Comparison

Legalcode vs. CoCounsel

CoCounsel is Thomson Reuters' legal AI assistant, deeply integrated with Westlaw for US legal research. It is an enterprise product with enterprise pricing, designed to work within the Thomson Reuters ecosystem. Legalcode is an open MCP protocol layer providing primary legal sources across 24 jurisdictions, working with any AI agent.

Feature comparison

FeatureLegalcodeCoCounsel (Thomson Reuters)
Starting priceFree tier; Pro $39/month ($29 annual)Enterprise pricing — requires Westlaw subscription
Jurisdiction coverage24 jurisdictions with live primary sourcesPrimarily US (via Westlaw); limited international
Works with any AI agentYes — MCP protocol standardNo — CoCounsel platform only
US legal research depthFederal and state statutes, federal case lawFull Westlaw database integration (extensive US depth)
Data retentionZero data retentionThomson Reuters data processing terms apply
Open protocol / APIMCP — works with Claude, Codex, Cursor, any clientProprietary integration, Westlaw-bound
Self-service setupYes — add to MCP config, start immediatelyEnterprise procurement and Westlaw subscription required
Legal skills318+ custom-built skillsCoCounsel task set (research, drafting, review)

Key differences

Ecosystem lock-in

Advantage

CoCounsel is a value-add layer on top of Westlaw — to use it, you need a Westlaw subscription and operate within the Thomson Reuters interface. Legalcode works with any MCP-compatible agent and does not require you to change your existing tools or subscriptions.

US research depth

Competitor advantage

CoCounsel with Westlaw has exceptional US legal research depth — the full Westlaw database, KeyCite, secondary sources, and law review content. Legalcode's US coverage is strong for primary sources (federal statutes, regulations, case law) but does not match Westlaw's depth in secondary sources and editorial content.

International coverage

Advantage

Legalcode covers 24 jurisdictions with live primary source pipelines. CoCounsel's coverage is primarily US-focused; Westlaw international adds some coverage but at additional cost and with less depth outside North America.

Access model

Advantage

CoCounsel requires enterprise procurement and is bundled with Westlaw pricing. Legalcode's free tier is available immediately without a sales call or contract negotiation.

FAQ

Should I use CoCounsel or Legalcode for US legal research?
If you already have Westlaw and your work is primarily US-focused, CoCounsel offers deep Westlaw integration — comprehensive case coverage, KeyCite for subsequent treatment, and secondary sources. Legalcode is a stronger fit for multi-jurisdiction research, teams without Westlaw subscriptions, or lawyers who want to use primary source data inside their own AI agent (Claude Code, Cursor, etc.).
Can Legalcode work alongside CoCounsel?
Yes. Legalcode and CoCounsel are not mutually exclusive. A lawyer can use CoCounsel for deep US research within Westlaw while using Legalcode to bring international legal data and structured legal skills to their AI coding agent or other MCP clients.
Does Legalcode have equivalent depth to Westlaw's US case law database?
No. Westlaw's US case law database is one of the most comprehensive legal databases in the world, with extensive coverage going back over a century across all US courts. Legalcode's US case law coverage via CourtListener covers federal courts and a growing number of state courts. For citation checking and comprehensive US precedent research, Westlaw/CoCounsel provides greater depth.

Try Legalcode free — no enterprise contract required.

Free tier includes laws and case law across 24 jurisdictions. Pro is $39/month ($29 billed annually). Add to your MCP client in minutes.