Deep Research for U.S. Law

A powerful citator and research engine

Built by and for attorneys.

Independent Benchmark Winner

Counsel Stack earned the highest scores in the VLAIR legal research benchmark in accuracy, authoritativeness, and appropriateness.

78% v. 69%
Aggregate quality score

81% v. 71%
Accuracy compared to attorneys

77% v. 68%
Authoritativeness compared to attorneys

90% v. 60%
On complex questions

5m v. 22.5m
Time to produce risk mitigated output

Why Legal Authoritativeness Matters

400+ attorneys have been sanctioned for citing fake cases in the last two years.

Counsel Stack earned 77% on authoritativeness compared to 68% for attorneys and 70% for OpenAI.

This gap represents real professional liability protection.

Still Curious?
Read the Report