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Capítulo 26/30

Practitioner-Led Benchmarks

Vendor-funded benchmarks are marketing. Practitioner-led scorecards are evidence. Meet the new gate between vendors and buy-side counsel.

CHAPTER 26of 30Practitioner-LedBenchmarks
A set of precision mass standards in their case at the US National Institute of Standards and Technology.
A benchmark is only worth what its reference is worth. Someone has to define the kilogram, keep it, and let other people check theirs against it, which is exactly what a practitioner-led benchmark is for. National Institute of Standards and Technology · Public domain · via Wikimedia Commons

Qué cubre este capítulo

  1. Why Vendor Benchmarks Lie
  2. Practitioner Scorecards
  3. How to Read a Benchmark

Los capítulos del curso están escritos en inglés. El resto de la Academy está traducido.

TL;DR

Vendor-funded benchmarks are marketing. Practitioner-led benchmarks are evidence. A new wave of independent scorecards - run by lawyers, not by analysts on vendor retainers - is becoming the real gate between vendors and buy-side counsel.

1) Why vendor benchmarks lie

Vendors design tests where their tool wins. They pick the jurisdictions, the doc types, the evaluation rubric, and - quietly - the comparison set. Then they publish a chart with a green bar.

The result: every vendor in The Legal AI Vendor Landscape claims to be #1. By definition, six of them are wrong.

2) Practitioner-led scorecards

legalbenchmarks.ai - lawyer-led, public methodology, tasks drawn from real practice.

Vals AI / VLAIR - blind auto-evaluation across multiple legal AI products, using rubrics designed by practicing attorneys.

Both refuse vendor money. That's the entire point - see how HAQQ scored in one of them in Legal AI Benchmark 2026.

3) How to read a benchmark

• Who funded it?

• Are the test cases public?

• Are the graders disclosed?

• Is the methodology reproducible?

• Are confidence intervals shown - or just point estimates?

• Did the losing vendors get a chance to respond?

Rule of thumb

If a vendor refuses to participate in independent benchmarks, that is your benchmark - flag #1 in How to Evaluate a Legal AI Vendor.

Chapter Quiz

Test your understanding of the concepts covered in this chapter.

Question 1 of 6

The chapter says vendor benchmarks are marketing. What exactly does the vendor control that makes the result predictable?