AI Tools for Solo Lawyers: Best Picks and Prices

The artificial intelligence (AI) tools solo lawyers buy fall into seven groups: general assistants such as ChatGPT, Claude and Microsoft 365 Copilot; contract review such as Gavel Exec; legal research such as Lexis+ with Protégé; practice management such as Clio; document automation; intake; and litigation case-file tools such as DocuLex. Start with one general assistant and one legal tool for the work you bill most.

Firms of two or three lawyers buy from the same groups and get more from tools that share playbooks and templates. Prices come from each vendor's website, checked October 30, 2026.

Key takeaways

• Pick tools by the work you bill most: contract review in Microsoft Word for transactional solos, legal research AI with citation checks for litigators.
• Before a general assistant sees client documents, use a business plan or opt out of model training. ChatGPT Business and Claude Team cost $20 per user per month billed annually and do not train on your content by default, but both require two seats.
• Gavel Exec costs $160 per user per month with 25 free queries. Lexis+ with Protégé and Clio Work do not publish prices, and Thomson Reuters lists CoCounsel Legal from $551.85 per month for solo and small firms.
• In the American Bar Association (ABA) 2024 AI TechReport, 17.7% of solo practitioners said their offices used AI-based tools, against 30.2% of all respondents.
• ABA Formal Opinion 512 allows billing for time spent entering information into a tool and reviewing its output, and says you may not bill for learning a tool you will use regularly.

Last updated October 30, 2026; Clio plan details updated November 10, 2026. Gavel publishes this guide and makes Gavel Exec and Gavel Workflows. Other vendors' features and prices are stated as their own websites describe them.

What are the best AI tools for solo lawyers?

The best AI tools for a solo lawyer take over the work you repeat most: drafting and reviewing contracts, research, answering the phone and assembling documents. The table gives our pick or the main options in each category.

For accounting, billing and document management, see our guide to the best software for law firms. Our glossary of AI terminology for lawyers defines any unfamiliar term.

How many solo lawyers use AI?

Fewer than one in five solo practitioners reported using AI tools in the ABA's 2024 Artificial Intelligence TechReport. In that survey, 17.7% of solo practitioners said their offices were using AI-based technology tools, compared with 30.2% of all respondents and 47.8% at firms of 500 or more lawyers.

Asked which AI research tools their firms had adopted or were seriously considering, respondents most often named ChatGPT (52.1%), Thomson Reuters CoCounsel (26.0%) and Lexis+ AI (24.3%, now Lexis+ with Protégé). Accuracy was the top concern (74.7%), followed by reliability (56.3%).

Can solo lawyers use ChatGPT, Claude or Microsoft Copilot for client work?

Yes, if you choose a plan that does not train on your content and you check every output. General assistants can produce first drafts, summaries, client emails and plain-English explanations. Treat any case they cite as unverified until you have pulled it yourself.

A solo with no staff still pays for two seats on ChatGPT Business or Claude Team, $40 per month on annual billing; the second seat can go to a paralegal or assistant. On ChatGPT Plus or Claude Pro, opt out of model training before you paste in anything from a client file.

Microsoft 365 Copilot works inside Word, Excel, PowerPoint and Outlook, and Microsoft states that, with enterprise data protection, prompts and responses stay within the Microsoft 365 service boundary. Copilot Business is an add-on to an eligible Microsoft 365 business plan, which is priced separately. For prompts and examples, see how lawyers use ChatGPT and Claude.

What AI tool should a solo lawyer use for contract review?

Use a contract review tool that works inside Microsoft Word and applies your own negotiating positions. Our pick is Gavel Exec, which redlines the whole agreement as tracked changes, explains each edit and publishes its price.

Gavel Exec is AI contract review and drafting software that runs in Microsoft Word as an add-in and on the web. It returns priority-ranked tracked changes, margin comments and a list of missing terms, applies built-in playbooks or rules generated from your checklists and signed agreements, and benchmarks provisions as on-market, off-market or missing. It costs $160 per user per month, or $1,740 per user per year, with 25 free queries per user and no credit card.

Gavel Exec holds System and Organization Controls (SOC) 2 Type II certification, has Zero Data Retention agreements with its AI model providers and does not use customer data to train models. Gavel is used by over 2,000 legal organizations in 28 countries, Relativity acquired Gavel in June 2026, and Gavel Exec is integrated with Relativity aiR.

