Paxton AI vs. Gavel Exec: Litigation Workspace or Contract Redlining in Word?

What is Paxton AI, and who is it for?

Paxton AI is a legal AI workspace for litigation teams. Each matter holds its case files, research and drafts: Paxton finds facts, gaps and contradictions across the record, researches US federal and state law against the matter’s jurisdiction, and drafts motions, briefs, discovery responses and deposition outlines with citations you can click through. It also builds matter timelines, medical chronologies and medical billing summaries, features Paxton markets to personal-injury firms.

Paxton AI also markets itself to corporate lawyers for contract drafting, contract review and data-room diligence. Gavel Exec focuses on one of those jobs, contract review and drafting in Word, for transactional lawyers at firms and on in-house teams.

Who makes Paxton AI?

Paxton AI is an independent legal tech company. It says its team built CoCounsel at Casetext, and it raised a $22 million Series A led by Unusual Ventures in January 2025, for $28 million in total funding. Paxton is not a law firm, and it says communications with it are not protected by attorney-client privilege.

How do Paxton AI and Gavel Exec review a contract?

Paxton AI reviews contracts in its chat assistant. Its corporate law guide has you attach the counterparty’s draft, state your playbook positions in the prompt or attach a playbook document, and ask for a table of section, counterparty language, issue and suggested redline. You can then ask it to draft a redlined response, edit it in Paxton’s Canvas editor and download it as a .docx file. Saved Skills let a firm write its review instructions once and reuse them.

Gavel Exec reviews the contract inside the Word document. Run a built-in playbook or your own: each rule passes or fails, failed rules show a reason and a proposed change, and accepted changes go into the contract as tracked changes and comments, ready to send back to the other side.

Can Paxton AI redline a contract in Microsoft Word?

Paxton AI lists Word and Outlook plugins on its Enterprise plan but doesn’t publish which Word versions they support or how edits appear. On the Individual plan, Paxton is a web application and exports drafts as .docx files. Gavel Exec redlines inside Word for Windows, Mac and the web on every plan.

Illustration: reviewing a SaaS agreement for the customer

You represent the customer. The vendor’s draft renews automatically for another year unless the customer gives notice 10 days before the term ends. Your playbook calls for no automatic renewal without 60 days’ notice. The expected redline replaces “ten (10) days” with “sixty (60) days” and adds a requirement that the vendor send a renewal reminder. Check that the fee-increase and termination clauses still fit. You decide whether to accept, edit or reject it before the draft goes back. Done by hand, this is a clause-by-clause read against your checklist. Paxton AI’s guide shows this kind of review as a table in its assistant; Gavel Exec shows it as a failed rule and a tracked change in Word. This is an evaluation scenario, not a test we ran on either product.

Litigation and legal research: where Paxton AI fits

If most of your work is litigation, Paxton AI covers ground Gavel Exec doesn’t. Its research library covers US federal and state statutes, regulations and appellate case law, with an AI citator that checks whether a case is likely still good law. Matters stay current from Box, Dropbox, OneDrive and SharePoint without manual uploads, and the matter timeline cites each date back to its source document. Drafts can follow your firm’s or a court’s formatting template at download.

Is Gavel Exec a litigation tool?

No. Gavel Exec is built for transactional attorneys who review, negotiate and draft contracts, and Gavel says it is not a litigation or e-discovery tool. Relativity, Gavel’s parent company, offers e-discovery software and litigation support.

What you need first: Word, files and integrations

Gavel Exec needs a free account at exec.gavel.io and the add-in from Microsoft AppSource; an admin can enable it centrally in the Microsoft 365 admin center. You redline a specific document in the Word add-in; batch analysis and market benchmarking run in the web app. Quick Actions let you set a country and state or province, so review follows that jurisdiction’s conventions. Data is hosted on AWS in the US by default, with EU, Canada and Australia hosting available.

Paxton AI runs in the browser. Individual plans connect Box, Dropbox, OneDrive and SharePoint; Enterprise adds Word and Outlook plugins, iManage and NetDocuments connectors and a Claude integration. Its research library covers US law, so check fit before using it for matters under other countries’ law.

Does Paxton AI integrate with iManage or NetDocuments?

Yes, on its Enterprise plan, which also adds Word and Outlook plugins. Gavel Exec has no native iManage or NetDocuments integration today; Gavel asks firms that need one to talk to it about their setup first.

How much does Paxton AI cost vs. Gavel Exec?

Gavel Exec costs $160 per user per month or $1,740 per user per year, with 1,000 queries per user per month, after 25 free queries per user and no credit card. Teams of 10 or more get discounted pricing.

Paxton AI’s Individual plan costs $499 per user per month or $2,999 per user per year, chosen at sign-up. Enterprise pricing is custom. Paxton’s help center says purchases are non-refundable; you can cancel any time, effective at the end of the paid term.

How much does Paxton AI cost?

Paxton AI’s Individual plan costs $499 per user per month, or $2,999 per user per year billed up front. Enterprise plans, which add Word and Outlook plugins and DMS connectors, are priced by proposal. Older third-party listings with lower prices are out of date.

Is there a Paxton AI free trial?

Yes. Paxton AI offers a 7-day free trial; a credit card is required, and a temporary authorization hold may appear. Your chosen plan starts when the trial ends. Gavel Exec gives each user 25 free queries with no credit card.

Security and data: Paxton AI vs. Gavel Exec

Paxton AI says it is SOC 2, ISO 27001 and HIPAA compliant, encrypts data in transit and at rest, and never uses your matters, documents or prompts to train AI models. HIPAA matters if you handle medical records, as personal-injury firms do. Gavel Exec is SOC 2 Type II certified, keeps each customer’s data in an isolated database, and has Zero Data Retention agreements with its AI providers. Gavel security

Is Paxton AI SOC 2 certified?

Paxton AI says it is SOC 2, ISO 27001 and HIPAA compliant, but its security page doesn’t say whether its SOC 2 report is Type I or Type II. Ask Paxton for the report. Gavel Exec is SOC 2 Type II certified, verified by a third-party auditor.

Does Gavel Exec train AI models on my contracts?

No. Gavel says your documents are not used to train AI models and that it has Zero Data Retention agreements with its AI providers.

Related comparisons

• CoCounsel vs. Gavel Exec
• Harvey vs. Gavel Exec
• Spellbook vs. Gavel Exec
• All Gavel comparisons

Checked against Paxton AI’s and Gavel’s public pages on November 14, 2026. Method: editorial review by Richard Poelderl of Paxton’s website, pricing page, security page, trust site and help center, and Gavel’s Exec, pricing and security pages. Gavel publishes this comparison and sells Exec; Gavel has been part of Relativity since June 12, 2026. No hands-on comparative test was conducted.