Casetext vs Westlaw: AI vs Traditional Legal Research

Compare AI-powered research innovation with the established legal research standard

Casetext

AI Innovation Leader
★★★★★ 4.6/5
$89/user/month
  • Advanced AI search (CARA A.I.)
  • Natural language queries
  • Transparent pricing
  • Modern, intuitive interface

Westlaw

Industry Standard
★★★★☆ 4.3/5
$200-400+/user/month
  • Comprehensive legal database
  • Advanced search operators
  • Extensive secondary sources
  • Established industry standard

Detailed Feature Comparison

Feature Casetext Westlaw
Overview AI-first legal research platform with natural language search Comprehensive legal database with traditional and AI search
Starting Price $89/user/month $200-400+/user/month
Database Coverage ~ Federal & state cases, statutes Most comprehensive
AI Search Technology CARA A.I. (industry-leading) WestSearch Plus AI
Natural Language Search Optimized for plain English ~ Limited natural language
Boolean Search Standard operators Advanced operators
Case Law Coverage Federal & state courts Most comprehensive
Secondary Sources ~ Limited selection Extensive treatises & journals
Legal Analytics Judge & court analytics WestSearch Analytics
Citation Analysis Good citation tools KeyCite (industry standard)
Shepardizing/Validation SmartCite validation Gold standard KeyCite
Brief Analysis CARA Brief Analyzer ~ Limited brief tools
Mobile App Full-featured mobile Westlaw Edge mobile
Offline Access Cloud-only Download capabilities
International Law US-focused Global coverage
API Access ~ Limited API Comprehensive APIs
Training & Support Responsive support Extensive training programs
Learning Curve Intuitive & easy ~ Steeper learning curve
Best For Small to mid-size firms, AI-first research Large firms, comprehensive research needs

AI Capabilities Deep Dive

Casetext CARA A.I.

Key Features:

  • Natural Language Processing: Ask questions in plain English
  • CARA Brief Analyzer: Upload briefs to find relevant cases
  • Parallel Search: AI finds conceptually similar cases
  • Smart Filtering: AI-powered result refinement
  • Citation Context: Understand how cases are being cited
Example Query:

"Can an employer fire someone for refusing to work overtime on religious grounds?"

CARA understands the legal concepts and finds relevant employment and religious accommodation cases.

Westlaw AI Features

Key Features:

  • WestSearch Plus: AI-enhanced traditional search
  • Quick Check: AI-powered citation validation
  • Litigation Analytics: AI-driven insights on judges/courts
  • Smart Search: Improved result ranking
  • Practice Area Integration: AI within specific practice tools
Approach:

Westlaw integrates AI to enhance traditional Boolean search rather than replacing it. The AI assists with result ranking and provides additional context.

Pros and Cons Analysis

Casetext

Pros

  • Revolutionary AI search that understands legal concepts
  • Significantly lower cost ($89 vs $200-400+/month)
  • Intuitive interface requiring minimal training
  • Natural language search reduces research time
  • CARA Brief Analyzer for comprehensive case finding
  • Transparent, predictable pricing
  • Excellent for rapid research and case discovery
  • Strong mobile app for research on the go
  • Responsive customer support

Cons

  • Smaller database compared to Westlaw
  • Limited secondary sources and treatises
  • US-focused (no international law coverage)
  • Newer platform with shorter track record
  • Less comprehensive for specialized practice areas
  • No offline access capabilities
  • Limited API and integration options

Westlaw

Pros

  • Most comprehensive legal database available
  • Industry-standard KeyCite citation analysis
  • Extensive secondary sources and treatises
  • Global coverage including international law
  • Advanced Boolean search capabilities
  • Established trust and reliability
  • Comprehensive training and support programs
  • Strong API and integration ecosystem
  • Offline access and download capabilities
  • Specialized tools for specific practice areas

Cons

  • Significantly higher cost (3-5x more expensive)
  • Steeper learning curve and complex interface
  • AI features less advanced than Casetext
  • Limited natural language search capabilities
  • Can be overwhelming for simple research tasks
  • Complex pricing structure with many add-ons
  • Interface feels dated compared to modern tools

Pricing Comparison

Casetext Pricing

Standard Plan

$89/user/month
  • Full case law database access
  • CARA A.I. search technology
  • Brief Analyzer tool
  • SmartCite validation
  • Mobile app access
  • Email support

Volume Discounts: Available for larger teams

Annual Plans: 10% discount for annual payment

Free Trial: 14-day free trial available

Westlaw Pricing

Custom Pricing

$200-400+/user/month
  • Pricing varies by practice area
  • Database size affects cost
  • Secondary sources are add-ons
  • Volume discounts available
  • Training and support included

Practice-Specific Packages: Different pricing for litigation, corporate, etc.

Add-On Costs: International databases, specialized libraries

Enterprise Deals: Significant discounts for large firms

Which Platform is Right for You?

Choose Casetext If:

  • Cost is a significant factor in your decision
  • You want the most advanced AI search technology
  • Your research is primarily US federal and state law
  • You prefer intuitive, modern interfaces
  • Quick case discovery is more important than comprehensive coverage
  • You're a small to mid-size firm
  • Natural language search appeals to your team
  • You want to minimize training time

Choose Westlaw If:

  • You need the most comprehensive legal database
  • Secondary sources and treatises are crucial
  • You handle international or specialized legal matters
  • Your team is already trained on Westlaw
  • Advanced Boolean search capabilities are important
  • You're part of a large firm with diverse needs
  • Established industry standard tools are preferred
  • You need extensive API integrations

Our Verdict

Casetext Wins for Innovation and Value

Casetext represents the future of legal research with its AI-first approach that dramatically reduces research time and costs. For most law firms, especially small to mid-size practices, Casetext provides 80% of the functionality at 25% of the cost.

Westlaw remains necessary for comprehensive needs. Large firms with diverse practice areas, international clients, or heavy reliance on secondary sources will still find Westlaw indispensable despite its higher cost.

The legal industry is experiencing a shift toward AI-powered research, and Casetext is leading this transformation.

Casetext

4.6/5
AI Innovation 4.9/5
Value 4.8/5
Ease of Use 4.7/5
Coverage 4.0/5

Westlaw

4.3/5
AI Innovation 3.7/5
Value 3.5/5
Ease of Use 3.8/5
Coverage 4.9/5

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