Martin Algie of MIA Contract Lawyers, a solo practitioner who reviews supply and license agreements for pharmaceutical distributors in Australia, cut first-cut review from about 15 hours to about 5 hours per contract; his paralegal runs a playbook of close to 80 rules and he finalizes the draft. David Austin, a solo commercial real estate attorney, reviews contracts against his own criteria and uses Gavel Exec as a thought partner, asking questions in the chat window because he has no colleague down the hall.

Spellbook also runs as a Word add-in, prices by team size on request and offers a 7-day free trial. Thomson Reuters' CoCounsel Legal drafts and reviews in Word and lists CoCounsel Legal from $551.85 per month for solo and small firms. See the best AI contract review tools for lawyers for ten tools side by side and how to redline contracts with AI for the workflow.

Which legal research AI tools work for solo practitioners?

Three options to look at are Lexis+ with Protégé, Thomson Reuters CoCounsel Legal and Clio Work. Each answers research questions from a legal database with citations and drafts from the results. None publishes a price, so ask for a solo quote and a trial.

LexisNexis renamed Lexis+ AI to Lexis+ with Protégé in February 2026. Whichever tool you use, open each case it cites and confirm the holding and its treatment before the citation goes into a brief.

Which practice management software has AI built in?

Clio and 8am MyCase both sell AI features. Clio includes AI in its Clio Manage plans from Core up, and 8am MyCase includes its 8am IQ assistants in the Pro and Advanced plans.

Clio starts at $49 per user per month on Starter, which has no AI. Core and higher plans, which Clio prices on request, add AI that drafts bills on a schedule, turns documents into calendar events and tasks, and drafts client updates from matter activity; AI legal drafting comes with select plans or add-ons through Clio Work. Gavel Workflows connects to Clio Manage; see how Gavel and Clio work together.

8am MyCase Basic costs $50 per user per month billed annually and lists no AI features. Pro, at $100, adds the 8am IQ Writing and Document Assistant, and Advanced, at $130, adds the 8am IQ Case Assistant and Discovery Assistant (billed annually). Choose practice management first, because intake, billing and document automation connect to it.

What should a solo lawyer use for document automation and intake?

Automate any document you produce from the same template every week, and put an answering service or online questionnaire in front of new inquiries. Gavel Workflows handles documents and online intake, and Smith.ai answers the phone.

Gavel Workflows is legal document automation software for law firms. It turns your Word and Portable Document Format (PDF) templates into questionnaires with conditional logic, so one set of answers produces a full document set with only the clauses that apply. Clients complete intake through a client portal, and it connects to Clio Manage, Docusign and Zapier. Plans start at $83 per month with a 7-day free trial, and you can start from the legal template library; the legal document automation guide covers setup.

Smith.ai offers an AI Receptionist with a free plan of 25 calls a month and a Pro plan from $150 per month, and human receptionist plans from $300 per month for 30 calls that include lead screening and intake. The human plans offer per-call add-ons for appointment booking, conflict checks and text or email follow-up, the AI plans include scheduling, and both list a Clio integration.

Are there AI tools built for solo litigators?

A few platforms organize a litigator's case file and answer questions about it. DocuLex is one, built for litigation attorneys and paralegals with an emphasis on personal injury cases.

DocuLex is cloud software that stores case data, evidence and pleadings in a litigation database, searches across those files, answers questions about uploaded case materials through a chatbot and drafts interrogatory answers from the stored data. Its site lists drafting of correspondence, settlement demands and pleadings, and medical visit summaries by provider and date, as coming soon. An attorney seat costs $99 per month with unlimited matters, 250 gigabytes of storage and one free staff seat; additional staff seats cost $29 per month each, up to two per attorney seat, and AI usage is billed by the token.

For e-discovery software sized for smaller matters, see the e-discovery section of our law firm software guide.

What does ABA Formal Opinion 512 require of solo lawyers using AI?

ABA Formal Opinion 512, issued July 29, 2024, applies the existing Model Rules of Professional Conduct to generative AI. The four duties that come up daily are competence, confidentiality, communication and fees.

