Two law firms buy the same contract AI this quarter. A year later one is billing the same clients less for the same drafting. The other has lost the drafting to those clients entirely, who now run it in-house and only call when something breaks.
Coverage still treats “AI is coming for legal work” as one weather system. A funded product is sold to someone. In legal that buyer is usually the firm, as a copilot on the associate’s first pass, or the in-house team or consumer who stops sending the work out. One path cuts the hours under a matter you keep. The other moves the matter inside the client.
About half the funded field never plans to sell to you. It sells to the people who used to hire you.
What the funded field shows
We sorted about 170 AI companies selling into legal work by each company’s own stated go-to-market. Eighty-seven sell to firms. Eighty-three sell around them. The census is public as The AI Exposure Index: Law. The same field is downloadable as JSON or CSV (reviewed 2026-07-20) for citation with attribution. If a company is missing or on the wrong side of the spine, send a correction with a source.
The near-even split dissolves once you sort by practice. The dividing rule is simple: if the client can do the work themselves, capital sells around the firm. If the work still needs the lawyer, capital sells to the firm as a copilot. The Index maps that practice by practice. This post does not rebuild the list. It tells you how to read it.
Most dollars are still on the clock
Roughly 90% of US legal revenue is still billed by the hour (Thomson Reuters / Georgetown, State of the US Legal Market 2026, Legal Tracker e-billing). That is why a firm’s exposure math still starts on the hourly book. More firms now offer flat fees somewhere: in 2024 only 41% billed exclusively hourly, and 59% used flat fees alone or next to hourly rates (Clio, Legal Trends Report 2025). The menu is moving. The book has not.
A client who has bought one fixed-fee, AI-assisted contract review will not go back to paying for the hours it used to take. Partners who free associate time with copilots and leave the rate card alone still hand the discount without a vote on the share that remains hourly.
The invoices haven’t moved yet
Among firms using AI only partially, 70% have made no pricing changes at all (Clio, Legal Trends Report 2025). Sixty percent of in-house counsel still report no billing savings from their outside firms (ACC/Everlaw). The tools are in the building. The invoices haven’t moved.
That lag is what a leading indicator looks like when you’re still on the wrong side of it. Funders have already chosen sides on each practice. Repricing shows up first, in realization rates a partner can feel this year. Replacement capital arrives later, aimed at practices where the client was always one capable tool away from doing the work alone.
John Armour and colleagues, in “Augmented Lawyering,” describe legal work migrating to organizations not bound by professional rules, corporate in-house teams and alternative legal service providers. That is the replacement path. The Index shows where that capital is already sitting.
A practice sold around you is not a tooling problem
Buying the same copilots competitors buy changes the cost of production and nothing about what the firm sells. That is how a firm pays to sit inside the repricing on the hourly share of the book.
A practice already sold around you on the map is competing with a client who can run the first pass without you. The old matter-based fee for that work is the problem, not which associate copilot you licensed. What you sell instead is still a partnership decision. For the practice-level map, open The AI Exposure Index: Law.