Harvey vs Thomson Reuters CoCounsel vs Lexis+ AI: Real Legal AI Cost per Lawyer in 2026
Harvey does not have a pricing page. Its pricing URL returns a 404. Every dollar figure attached to Harvey in this article is reported — triangulated from leaked quotes, procurement trackers, and buyer forum threads that converge with unusual consistency around the same numbers, but none of it is Harvey's own published word. This is one of the clearest cases on NotCheapAI of a category where pricing opacity is itself the story.
The short answer
Harvey is reported, with striking consistency across many independent sources, at roughly $1,200 per seat per month base, doubling to roughly $2,400 per seat per month with a LexisNexis content bundle — carrying a reported 20-to-25-seat minimum and a 12-month commitment. That structure means a solo lawyer or a very small firm pays for seats it doesn't use: at the reported 20-seat floor, a solo practitioner's effective annual cost is the same $288,000 a 20-lawyer firm would pay, but divided across one person instead of twenty. CoCounsel and Lexis+ AI (now largely rebranded around Protégé) are both reported in a much lower $200–$500 per user per month band, though neither publishes pricing either, and CoCounsel's Legal product pricing should never be assumed to match CoCounsel's Tax or other professional-product pricing, which are separate lines of business with separate economics.
What's publicly known, and what isn't
| Harvey | CoCounsel (Legal) | Lexis+ AI / Protégé | |
|---|---|---|---|
| Public rate card | None — harvey.ai's pricing URL returns a 404 | None | None — requires a sales call |
| Reported base rate | ~$1,200/seat/month, converging across at least four independent leaked-quote sources | Reported $220–$500/seat/month across tiers (On Demand per-task ~$50–$75/task; Core ~$225; with Westlaw Precision ~$428; "All Access" ~$500) | Reported $200–$400/seat/month (a wider historical range of $128–$494 also circulates, reflecting genuine source disagreement) |
| Reported premium tier | ~$2,400/seat/month with LexisNexis content (caselaw, statutes, Shepard's) bundled — roughly double the base rate | Not itemized as a distinct top tier beyond the ~$500 "All Access" figure | Not itemized beyond the reported range |
| Reported seat minimum | 20–25 seats | Not confirmed | Not confirmed |
| Reported contract term | 12 months | Not confirmed, though annual terms are standard across this category | Not confirmed, though annual terms are standard across this category |
| Renewal behavior | Reported capable of 25–50% price increases at renewal and still undercutting a comparable CoCounsel-plus-Westlaw bundle at roughly $3,000/seat — a claim from a third-party source, not independently verified here | Not itemized in available sources | Not itemized in available sources |
| Target buyer | AmLaw 100 firms and large corporate legal departments, per consistent positioning across sources | Broader mid-market and large-firm legal research and drafting | Broader mid-market, particularly firms already invested in the LexisNexis ecosystem |
Why the same reported Harvey rate produces wildly different per-lawyer economics
Harvey's reported 20-seat minimum means the effective cost per actual practicing lawyer depends entirely on how many real lawyers a firm has relative to that floor. Using the reported $1,200/seat/month base rate:
| Firm size | Seats actually billed (20-seat minimum applies) | Reported annual cost | Effective cost per actual lawyer |
|---|---|---|---|
| Solo/small firm (1 lawyer) | 20 | $288,000/year | $288,000/year |
| 10-lawyer firm | 20 (minimum still applies) | $288,000/year | $28,800/year |
| 50-lawyer firm | 50 | $720,000/year | $14,400/year |
| 250-lawyer firm | 250 | $3,600,000/year | $14,400/year |
The effective per-lawyer cost falls by a factor of 20 between the solo scenario and the 50-lawyer scenario, purely because the seat minimum stops being the binding constraint once a firm's actual headcount exceeds it — a structural fact about Harvey's reported pricing, not a feature of legal AI generally. With the reported LexisNexis bundle, every figure in this table roughly doubles.
CoCounsel and Lexis+ AI at the same firm sizes
Using the reported per-seat ranges directly (no seat minimum reported for either, so cost scales linearly with actual headcount):
| Firm size | CoCounsel (reported $220–$500/seat/month) | Lexis+ AI / Protégé (reported $200–$400/seat/month) |
|---|---|---|
| 1 lawyer | $2,640–$6,000/year | $2,400–$4,800/year |
| 10 lawyers | $26,400–$60,000/year | $24,000–$48,000/year |
| 50 lawyers | $132,000–$300,000/year | $120,000–$240,000/year |
| 250 lawyers | $660,000–$1,500,000/year | $600,000–$1,200,000/year |
At every firm size modeled, both CoCounsel's and Lexis+ AI's reported ranges sit well below Harvey's reported figures — even accounting for the fact that Harvey's numbers benefit from scale (the 50- and 250-lawyer rows) while CoCounsel's and Lexis's don't carry a comparable seat-minimum penalty at small scale.
Do not confuse CoCounsel Legal with CoCounsel Tax
Thomson Reuters sells CoCounsel across multiple professional-service lines — Legal, Tax, and others — and these are reported to carry genuinely different pricing structures and target buyers. Every CoCounsel figure in this article refers specifically to the Legal product line; a published or reported Tax-product price should never be substituted into a law-firm budgeting exercise, and this article does not do so.
