muse Spark 1.1 has the edge for agentic tasks in this comparison, averaging 80.4 versus 55.7. Inside this category, OSWorld-Verified is the benchmark that creates the most daylight between them.
Which is better for multimodal and grounded tasks, GPT-5.2 or Muse Spark 1.1?
Muse Spark 1.1 has the edge for multimodal and grounded tasks in this comparison, averaging 88.4 versus 80.4. Inside this category, CharXiv is the benchmark that creates the most daylight between them.
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