Legal AI has produced both the strongest genuine efficiency gains and the most widely publicised failures on this list — including sanctioned lawyers who filed briefs citing cases that never existed. Both facts come from the same property: the output reads exactly like competent legal writing whether or not it is correct. The tools that hold up are those grounded in a real case-law or contract database with citations you can click through to the source. Anything answering from the model alone belongs nowhere near a filing.
Machine learning contract analysis and due diligence
#legal
This page lists 5 tools filed under Legal
, including Harvey
and Relativity
. Each listing sets out what the tool does, its current plans, and
where it falls short. Nothing here is ordered by payment — how
listings are written and funded is explained on our about page.
Frequently Asked Questions About Legal AI Tools
Can AI replace a lawyer?
No, and in most jurisdictions providing legal advice without a licence is itself unlawful, which is why these tools describe themselves as research and drafting assistance. They compress the work a qualified person does — first-pass review, clause comparison, summarising a long agreement — rather than substituting for the judgement and the accountability that come with advice.
Why is hallucinated case law such a persistent problem?
Because a fabricated citation has exactly the shape of a real one: plausible parties, plausible court, plausible year. Models optimised for fluent text produce it readily. The only reliable defence is a tool that retrieves from an actual legal database and links to the judgment, combined with checking that every citation resolves before it leaves your desk.
Is it safe to upload confidential client documents?
Only after checking the terms specifically. You need a plan that contractually excludes training on your content, a stated retention period, and ideally zero-retention processing. Professional confidentiality obligations do not relax because a vendor's privacy page is reassuring, and in many bars the duty to supervise technology sits explicitly with the practitioner.