Thomson Reuters CoCounsel Legal vs Lexis+ with Protégé
Side-by-side from the Top 11 ranking of MyCase vs Clio vs CoCounsel: 11 Best AI for Law Firms 2026. Last verified October 1, 2026.
The short answer
Thomson Reuters CoCounsel Legal ranks higher on Top 11 (#3 vs #4) for Managing partners, firm administrators and operations leads at United States law firms of roughly 2 to 50 lawyers, on Clio, MyCase, Smokeball or Microsoft 365, who are deciding which AI to buy first and want it to work inside the systems they already pay for.. The longest list of named law firm systems on this page, and research cited to Westlaw.
At a glance
| Thomson Reuters CoCounsel Legal | Lexis+ with Protégé | |
|---|---|---|
| Top 11 rank | #3 / MyCase vs Clio vs CoCounsel: 11 Best AI for Law Firms 2026 | #4 / MyCase vs Clio vs CoCounsel: 11 Best AI for Law Firms 2026 |
| Score (out of 9.4) | 8.6 | 8.4 |
| Best for | Westlaw firms on iManage or NetDocuments that draft in Word | Lexis firms that draft in Word and file in iManage, NetDocuments or OpenText |
| Pricing | $$$ (no price published; quote after a short form; one, two or three year terms with the longer terms discounted; more than 10 attorneys goes to a sales rep) | $$$ (no price published; 2 day free trial) |
| HQ | — | — |
| Founded | — | — |
Thomson Reuters CoCounsel Legal
The longest list of named law firm systems on this page, and research cited to Westlaw.
legal.thomsonreuters.com/en/products/cocounsel-legalSee full entry in MyCase vs Clio vs CoCounsel: 11 Best AI for Law Firms 2026
Lexis+ with Protégé
Drafts in Word with linked Lexis sources, and names five document systems including OpenText.
www.lexisnexis.com/en-us/products/protege.pageSee full entry in MyCase vs Clio vs CoCounsel: 11 Best AI for Law Firms 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.