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THE EVIDENCE

We didn't make up the problem.

AI invents the law — confidently, and often. That's why ArtiEsq starts from attorney-framed structure instead of a chatbot's guess. Here's the proof, with sources.

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How often AI gets the law wrong

Independent, peer-reviewed research.

58–88%

How often general AI chatbots hallucinate on legal questions.

Stanford RegLab/HAI, “Large Legal Fictions,” 2024
1 in 3

Error rate even for AI tools built and sold to lawyers (Westlaw >34%, Lexis+ >17%) — despite “hallucination-free” marketing.

Stanford, J. Empirical Legal Studies, 2025
1,600+

Court cases already corrupted by AI-invented law — and growing 2–3 a day.

AI Hallucination Cases Database, 2026
21 of 23

Citations in one AI-written court brief that turned out to be fabricated.

Noland v. Land of the Free, Cal. Ct. App., 2025

Don't take our word for it — take theirs

The AI companies say it themselves.

“ChatGPT can make mistakes. Check important info.”

— the disclaimer under every ChatGPT prompt

“You will not rely on Output … as a substitute for professional advice.”

— OpenAI Terms of Use

“It should be the tech that you don't trust that much.”

— Sam Altman, CEO of OpenAI (2025)

And the attorneys who do this for a living

On using AI to draft the actual documents — wills, contracts, agreements. Attributed opinions of the named practitioners and advisors, not statements by ArtiEsq.

“At this stage of AI, I would not recommend to anyone to rely on AI for their will.”

— Vanessa Kanaga, estate attorney & CEO of InterActive Legal, in U.S. News

“Contract law is not federal. It's state law … AI tools are trained on general legal principles — not the nuances of your jurisdiction.”

— Taylor Tieman, Esq., California attorney, Legalmiga (2026)

“Your contract may be unenforceable due to missing state-required provisions — such as license numbers, right-to-cancel notices, or lien-rights disclosures.”

— Karalynn Cromeens, construction attorney, The Cromeens Law Firm (2026)

“An AI-generated contract often looks professional … yet may be ‘good enough to be dangerous,’ missing critical clauses … that a seasoned lawyer would include.”

— Alex Bardin, Vectra Advisors (2026)

What getting it wrong costs

A $15 document looks expensive next to free — until you price the alternative.

$59,500

Sanctions against one firm for AI-fabricated citations in a single case.

21 of 23

Citations in one AI-written court brief that turned out to be fabricated.

void

A non-compete that's standard in one state is unenforceable in California and others.

How ArtiEsq is different

State and federal law is wired into every template by a licensed attorney. Arti, our assistant, explains the document and guides your answers. AI never writes the law — so it can't make it up.

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Full sources

Every figure on this page, with its primary citation. Figures dated where the underlying number changes; verify against the source before reuse.

  1. 58–88% / ≥75% — general-purpose LLMs hallucinated on 58–88% of specific legal queries (GPT-4 58%, Llama 2 88%), and ≥75% on a case's core holding. Dahl, Magesh, Suzgun & Ho, “Large Legal Fictions,” Journal of Legal Analysis (2024). stanford hai
  2. Westlaw >34% / Lexis+ >17% — leading commercial legal-research AI tools, as tested May 2024, despite “hallucination-free” marketing. Magesh et al., “Hallucination-Free?”, Journal of Empirical Legal Studies (2025). stanford hai
  3. 1,600+ court cases — documented court decisions worldwide involving AI-fabricated content; database updated continually, figure as of June 2026. AI Hallucination Cases Database (D. Charlotin). damiencharlotin.com
  4. 21 of 23 fabricated citationsNoland v. Land of the Free, L.P., Cal. Ct. App. (2025) — California's first published opinion on AI-hallucinated citations. opinion
  5. $59,500 in sanctionsJordan v. Chicago Housing Authority (2025): Goldberg Segalla $49,500 + attorney $10,000 for a ChatGPT-fabricated citation. uic law
  6. 33–48% — hallucination rate of OpenAI o3 (33%) and o4-mini (48%) on the PersonQA factual benchmark. OpenAI, “o3 and o4-mini System Card” (April 2025). openai
  7. “…not rely on Output…as a substitute for professional advice.” — OpenAI Terms of Use (current version; verify wording at time of use). openai terms
  8. “AI hallucinates. It should be the tech that you don't trust that much.” — Sam Altman, OpenAI Podcast, June 18, 2025. coverage
  9. “…would not recommend… rely on AI for their will.” — Vanessa Kanaga, estate attorney & CEO, InterActive Legal, quoted in U.S. News (2025). u.s. news
  10. “Contract law is not federal. It's state law…” — Taylor Tieman, Esq. (Cal.), Legalmiga (2026). legalmiga
  11. “…unenforceable due to missing state-required provisions…” — Karalynn Cromeens, construction attorney, The Cromeens Law Firm (2026); re: construction contracts. cromeens law
  12. “…good enough to be dangerous…” — Alex Bardin, Vectra Advisors, “AI Contracts: 5 Hidden Risks” (2026). vectra advisors
ArtiEsq is not a law firm and does not provide legal advice. Using it does not create an attorney-client relationship. Final accuracy and legal review by counsel before publication.