Based only on the facts in our directory. The right pick still depends on the job you need done.
Lower starting price
Not comparable
Not comparable: Definely does not list a price
Free plan
Tie
Neither has one
Higher rating
Tie
4.0 against 4.0
Same job?
Yes
Both are Legal AI tools
Side by side
Compared on
Definely
LegalFly
Our rating
4.0
4.0
Starts at
Not listed
Not listed
Free plan
No
No
Category
Legal AI
Legal AI
Plans
See pricing
See pricing
Key features
AI drafting, editing, and proofreading built for complex negotiated documents
Catches defined-term errors and cross-reference mistakes in dense contracts
Nearly tripled annual recurring revenue in 2024
Works with roughly 100 in-house legal teams and law firms
$30M Series B led by Revaia, with legal tech company Clio participating
AI-native workspace for in-house legal, compliance, and procurement teams
Client and counterparty data anonymized by default before any analysis
Legally-trained AI agents built specifically for contract review workflows
Bank-level security architecture built for regulated, sensitive legal data
$16.3M Series A led by Notion Capital and Fortino Capital in July 2024
Pros
Founders' Big Law background shows in a focus on genuinely complex documents
Strong recent revenue growth validates real demand among legal teams
Backed by Clio, a legal tech company with direct category expertise
Default anonymization removes a manual privacy step other tools leave optional
Built specifically for in-house teams rather than law firm workflows alone
European regulatory perspective built in from the start, not retrofitted
Cons
Pricing isn't published, requires a sales conversation to get a quote
Narrower focus on document precision rather than full contract lifecycle management
Smaller company with less brand recognition than larger legal AI platforms
Subscription pricing isn't published, requires a direct sales conversation
Younger company, founded 2023, with a shorter track record than established competitors
Smaller funding scale than the largest legal AI platforms in this directory
Company
Definely, founded 2020
LegalFly, founded 2023
Prices come from each vendor's pricing page, last checked 20260715. Check the vendor before you buy.
FAQ
Questions people ask
Is Definely better than LegalFly?
In our reviews Definely scores 4.0 and LegalFly scores 4.0. The better pick depends on the job. Definely: Nearly tripled ARR in a single year, built by two former Freshfields lawyers. LegalFly: Bank-level security and default anonymization for in-house legal, compliance, and procurement teams.