Law Insider

Law Insider

Law Insider is an AI contract drafting and review tool built on what the company calls the world's largest public contract database. The database side has been around since 2013: anyone can search millions of filed contracts, clauses, and a legal dictionary on the web to find precedent language. The AI side, branded SimpleAI and powered by SimpleDocs, runs in two places. In the browser, an AI assistant generates original drafts and clauses using OpenAI models and validates them against the Law Insider corpus. In Microsoft Word, an add-in reviews, redlines, and summarizes third-party paper against 40+ standard playbooks or, on enterprise plans, your own custom playbooks and fallbacks. A Law Insider Index Score benchmarks any clause, including AI-generated ones, against market norms. Enterprise adds an AI repository with alerts, precedent- and standards-based benchmarking, SAML SSO, due-diligence support, and dedicated legal engineering.

Production credibility: Site states 10,000+ customers worldwide, AI trained on 200M+ clauses, 40+ standard playbooks, SOC 2 Type II compliance, weekly training sessions with legal AI staff, and a copyright line running 2013-2026; publishes an annual Legal AI Study.

Key Features

• Public search across millions of contracts, clauses, and a legal dictionary, free to browse
• AI Assistant that drafts original contracts and clauses with OpenAI models, validated against the Law Insider database
• Microsoft Word add-in for review, redlining, and summarizing third-party contracts
• 40+ standard playbooks, with custom playbooks and fallback positions on enterprise plans
• Law Insider Index Score that benchmarks a clause, including AI-generated ones, against market language
• Unlimited reviews, redlines, drafts, and uploads on the individual SimpleAI plan
• Enterprise: AI repository with alerts, precedent and standards benchmarking, SAML SSO, due-diligence support
• Contract standards library including oneNDA, oneSaaS, and oneDPA templates

Ideal Use Case

Solo practitioners, in-house counsel at small companies, and contract managers who spend their day redlining vendor paper in Word. Law Insider is the pick over a generic ChatGPT session because every suggestion is checked against a real corpus of filed contracts and playbook positions, and over a heavyweight CLM because you can start with a single-seat plan and a free trial. Large legal departments will want the enterprise tier for custom playbooks and SSO.

How Law Insider differentiates

The corpus is the moat: a decade of public contracts gives the AI something concrete to validate against, and the Index Score turns that into a number you can show a counterparty. Living inside Word rather than a separate portal matches how lawyers actually work. The playbook model (standard sets now, your own on enterprise) makes redlining consistent across a team rather than dependent on whoever is reviewing. Trade-offs as of 2026: the AI drafting runs on OpenAI models, so firms with a no-third-party-model policy should read the security page; the individual plan is priced for professionals, not occasional users; and the Law Insider brand now sits on top of SimpleDocs, so support and product naming can be confusing.

FAQ

Q: Is Law Insider free? A: Searching the public contract and clause database is free. The AI drafting, review, and redlining product (SimpleAI) is a paid subscription with a free trial, and an enterprise tier is quoted by sales.

Q: How does Law Insider compare to Spellbook or ChatGPT for contract review? A: Spellbook is also a Word add-in built on OpenAI; Law Insider's difference is validating output against its own database of millions of public contracts and scoring clauses with the Index. Plain ChatGPT has no corpus, no playbooks, and no redlining inside Word.

Q: Does Law Insider work in Microsoft Word? A: Yes. The Word add-in handles review, redlining, and summaries of third-party contracts against playbooks. Drafting and database search also run in the web app.

Q: What is the Law Insider Index Score? A: A benchmark that compares a clause, whether from a counterparty or generated by AI, against the language in Law Insider's public contract database so you can see how far it sits from market norms.

Q: Is Law Insider secure enough for confidential contracts? A: The site lists SOC 2 Type II compliance on the individual plan, with SAML SSO, custom data terms, and dedicated legal engineering support on enterprise. Ask about model-provider data handling if your firm restricts third-party AI.

tl;dr

Law Insider pairs a free public database of millions of contracts with a paid AI assistant that drafts, reviews, and redlines in Word, validated against 200M+ clauses. Strong for solo and small legal teams; enterprise features are sales-gated.