• Competence (Rule 1.1): you owe the knowledge, skill, thoroughness and preparation the matter requires, so review a tool's output as carefully as any draft you sign.
• Confidentiality (Rule 1.6): the duty covers all information relating to the representation unless the client gives informed consent, so read each tool's training and retention terms before you upload a client file.
• Communication (Rule 1.4): you must give clients the information they should receive, which can include how AI is used on their matter.
• Fees (Rule 1.5): if you spend 15 minutes entering information into a tool to draft a pleading, you may bill that time and the time spent reviewing the draft. You should not bill for time spent learning the tool.

Check your own state bar's AI guidance as well.

How should a solo lawyer choose and roll out AI tools?

Start with the task that takes the most of your time, test one tool on a real document and add the next tool once the first is part of your routine.

1. List where your hours go. Track two typical weeks by task (drafting, contract review, research, intake calls and billing) and buy your first tool for the task that takes the most hours.
2. Match one tool to that block. Transactional work points to contract review in Word, litigation to legal research AI and heavy call volume to an answering service.
3. Read the data terms before you upload anything. Ask for a System and Organization Controls (SOC) 2 Type II report, a commitment not to train on your content and Zero Data Retention agreements with the vendor's AI model providers.
4. Run the trial on a real document. Use a closed matter or remove client names. Gavel Exec gives 25 free queries, Spellbook and Gavel Workflows offer 7-day trials and Lexis+ with Protégé a 2-day trial.
5. Write a one-page AI policy. Record which tools you use, what client data goes into each, who reviews output and how you bill for it, and add matching language to your engagement letter (boilerplate alone is not informed consent under Opinion 512).
6. Add up the full cost. Compare annual and monthly billing, minimum seats, add-ons and usage charges.

For the questions to put to each vendor, see security questions to ask legal software vendors.

How much do AI tools cost for a solo law firm?

General assistants cost $17 to $25.20 per user per month. The legal tools in this guide that publish prices start between $49 per user (Clio Starter) and $160 per user per month (Gavel Exec), and legal research AI is quoted.

A transactional solo who buys two Claude Team seats billed annually ($40), Gavel Exec ($160) and 8am MyCase Pro billed annually ($100) pays $300 per month. A personal injury solo with a DocuLex attorney seat ($99), two ChatGPT Business seats billed annually ($40) and the Smith.ai AI Receptionist Pro plan ($150) pays $289 per month before DocuLex usage charges, Smith.ai calls beyond the plan's 75 a month and a research subscription.

Frequently asked questions

What is the best AI tool for a solo lawyer?

The right tool depends on the work you bill most: for contract work, our pick is Gavel Exec at $160 per user per month, and litigators should start with legal research AI such as Lexis+ with Protégé or CoCounsel Legal. Pair either with a general assistant on a business plan.

What AI tools work for a law firm with two or three lawyers?

A firm of two or three lawyers buys from the same categories as a solo and gets more from tools that let every lawyer use the same playbooks and templates. ChatGPT Business and Claude Team start at two seats, and Gavel Exec lets a firm share Projects and Playbooks with read-only or edit access.

Can I use ChatGPT for client work?

You can if you protect client information and check the output. Use ChatGPT Business, which does not train on workspace data, or opt out of training on ChatGPT Plus, and verify every citation before you rely on it.

How much do AI tools cost for a solo practitioner?

General assistants cost $17 to $25.20 per user per month, Gavel Exec $160 per user per month and Gavel Workflows from $83 per month. The legal research tools in this guide quote on request.

Can I bill clients for time spent using AI?

Yes, for time spent entering information into the tool and reviewing its output for accuracy and completeness. American Bar Association (ABA) Formal Opinion 512 says you should not charge a client for time spent learning a tool you will use regularly.

Do I need to tell clients that I use AI?

It depends on the matter and the tool. American Bar Association (ABA) Formal Opinion 512 says the facts of each case decide whether Rule 1.4 requires disclosure, and you must tell a client who asks. Before you enter client information into a tool that learns from its inputs, you need the client's informed consent, and the opinion says general boilerplate in an engagement letter is not enough. Check your state bar's guidance too.

Related reading: best AI contract review tools for lawyers, how to redline contracts with AI, AI terminology for lawyers and the best software for law firms. Try Gavel Exec free with 25 queries and no credit card.