Mercury 2.5 vs Inkling Small: Benchmark Comparison

Mercury 2.5 has the higher score on 1 of 12 shared benchmarks; Inkling Small leads on 10.

The largest observed score gap is 29.02 pts on MedScribe , where Inkling Small leads.

Reported ±1 standard-error ranges overlap on 3 of 12 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 Mercury 2.5 Inkling Small Gap Reported uncertainty
Legal Research Bench 4.33% ±1.41 25.48% ±3.03 21.15 pts Reported ±1 SE ranges do not overlap
LegalBench 83.06% ±0.48 82.99% ±0.46 0.07 pts Reported ±1 SE ranges overlap
Tax Agent Bench 2.49% ±1.02 15.39% ±2.37 12.90 pts Reported ±1 SE ranges do not overlap
MedCode 31.33% ±1.95 37.89% ±2.21 6.57 pts Reported ±1 SE ranges do not overlap
MedScribe 55.09% ±2.10 84.11% ±1.87 29.02 pts Reported ±1 SE ranges do not overlap
ProofBench v1.1 3.00% ±1.71 6.00% ±2.39 3.00 pts Reported ±1 SE ranges overlap
IOI 2.44% ±0.68 9.33% ±4.47 6.89 pts Reported ±1 SE ranges do not overlap
SkillsBench 18.06% ±3.08 33.58% ±3.66 15.52 pts Reported ±1 SE ranges do not overlap
Terminal-Bench 4.0 0.00% ±0.00 0.00% ±0.00 0.00 pts Reported ±1 SE ranges overlap
Vibe Code Bench v1.1 3.68% ±1.41 19.05% ±3.40 15.37 pts Reported ±1 SE ranges do not overlap
CyberBench v1.1 45.48% ±6.06 64.11% ±6.17 18.63 pts Reported ±1 SE ranges do not overlap
Public Benefits Bench v1.1 45.26% ±1.29 59.41% ±1.28 14.14 pts Reported ±1 SE ranges do not overlap

Performance by category

Category Mercury 2.5 average Inkling Small average
Legal 43.69% 54.23%
Finance 2.49% 15.39%
Healthcare 43.21% 61.00%
Math 3.00% 6.00%
Coding 6.05% 15.49%
Cyber 45.48% 64.11%
Social Mobility 45.26% 59.41%

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 Mercury 2.5 cost Inkling Small cost Mercury 2.5 latency Inkling Small latency
Legal Research Bench $0.06 $0.14 47.61s 12m55s
LegalBench N/A N/A 3.91s 17.66s
Tax Agent Bench $0.02 $0.09 29.67s 6m25s
MedCode N/A N/A 7.93s 3m11s
MedScribe N/A N/A 9.99s 3m50s
ProofBench v1.1 $0.04 $0.08 3m22s 8m27s
IOI $0.16 $0.34 4m03s 11m18s
SkillsBench $0.10 $0.15 49.36s 11m41s
Terminal-Bench 4.0 $0.37 $0.32 15m14s 11m45s
Vibe Code Bench v1.1 $0.38 $0.43 3m13s 49m09s
CyberBench v1.1 $0.12 $0.25 18m59s 19m35s
Public Benefits Bench v1.1 $0.07 $0.10 68.33s 8m41s

Results available only for Mercury 2.5

  • Terminal-Bench-Science

Results available only for Inkling Small

  • Vals Finance Index
  • Vals Index
  • Vals Legal Index
  • HLAB-Vals-1.1
  • EMB v1.1
  • Finance Agent v2.1
  • MortgageTax
  • TaxEval v2
  • GPQA Diamond
  • MMLU Pro
  • SAGE
  • Code Migration v1.1
  • LiveCodeBench
  • ProgramBench
  • SWE-bench
Model details Mercury 2.5 Model details Inkling Small