Compare Documents in Seconds, not Hours
Upload two or more contracts and instantly see every difference. Traditional redline view, traditional side-by-side comparison, and new AI-powered clause-by-clause risk analysis—all in one place
Everything You Need
To Compare Documents
See exactly what changed between two versions of any document
Redline Comparison
See additions, deletions, and modifications clearly highlighted. Just like track changes, but instant.
Side-by-Side View
View both documents next to each other with changes synchronized and easy to compare.
Clause-by-Clause Breakdown
AI automatically segments documents into clauses and shows you what changed in each section.
Multi-Version Tracking
Compare up to 10 versions of a document to see how terms evolved through multiple rounds of negotiation.
Custom Playbooks
Save your standard terms and compare incoming documents against your preferred language (Coming Soon).
Export to Word & PDF
Download your comparison as a professional redline document ready to share with your team or the other side.
How It Works
Compare documents in three simple steps.
Upload Documents
Drop your PDF or Word documents. Upload the original and the revised version.
Instant Comparison
Get a complete breakdown of every change in seconds—no manual review needed.
Export Comparison
Toggle between redline and side-by-side views. Export to team or otherside when you’re ready.
Stop Comparing Documents Manually
Reading through two or more versions of a document line by line takes forever and you still might miss something. goHeather catches every change instantly.
Fast
100%
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Why thousands of businesses choose goHeather for contract AI
Draft, review and negotiate contracts with AI your whole team can use, at a price built for businesses.
Legal AI built by lawyers
Co-founded by lawyers and AI engineers. goHeather Contract AI reads legal language across jurisdictions and flags key issues and precedent.
Purpose-built contract workflows
Dedicated drafting and review workflows tie every finding to the exact clause and show edits live in your document as tracked changes you approve.
Contract AI for lawyers and non-lawyers
Built for in-house counsel, sales, finance, HR, procurement and business owners, with a plain-English explanation for every finding.
Drafts and reviews contracts
Draft from scratch, past agreements or term sheets. Review incoming contracts and redline in Microsoft Word or the web app.
Custom contract playbooks
Check every contract against your preferred terms. A goHeather lawyer helps you turn how your team negotiates into rules applied to every contract you review.
Consistent contract review at any volume
The same standard on every contract, whoever runs the review, at high volume and without adding headcount.
Shared across your contract team
Share playbooks, documents, rules and outputs across departments, with our support for setup, rollout and training.
Runs on the latest AI models
Uses models from OpenAI, Anthropic, Google and Meta, updated regularly, and integrates with your existing tools.
Secure and proven
Your contracts stay confidential on secure infrastructure built to scale. Used by universities, governments and businesses in manufacturing, construction, SaaS, professional services and logistics.
Free trial, lower pricing, no contract floor
Free trial, no credit card required, and no entry-level contract floor, so you can start small. Lower pricing than legal AI built for large law firms, such as Harvey and Legora.
Step Into the Future of Legal AI
Join thousands of legal professionals ready to transform their workflow.
Reserve your spot today
Secure your spot on the waitlist and be the first to try our next-generation platform.
The Only AI Legal Platform You’ll Ever Need
Document Comparison features are coming soon to the goHeather app. Join now for professional contract analysis and be one of the first to try out our new features.