Reviewed by Jonathan West · Updated Aug 27, 2026

Harvey vs Legora vs CoCounsel: Which Legal AI Fits Your Firm?

Harvey automates the drafting. Legora connects the team doing it. CoCounsel grounds the research in Westlaw.

Reviewed by Jonathan West · Updated Aug 27, 2026

Harvey, Legora, and CoCounsel each stand out for a different reason: Harvey for automation, Legora for collaboration, and CoCounsel for research.

After setting up Clio and cleaning CRM data for multiple law firms, we've seen that the real question isn't which platform has the longest feature list. It's which one fits the way your team already works.

All three are enterprise-priced products built for established legal teams, not solo practitioners looking to test an app on a free trial. Harvey uses agents to handle drafting and diligence from start to finish. Legora adds a shared, collaborative workspace to Microsoft 365. CoCounsel is Thomson Reuters' research tool, grounded in Westlaw case law and Practical Law guides.

This guide compares all three by workflow, pricing, and firm-size fit, helping you narrow the field to one or two options before speaking with sales.

Harvey AI vs. Legora and CoCounsel: Side-by-Side

DimensionHarvey AILegora and CoCounsel
Workflow modelAgentic: purpose-built agents execute multi-step legal work end to end.Legora: collaborative workspace layered on your existing tools. CoCounsel: research assistant grounded in Westlaw case law.
Core strengthDrafting, M&A diligence, and firm-wide agentic workflows.Legora: shared review, drafting, and firm-to-client sharing. CoCounsel: verified, cited legal research.
Starting priceQuote-based; roughly $100 to $200 per user per month at scale. Median contract near $175,000 per year. Not publicly listed.Legora: around $200 to $500+ per user per month, billed annually, with a roughly $30,000 minimum from a 10-seat commitment. CoCounsel: from about $225 per user per month for document work, rising to roughly $550 with Westlaw research.
Data groundingFirm documents plus a LexisNexis content partnership.Legora: your own documents and matters. CoCounsel: Thomson Reuters' Westlaw case law and Practical Law content.
Best for firm sizeAmLaw 100, large firms, and in-house teams; a mid-market tier exists for lean teams.Legora: firms that want a connected, collaborative workspace, including cross-border teams. CoCounsel: firms already on Westlaw or Practical Law, from solo research-driven practices to large firms.
Signature featureAgents, Vault bulk document analysis, and Contract Intelligence.Legora: Tabular Review and a client-facing Portal. CoCounsel: cited case-law research grounded directly in Westlaw.
VerdictBest when agents need to run diligence and drafting at enterprise scale.Legora: best when collaboration and firm-to-client sharing matter most. CoCounsel: best when authoritative, cited research is the core job.

Suggest a correction — if you work at one of the products above and something here is out of date, tell us and we'll fix it.


Harvey vs Legora vs CoCounsel: The Quick Take

The three tools split cleanly by job, not by quality. Harvey automates the work: its agents draft, review, and run diligence with less hands-on steering. Legora connects the people doing the work, with a shared workspace that extends out to clients through its Portal. CoCounsel checks the law, using Westlaw's cited case authority as its foundation rather than a general-purpose model.

None of the three is a budget pick. All three sell to firms that already treat legal AI as infrastructure, not an experiment.

Pick by job, not by brand: Harvey to do the work, Legora to connect the team doing it, CoCounsel to check the law behind it.

Weighing Harvey, Legora, and CoCounsel for your firm? We can map all three to your actual workflows, budget, and compliance needs in a short consultation.

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How Harvey, Legora, and CoCounsel Differ

Harvey is built around agents. Per Harvey, its purpose-built agents execute complex legal work end to end, backed by Vault for bulk document analysis and Contract Intelligence for contract review. Using Harvey feels like handing a task to an automated associate and getting a finished draft back.

Legora is built around collaboration instead. Per Legora, it is a single connected system for a legal team's shared work. Tabular Review handles structured document analysis across many files at once. Workflows automates multi-step tasks, and a Portal extends the workspace out to in-house clients. Using Legora feels like a shared cockpit where several people review, draft, and advise together in real time.

CoCounsel starts from a different premise: authority. Per Thomson Reuters, CoCounsel Legal is grounded in Westlaw case law and Practical Law guides, so its research answers carry verified citations a lawyer can check against controlling authority. Harvey offers research too, through its Knowledge product and a LexisNexis partnership, but firms that need Westlaw-grade citation depth for research-heavy work still lean on CoCounsel first.

  • Harvey: agents run multi-step drafting and diligence with less hands-on steering.
  • Legora: Tabular Review grids answers across many documents; Portal shares work with clients.
  • CoCounsel: research answers cite Westlaw case law and Practical Law directly.

Pricing: Harvey vs Legora vs CoCounsel

CoCounsel publishes the clearest tiers of the three. Third-party 2026 reporting puts CoCounsel Core near $225 per user per month for document work, rising to roughly $550 per user per month once Westlaw case-law research is added.

Legora sits above that. Third-party 2026 reporting puts it around $200 to $500 or more per user per month, billed annually. A 10-seat commitment brings the practical minimum to roughly $30,000 a year.

Harvey stays quote-based with no public list price. Buyer reports put it near $100 to $200 per user per month at AmLaw scale, higher for mid-market firms, with a median contract close to $175,000 per year. If none of the three fits a smaller budget, the Harvey AI alternatives roundup covers lower-cost options built for solo and small-firm buyers.

All three are quote-heavy once you leave the smallest tier. Confirm current seat minimums and pricing directly with each vendor before you budget.

