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Get full access to CourtListener links, unlimited verifications, and all platform integrations.

Direct CourtListener links
Unlimited verifications
All AI platforms (ChatGPT, Claude, Gemini, Grok)
Smart glasses & voice commands
$29/month Basic (50/day)
$49/month Professional (unlimited)
One subscription • All platforms
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Veridictum Legal

Legal Citation Verification Platform

Deterministic Verification • Zero Hallucinations • Free for Students

NEW Available Across Multiple Platforms

Web App Mobile PWA ChatGPT Claude Copilot

One subscription • All platforms • Voice commands • Photo lookups

Case Search & Quick Lookup

Smart Case Ranking™

Landmark cases & authoritative precedent surface first

Search 539,000+ precedential cases by legal topic or keyword

  • Smart Case Ranking - landmark cases and highly-cited precedent appear first
  • Citation lookup - enter a citation to find the case and related cases
  • Search by legal topic across 539,000+ precedential cases
  • Photo Quick Lookup - snap a citation, get instant results
  • Direct CourtListener links to full opinions
Search Cases

AI Citation Hallucination Detector

Deterministic Verification • Not AI Checking AI

Verify citations against 14.2 million real court records - not AI checking AI

  • 14.2 million cases in verification database
  • Deterministic verification - no guessing, no probability
  • Upload PDFs, Word docs, or images
  • Downloadable verification reports
  • Works in ChatGPT & Claude
Verify Citations

Trusted by Law Students & Legal Professionals

14.2M
Cases for Verification
539K+
Searchable Cases
11K+
Authority-Ranked Cases
100%
Deterministic
5+
Platforms Supported
PROPRIETARY TECHNOLOGY

Smart Case Ranking™

Our proprietary ranking algorithm surfaces the most authoritative cases first. Not just keyword matching — intelligent ranking that understands legal authority.

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Tier 1: Landmark Cases

Household-name cases that define American law

  • Miranda v. Arizona
  • Brown v. Board of Education
  • Marbury v. Madison

290+ curated landmark decisions

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Tier 2: Highly Cited

Authoritative precedent cited thousands of times

  • Citation authority analysis
  • 500+ citations threshold
  • Procedural workhorses

11,000+ authority-ranked cases

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Semantic Intelligence

Find cases by legal concept, not just keywords

  • Vector embeddings
  • Concept matching
  • Authority-weighted results

539K+ embedded precedential cases

NEW FEATURE

One Subscription. Every Platform.

Use Veridictum's hallucination detector wherever you work - your favorite AI assistant, Microsoft Copilot, or our web app. One subscription works everywhere.

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AI Assistants

Verify citations directly inside your favorite AI tools

  • ChatGPT Custom GPT
  • Claude MCP Server
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Microsoft Copilot

Verify citations inside Microsoft's AI assistant

  • Copilot Agent
  • Citation Verification
  • Case Search
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Web & Mobile

Full-featured platform on any device

  • Desktop Web App
  • Mobile PWA (Install to Home)
  • Document Upload & OCR
  • PDF Verification Reports

The Hallucination Problem. Solved.

The Problem with AI Legal Research

ChatGPT and other AI tools frequently hallucinate fake legal citations. Lawyers have been sanctioned. Students have failed. Careers have been damaged. Using AI to check AI doesn't solve the problem.

Real Consequences

In Mata v. Avianca, lawyers were sanctioned for citing AI-generated fake cases. This isn't theoretical - it's happening in courtrooms right now.

Our Solution: Deterministic Verification

Veridictum uses database lookup against 14.2 million real court records. Every citation is verified deterministically - no AI guessing, no probability scores. A case either exists in the database or it doesn't.

Works Where You Work

Don't change your workflow - add verification to it. Use Veridictum inside ChatGPT, Claude, or Microsoft Copilot. Upload documents on our web app. One subscription covers all.

Why Veridictum?

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100% Deterministic

Database lookup against real court records - not AI checking AI

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Smart Case Ranking™

Landmark cases and authoritative precedent surface first automatically

Lightning Fast

5-10ms verification speed - instant results

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Multi-Platform

Web, mobile, ChatGPT, Claude, Copilot

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Photo Lookup

Snap a citation photo for instant verification

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Search by Legal Topic

Find cases by concept, not just keywords - 539K+ precedential cases

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Citation Authority

11,000+ cases ranked by citation frequency and legal authority

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Free for Students

Full access through graduation + 3 months - no catch

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Free for Law Students. No Catch.

Every law student gets full access completely free - through graduation and 3 months beyond. Full search access, unlimited verification, all platforms. Our mission is to support your entire legal career.

Stop AI Hallucinations Before They Reach the Court

14.2 million cases • Smart Case Ranking™ • Deterministic verification • All platforms