Claude Fable 5 vs Wonder: Benchmark Comparison

Claude Fable 5 has the higher score on 4 of 7 shared benchmarks; Wonder leads on 3.

The largest observed score gap is 11.00 pts on ProofBench v1.1 , where Claude Fable 5 leads.

Reported ±1 standard-error ranges overlap on 4 of 7 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 Claude Fable 5 Wonder Gap Reported uncertainty
Legal Research Bench 49.52% ±3.48 50.48% ±3.48 0.96 pts Reported ±1 SE ranges overlap
Tax Agent Bench 38.28% ±3.50 36.27% ±3.47 2.01 pts Reported ±1 SE ranges overlap
ProofBench v1.1 95.00% ±2.19 84.00% ±3.69 11.00 pts Reported ±1 SE ranges do not overlap
Terminal-Bench-Science 15.71% ±4.38 22.86% ±5.05 7.14 pts Reported ±1 SE ranges overlap
Terminal-Bench 4.0 41.41% ±1.34 49.49% ±2.20 8.08 pts Reported ±1 SE ranges do not overlap
Vibe Code Bench v1.1 90.35% ±2.10 83.09% ±2.49 7.26 pts Reported ±1 SE ranges do not overlap
Public Benefits Bench v1.1 70.43% ±1.19 70.23% ±1.19 0.20 pts Reported ±1 SE ranges overlap

Performance by category

Category Claude Fable 5 average Wonder average
Legal 49.52% 50.48%
Finance 38.28% 36.27%
Math 95.00% 84.00%
Science 15.71% 22.86%
Coding 65.88% 66.29%
Social Mobility 70.43% 70.23%

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 Claude Fable 5 cost Wonder cost Claude Fable 5 latency Wonder latency
Legal Research Bench $9.79 $3.98 22m18s 15m27s
Tax Agent Bench $6.70 $1.88 14m27s 8m13s
ProofBench v1.1 $5.45 $1.31 13m43s 15m29s
Terminal-Bench-Science $51.99 $19.61 1h59m 1h33m
Terminal-Bench 4.0 $30.34 $14.66 1h08m 54m41s
Vibe Code Bench v1.1 $41.71 $1.80 1h02m 5m50s
Public Benefits Bench v1.1 $4.59 $2.46 21m17s 19m44s

Results available only for Claude Fable 5

  • Vals RSI Index
  • LegalBench
  • MortgageTax
  • TaxEval v2
  • MedCode
  • MedScribe
  • GPQA Diamond
  • MMLU Pro
  • MMMU Pro
  • SAGE
  • LiveCodeBench
  • ProgramBench
  • SWE-bench

Results available only for Wonder

  • Vals Finance Index
  • Vals Index
  • Vals Legal Index
  • Vals Science Index
  • HLAB-Vals-1.1
  • EMB v1.1
  • Finance Agent v2.1
  • BioMysteryBench
  • MysteryMechanism
  • Code Migration v1.1
  • IOI
  • SWE-bench Multimodal
  • Vibe Code Bench 1-100
  • CyberBench v1.1
  • CUA-bench
Model details Claude Fable 5 Model details Wonder