Legal AI — Rated #1 in 2026
The AI legal
assistant attorneys
actually use.
OpusLaw's Carta AI is purpose-built for legal professionals — with specialized training, 135+ legal functions, multilingual legal workflows, and enterprise security from day one.
10+
hours saved per week
135+
legal functions
50+
languages supported
Free
Free tier available
Capabilities
Every capability a legal professional needs.
Legal-Specific AI Training
Trained on legal documents, case law, statutes, and regulations — not general internet content. Understands legal context, terminology, and reasoning that generic AI tools miss.
AI-Powered Document Generation
Generate contracts, motions, briefs, memos, and 135+ document types with legal accuracy. Every output reviewed against legal standards for reliability attorneys can trust.
Enterprise-Grade Security
security review support, secure cloud infrastructure, and attorney-client privilege protection built in. Your client data is never used for model training — ever.
multilingual legal workflows
Native-level legal expertise across multilingual legal workflows. Draft, review, and research in any language with understanding of jurisdiction-specific requirements and local legal systems.
Comprehensive Legal Research
Search case law, statutes, and regulations with natural language queries. Get jurisdiction-aware results with citations, summaries, and contextual analysis in seconds.
Free Tier — No Credit Card
Start immediately with a free account. No credit card required, no time limit on the free tier. Upgrade when your practice grows and you need more capacity.
“Legal AI should be treated as a drafting, research, and review aid. Attorneys should verify citations, facts, deadlines, and jurisdiction-specific requirements before relying on any output.”
OpusLaw legal AI guidance
Get started
The AI assistant your practice deserves.
No credit card required. Free tier available. Setup is designed to be straightforward.