Qwen 3.8 Max vs Muse Spark 1.2: Benchmark Comparison

Qwen 3.8 Max has the higher score on 7 of 19 shared benchmarks; Muse Spark 1.2 leads on 12.

The largest observed score gap is 47.11 pts on IOI , where Qwen 3.8 Max leads.

Reported ±1 standard-error ranges overlap on 8 of 19 shared benchmarks with comparable uncertainty data. This is not a pairwise statistical significance test.

Shared benchmark results

Scores and reported standard errors come from the latest visible Vals benchmark version available for both models.

Benchmark Qwen 3.8 Max Muse Spark 1.2 Gap Reported uncertainty
Legal Research Bench 47.60% ±3.47 43.75% ±3.45 3.85 pts Reported ±1 SE ranges overlap
LegalBench 83.61% ±0.42 85.26% ±0.45 1.65 pts Reported ±1 SE ranges do not overlap
MortgageTax 63.99% ±0.94 65.42% ±0.93 1.43 pts Reported ±1 SE ranges overlap
Tax Agent Bench 32.09% ±3.37 32.80% ±2.75 0.70 pts Reported ±1 SE ranges overlap
TaxEval v2 75.55% ±0.84 80.38% ±0.76 4.82 pts Reported ±1 SE ranges do not overlap
MedCode 40.67% ±2.03 49.35% ±2.19 8.68 pts Reported ±1 SE ranges do not overlap
MedScribe 84.95% ±2.00 90.06% ±1.96 5.11 pts Reported ±1 SE ranges do not overlap
ProofBench v1.1 58.00% ±4.96 43.00% ±4.98 15.00 pts Reported ±1 SE ranges do not overlap
MMLU Pro 88.60% ±0.31 88.28% ±0.32 0.33 pts Reported ±1 SE ranges overlap
MMMU Pro 88.03% ±0.78 86.13% ±0.83 1.91 pts Reported ±1 SE ranges do not overlap
SAGE 51.25% ±3.42 47.66% ±3.44 3.59 pts Reported ±1 SE ranges overlap
IOI 68.89% ±5.20 21.78% ±0.87 47.11 pts Reported ±1 SE ranges do not overlap
ProgramBench 0.00% ±0.00 0.50% ±0.50 0.50 pts Reported ±1 SE ranges overlap
SkillsBench 42.01% ±4.43 53.04% ±4.42 11.02 pts Reported ±1 SE ranges do not overlap
SWE-bench 85.60% ±1.57 86.60% ±1.52 1.00 pts Reported ±1 SE ranges overlap
Terminal-Bench 4.0 34.34% ±3.94 6.06% ±1.51 28.28 pts Reported ±1 SE ranges do not overlap
Vibe Code Bench v1.1 64.70% ±5.36 79.10% ±3.31 14.40 pts Reported ±1 SE ranges do not overlap
CyberBench v1.1 28.57% ±3.31 69.52% ±5.56 40.95 pts Reported ±1 SE ranges do not overlap
Public Benefits Bench v1.1 67.12% ±1.22 68.47% ±1.21 1.35 pts Reported ±1 SE ranges overlap

Performance by category

Category Qwen 3.8 Max average Muse Spark 1.2 average
Legal 65.60% 64.51%
Finance 57.21% 59.53%
Healthcare 62.81% 69.70%
Math 58.00% 43.00%
Academic 88.32% 87.20%
Education 51.25% 47.66%
Coding 49.26% 41.18%
Cyber 28.57% 69.52%
Social Mobility 67.12% 68.47%

Cost and latency

Cost per test appears only where the benchmark reports it for both models. Latency is the measured completion time for that benchmark.

Benchmark Qwen 3.8 Max cost Muse Spark 1.2 cost Qwen 3.8 Max latency Muse Spark 1.2 latency
Legal Research Bench $2.49 $0.51 1h01m 5m07s
LegalBench N/A N/A 36.37s 30.10s
MortgageTax N/A N/A 47.50s 44.62s
Tax Agent Bench $1.55 $0.27 40m36s 119.91s
TaxEval v2 N/A N/A 4m26s 48.31s
MedCode N/A N/A 6m18s 60.17s
MedScribe N/A N/A 4m11s 61.46s
ProofBench v1.1 $1.50 $0.44 31m08s 7m49s
MMLU Pro N/A N/A 63.58s 44.23s
MMMU Pro N/A N/A 43.85s 73.84s
SAGE N/A N/A 2m13s 29.07s
IOI $9.47 $2.64 1h47m 25m35s
ProgramBench $12.36 $2.47 5h54m 26m38s
SkillsBench $0.52 $0.65 15m48s 13m00s
SWE-bench $1.13 $0.55 41m42s 8m07s
Terminal-Bench 4.0 $10.63 $4.14 2h28m 1h18m
Vibe Code Bench v1.1 $8.24 $1.53 2h49m 19m55s
CyberBench v1.1 $0.78 $2.15 9m40s 20m21s
Public Benefits Bench v1.1 $0.99 $0.59 40m44s 8m55s

Results available only for Qwen 3.8 Max

  • Vals RSI Index
  • EMB v1.1
  • MysteryMechanism
  • Terminal-Bench-Science
  • GPQA Diamond
  • LiveCodeBench
  • SWE-bench Multimodal
  • Vibe Code Bench 1-100

Results available only for Muse Spark 1.2

  • BioMysteryBench
  • SRE Bench
Model details Qwen 3.8 Max Model details Muse Spark 1.2