Claude Fable 5 vs Wonder Full: Benchmark Comparison

Claude Fable 5 has the higher score on 5 of 12 shared benchmarks; Wonder Full leads on 7.

The largest observed score gap is 21.43 pts on Terminal-Bench-Science , where Wonder Full leads.

Reported ±1 standard-error ranges overlap on 4 of 11 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 Full Gap Reported uncertainty
Vals RSI Index 24.32% 24.43% 0.11 pts Uncertainty comparison unavailable
Legal Research Bench 49.52% ±3.48 53.37% ±3.47 3.85 pts Reported ±1 SE ranges overlap
LegalBench 88.56% ±0.33 87.42% ±0.41 1.14 pts Reported ±1 SE ranges do not overlap
Tax Agent Bench 38.28% ±3.50 43.00% ±3.57 4.72 pts Reported ±1 SE ranges overlap
MedCode 56.07% ±2.20 49.93% ±2.18 6.14 pts Reported ±1 SE ranges do not overlap
MedScribe 88.52% ±1.95 89.33% ±2.00 0.81 pts Reported ±1 SE ranges overlap
ProofBench v1.1 95.00% ±2.19 94.00% ±2.39 1.00 pts Reported ±1 SE ranges overlap
Terminal-Bench-Science 15.71% ±4.38 37.14% ±5.82 21.43 pts Reported ±1 SE ranges do not overlap
ProgramBench 2.00% ±0.99 0.50% ±0.50 1.50 pts Reported ±1 SE ranges do not overlap
Terminal-Bench 4.0 41.41% ±1.34 58.08% ±3.31 16.67 pts Reported ±1 SE ranges do not overlap
Vibe Code Bench v1.1 90.35% ±2.10 86.00% ±1.93 4.36 pts Reported ±1 SE ranges do not overlap
Public Benefits Bench v1.1 70.43% ±1.19 73.75% ±1.15 3.31 pts Reported ±1 SE ranges do not overlap

Performance by category

Category Claude Fable 5 average Wonder Full average
Legal 69.04% 70.39%
Finance 38.28% 43.00%
Healthcare 72.30% 69.63%
Math 95.00% 94.00%
Science 15.71% 37.14%
Coding 44.59% 48.19%
Social Mobility 70.43% 73.75%

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 Full cost Claude Fable 5 latency Wonder Full latency
Vals RSI Index N/A N/A 90h00m 90h00m
Legal Research Bench $9.79 $3.60 22m18s 27m34s
LegalBench N/A N/A 8.96s 38.27s
Tax Agent Bench $6.70 $2.15 14m27s 18m04s
MedCode N/A N/A 91.44s 3m03s
MedScribe N/A N/A 119.47s 115.72s
ProofBench v1.1 $5.45 $0.86 13m43s 11m36s
Terminal-Bench-Science $51.99 $22.81 1h59m 3h35m
ProgramBench $75.68 $28.65 2h37m 6h04m
Terminal-Bench 4.0 $30.34 $10.53 1h08m 1h12m
Vibe Code Bench v1.1 $41.71 $2.29 1h02m 10m48s
Public Benefits Bench v1.1 $4.59 $4.64 21m17s 1h13m

Results available only for Claude Fable 5

  • MortgageTax
  • TaxEval v2
  • GPQA Diamond
  • MMLU Pro
  • MMMU Pro
  • SAGE
  • LiveCodeBench
  • SWE-bench

Results available only for Wonder Full

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