The productivity paradox: Rethinking legal billing in the age of AI
AI is changing legal work faster than billing models can keep up. Here are two emerging approaches Australian firms are using to price AI fairly.
When I speak with lawyers across Australia, one theme comes up again and again: AI is changing the work, but the billing model has not yet caught up. It is a question I have been thinking about a lot, both as a lawyer and as the CEO of a legal AI company. The market is moving quickly, and the firms that get this right will be the ones who shape what comes next.
The paradox no one wants to talk about
The Australian legal market is grappling with what commentators are calling a "productivity paradox": the more efficient firms become using AI, the less they earn under traditional time-based billing models. And regulators are watching. It is foreseeable that the Legal Services Commission may see a rise in complaints against lawyers for failing to pass on fee reductions where AI has been used. Regulators are likely to treat this as more than a commercial dispute, examining whether the lawyer has complied with their fiduciary, ethical, and costs disclosure obligations.
The smarter play is using AI to deliver more value, not to quietly pocket the time savings. For smaller practices, the opportunity goes even further. AI does not just help you work faster. It means you no longer have to turn clients away or take on more staff to keep up during a busy period. If you are at capacity, a smarter workflow creates room to do more with what you already have. That is not just efficiency. That is growth.
The market is already responding
Even before the AI started rapidly disrupting our profession, fixed fee arrangements, subscription-based legal services, and alternative billing models quickly gained momentum across Australia, driven by client demand for transparency and predictability. Today, among mid-sized Australian firms, 64% offer flat fees and 27% have adopted subscription-based pricing. That is a significant shift away from the traditional hourly billing model.
Firms adjusting their pricing in response to AI are broadly doing one of three things. Some are increasing prices, reflecting the higher value of AI-augmented work. Some are reducing them, passing efficiency gains directly to clients. And some are doing something more deliberate: introducing AI-specific fees as a transparent line item in their costs agreements. It is that third approach that deserves a closer look.
Two models are emerging.
Model one: the flat AI services fee
The first is the flat AI services fee. Rather than absorbing AI subscription costs as overhead or quietly building them into hourly rates, the lawyer names the charge openly and explains what it delivers in their cost agreements.
This is not a new concept in principle. Law firms have long passed on disbursements like photocopying. AI is simply the latest tool that carries a real cost and produces a tangible benefit. The difference is that, unlike a photocopy, AI materially changes the quality and speed of the work. Research that once took a junior lawyer half a day can be completed in minutes. Briefs that would have taken days to compile are ready in hours.
When you are upfront about it, clients accept this fee without hesitation, especially when their overall bill comes down. The trade-off is simple: a small technology fee in exchange for faster turnaround and more thorough work. For the lawyer, it also means the tools making your practice more efficient are not quietly eating into your margin.
Model two: AI as a billable team member
The second model is more ambitious. Rather than treating AI as an overhead to be recovered, this approach positions AI paralegal work as directly billable activity: work that is logged, tracked, and charged against the cost agreement just as any other professional service would be. The AI does not sit behind the scenes reducing the lawyer's time. It sits alongside the lawyer as a productive member of the team.
This model has begun to take shape in family law, where AI tools are now being used to autonomously source financial disclosure documents, prepare balance sheets, compile disclosure schedules, and draft consent order applications. Work that would otherwise fall to a human paralegal is completed in hours rather than weeks, and that work is billed directly to the matter. The overhead concern disappears entirely, because the tool earns more than it costs.
Where to from here
Both models can coexist, and both are preferable to the alternative, which is doing nothing and hoping clients do not notice. They will notice. And increasingly, they are asking.
The firms getting ahead of this are not the ones with the biggest budgets or the most sophisticated tech teams. They are the ones willing to have an open conversation with their clients about how the work gets done and how it is priced. That conversation is not always comfortable, but it is the one our profession needs to have.
Shelley Burger is the Global CEO of LawY, and a commercial lawyer. To explore how LawY can help your firm reclaim hours every week, visit lawy.ai.