Who This Comparison Is Not For

A solo practitioner or a two-lawyer shop should skip all three. Harvey's median contract runs near $175,000 a year. Legora carries a roughly $30,000 minimum from its 10-seat commitment. Even CoCounsel's cheapest document-only tier assumes a team, not one person billing hours alone. A small or solo practice gets more value from a lower-cost, per-seat legal AI tool sized for a single user, not an enterprise platform built around firm-wide rollout.

A firm that does not yet subscribe to Westlaw or Practical Law should also weigh that cost before picking CoCounsel, since its research depth depends on that underlying content library.


Which Firm Size Fits Each Platform

Harvey fits AmLaw 100 firms and in-house departments that want one agentic platform running drafting and diligence firm-wide. A mid-market tier exists too, for smaller teams willing to commit to enterprise procurement.

Legora fits firms that value a connected, collaborative workspace over pure automation, especially cross-border teams and firms that want to share work product with in-house clients through the Portal.

CoCounsel fits any firm already paying for Westlaw or Practical Law, since its tiers scale down to document-only work. That makes it the most realistic entry point of the three for a smaller research-driven practice.


The Failure Mode: Picking on Brand Name, Not Job

The most common mistake is buying the platform with the loudest name in the market instead of the one that matches the actual daily job. A litigation-heavy firm that signs Legora for its collaborative Portal, then discovers its real bottleneck was drafting speed, has bought the wrong tool for a real reason and a real price.

The inversion case matters just as much as the general rule. Harvey's agentic automation is usually the right default for a large firm. It is the wrong pick, though, when the firm's actual constraint is not drafting throughput but getting partners and associates to review work together in one place. In that case, Legora's shared workspace solves the real bottleneck and Harvey's automation would sit unused.

The same inversion applies to CoCounsel. A firm assumes research depth is its weak point and buys CoCounsel, only to find its real drag is document turnaround on routine drafting, a job CoCounsel was never built to do. Naming the actual daily bottleneck before a demo call, not after, is what keeps a six-figure contract from solving the wrong problem.

  • Bottleneck is drafting speed and diligence volume: Harvey fits.
  • Bottleneck is team coordination or client-facing sharing: Legora fits.
  • Bottleneck is citing controlling authority fast and correctly: CoCounsel fits.

Go Deeper on Each Pairing

Each of the three head-to-head pairings gets its own full breakdown, with a longer comparison table and more FAQs than the three-way view above can hold.

Read Harvey vs Legora for the automation-versus-collaboration decision in more depth, and Harvey vs CoCounsel for the drafting-versus-research trade-off. The individual explainer guides for Harvey, Legora, and CoCounsel cover each platform's full feature set.


The Verdict

Match the platform to the job, not the brand. Pick Harvey when agents need to run drafting and diligence with minimal hands-on steering. Pick Legora when a connected team workspace and client-facing collaboration matter more than raw automation. Pick CoCounsel when the daily job is finding and citing controlling authority.

Many large firms end up running two of the three rather than one, most often Harvey or Legora for production work alongside CoCounsel for research verification.

This verdict would change if Harvey or Legora published transparent per-seat pricing instead of quote-based contracts. That would narrow the cost gap that currently pushes many budget-conscious firms toward CoCounsel's clearer tiers. A firm not yet on Westlaw should also re-run this comparison after pricing that subscription in, since it changes CoCounsel's real total cost.

Sources & Disclaimer

Researched from primary vendor documentation and public regulator sources. Pricing and availability are accurate as of Aug 27, 2026 and can change — confirm current terms with each vendor before you buy.

Frequently Asked Questions

  • It depends on the job. Harvey is best for agentic drafting and diligence with minimal hands-on work. Legora is best for a connected, collaborative workspace, including firm-to-client sharing. CoCounsel is best for authoritative legal research grounded in Westlaw case law.
  • Yes, on published pricing. CoCounsel starts near $225 per user per month for document work, rising to about $550 with Westlaw research. Legora runs roughly $200 to $500+ per user per month with a $30,000 minimum. Harvey is quote-based, with a median contract near $175,000 per year.
  • Yes. It is common for a large firm to run Harvey or Legora for production drafting and diligence, then use CoCounsel to verify controlling authority with cited Westlaw research. The tools solve overlapping but distinct jobs, so combining two is not redundant the way it would be with three similar products.
  • CoCounsel, because its tiers scale down to document-only work for smaller research-driven practices. Legora carries a roughly 10-seat, $30,000-a-year practical minimum. Harvey targets AmLaw and large in-house teams first, though it does offer a mid-market tier.
  • Not comfortably. All three price for teams, not solo practitioners, and Harvey's and Legora's contracts run into the tens or hundreds of thousands of dollars a year. A small or solo firm should review lower-cost alternatives sized for a single user before shortlisting any of these three.
  • Partly. Harvey offers research through its Knowledge product and a LexisNexis content partnership. CoCounsel's research is grounded directly in Westlaw case law with verified citations, though, which firms doing heavy research work generally consider deeper for authority-based questions.
  • Harvey's enterprise procurement and onboarding typically runs six months or more before firm-wide use. CoCounsel is faster for a firm already on Westlaw, since staff already know the underlying research interface. Legora sits in between: its Microsoft 365 tie-in shortens setup, but a 10-seat minimum still means training a full practice group before it earns its price.
  • The tool sits underused while the firm keeps paying for it. A firm that buys Harvey for its agents but whose real bottleneck is getting partners to review drafts together ends up running the same manual review process alongside an unused automation budget. Naming the actual daily bottleneck before signing, not after, is what prevents that outcome.

Choosing Between Harvey, Legora, and CoCounsel?

Layer3 Labs runs a vendor-neutral AI workflow audit for legal teams. We map how your firm actually works, then recommend Harvey, Legora, CoCounsel, or a combination, based on your budget and rollout timeline.

Book Your Free AI Workflow Audit