
AI Legal Technology in 2026: The Stack From Harvey to Westlaw + CoCounsel to Lexis+AI
The AI legal technology stack reshaping law firms 2022–2026 — Harvey AI ($5B+ valuation), Thomson Reuters/Casetext CoCounsel ($650M), LexisNexis Lexis+AI, Spellbook, Robin AI, Ironclad, Evisort (Workday $400M). Plus the Mata v. Avianca sanctions and ABA Formal Opinion 512.









