Legal AI for contract comparison
Every change between versions, classified before you sign.
Vaario compares two versions of a contract, shows what changed and estimates the impact of each change. Or upload a single document and ask it. The decision stays yours.
Invite-only access · Text encrypted at rest · AI processed in the EU
Workflow
Three steps, no spreadsheets
- 01
Upload both versions
DOCX or PDF. Vaario extracts the text and aligns the clauses of one version with the other.
- 02
Review the classified changes
Added, removed and modified, each with a High, Medium or Low impact and the reasoning behind it.
- 03
Decide, clause by clause
Approve or leave in review. Every decision goes to the audit trail, with author and date.
Side-by-side
The liability cap changed. You will know in the first minute.
The contract renders in its own formatting, one version next to the other. On the right, every change with its impact.The contract renders in its own formatting. Below it, every change with its impact.
A single document
You do not need a second version to ask.
Upload one contract and ask the assistant. The document on the left, the conversation on the right.Upload one contract and ask the assistant, without setting up a comparison.
A summary
What the contract is about and what it binds each party to.
A specific clause
Select a passage and the question is about it.
The risks in it
A risk review of the document, section by section.
Your guidelines
Check the contract against your firm’s review guidelines.
In every comparison
What you see, and what you can do with it
Overall risk
An assessment of the revised contract as a whole, before you get into the detail.
Impact per change
High, Medium or Low on every detected change. Not a flat diff where everything weighs the same.
Ask about the changes
Chat about the comparison and its changes, steered by the review guidelines your firm sets.
Audit trail
Who approved what, and when. Comments, manual edits and AI proposals, kept apart.
Export to Word or PDF
Download the comparison as DOCX or PDF, or the original with edits as Word tracked changes.
A link for the other side
Share a comparison through a guest link. Revoke it whenever you like.
Security
Client documents, treated as such
Professional privilege is not a compliance checkbox. It is the reason the system is built this way.
How we protect a documentEncrypted at rest
Extracted text is encrypted in the application before it reaches the database.
AI inside the EU
AI requests can only be served from data centres in the European Union.
Isolated per account
Row-level security: an account can reach only its own data.
Links that expire
Files are reached through signed links that expire within one hour at most.
If you still compare versions by hand, this gives you the afternoon back.
Vaario is in closed availability. If your firm already has access, sign in with your work email.