What the advertised (or leaked) price misses
- Harvey's seat minimum is the single biggest driver of small-firm economics — a firm below 20 lawyers should model the reported 20-seat floor explicitly rather than assuming cost scales with actual headcount the way it does for CoCounsel or Lexis.
- Implementation, security review, and knowledge-base setup are not itemized in any reported figure for any of the three — enterprise legal AI deployments commonly involve firm-specific document ingestion, security and compliance review (especially for firms with client confidentiality obligations that go beyond standard SaaS due diligence), and integration with existing document management systems, none of which appears in the reported per-seat rates above.
- CoCounsel's per-task On Demand option (reported $50–$75/task) is a genuinely different economic model from its per-seat tiers, useful for firms with occasional, spiky usage rather than sustained daily use across the whole team — a firm should model actual expected task volume against both pricing structures before assuming the per-seat rate is always cheaper.
- Renewal pricing is reported as a real risk specifically for Harvey, with one source describing 25–50% price increases as plausible while still remaining competitive against a comparable CoCounsel-plus-Westlaw bundle — this specific claim comes from a single third-party source and is not independently corroborated here, but the general pattern of steep AI-vendor renewal increases is consistent with reporting across the broader legal AI category.
Break-even: billable hours saved per lawyer
Using an illustrative $350/hour loaded internal cost (a rough proxy for either a firm's realized billing rate or the value of a lawyer's time, not a specific vendor or market figure), and Harvey's reported base-tier annual cost at each firm size:
| Firm size | Reported annual Harvey cost | Billable hours needed to break even | Hours per lawyer |
|---|---|---|---|
| Solo (1 lawyer, 20-seat minimum) | $288,000 | 823 hours | 823 hours — over 15 hours a week, an extremely demanding bar for one person |
| 10-lawyer firm (20-seat minimum) | $288,000 | 823 hours | 82 hours per lawyer — a much more plausible annual bar spread across ten people |
| 50-lawyer firm | $720,000 | 2,057 hours | 41 hours per lawyer |
| 250-lawyer firm | $3,600,000 | 8,571 hours | 34 hours per lawyer |
At firm sizes near or below Harvey's reported seat minimum, the break-even bar is genuinely difficult to clear — a solo practitioner would need to save or redirect over 800 hours of billable-equivalent time in a year, which is not a realistic outcome for a research-and-drafting assistant no matter how effective it is. At 50 lawyers and above, the bar drops to a range (34–41 hours per lawyer per year, under 1 hour a week) that a genuinely time-saving tool could plausibly clear — which is consistent with Harvey's reported positioning toward large firms specifically rather than small practices.
AI-generated work does not replace billable work one-for-one
This break-even model assumes every hour of time the AI saves converts directly into either avoided cost or redirected billable capacity — a simplifying assumption this article states explicitly rather than leaving implicit. In practice, time saved on research or first-draft generation may be reinvested in higher-value analysis, client development, or simply reduced overtime rather than additional billable output, meaning the realized financial return on saved hours is very likely lower than the hours-saved figure alone would suggest. A firm evaluating any of these three tools should model its own actual capacity utilization and realization rate, not just a raw hours-saved number, before treating the break-even hour counts above as a guarantee of payback.
Which tool fits which firm
- AmLaw 100 firms and large corporate legal departments are Harvey's reported target market, and the break-even math above is consistent with that positioning — the tool's reported economics genuinely don't work well below roughly 20–50 lawyers.
- Mid-market and smaller firms wanting legal research and drafting assistance without Harvey's reported seat minimum are better served by CoCounsel or Lexis+ AI, both reported at a fraction of Harvey's per-seat cost with no comparable minimum-seat penalty.
- Firms already deep in the Thomson Reuters or LexisNexis ecosystem have a natural reason to evaluate CoCounsel or Lexis+ AI respectively, independent of the pure price comparison, given existing research-platform integration.
- Any firm evaluating Harvey specifically should request the current seat minimum and 12-month term in writing before assuming any reported figure in this article still applies, given that none of it is confirmed by Harvey itself.
Limitations and uncertainty
None of the three vendors publishes pricing for their core legal AI products. Harvey's reported figures ($1,200 and $2,400 per seat per month, 20–25 seat minimum, 12-month term) show unusual consistency across at least four independent third-party sources, which this article treats as reasonably credible for a fully unconfirmed figure, but none of it is vendor-confirmed. CoCounsel's and Lexis+ AI's reported ranges show more spread across sources than Harvey's figures do, and this article uses the more narrowly-bounded recent estimates ($220–$500 and $200–$400 respectively) rather than the widest historical ranges found. The break-even calculation uses an illustrative $350/hour rate that is this article's own assumption, not a vendor or market-confirmed figure, and the entire break-even framework assumes a direct, one-to-one conversion of saved time into realized value that real firms should not take for granted.
Sources
Checked late September 2026. None of the three vendors publishes pricing. Harvey's reported figures are drawn from multiple independent third-party sources including buyer forum threads, procurement analyses, and industry reporting that converge closely on the same numbers. CoCounsel and Lexis+ AI figures are drawn from multiple independent third-party pricing analyses and procurement trackers.