Harvey. vs Sirion
Harvey. vs Sirion, compared side by side on 16 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Harvey. is on 61/100 and Sirion on 44/100.
Where each one leads
Harvey.
- our overall score: 61/100 against 44/100
- agent readiness: 36/100 against 25/100
- domain rating: 76/100 against 67/100
- funding raised: $500M against $171M
Sirion
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Harvey. | Sirion |
|---|---|---|
| What it is | AI platform for legal work, specializing in contract review and legal research. | The only AI-native CLM platform that helps enterprises manage the complete contract lifecycle on a single platform. |
| Category | Legal & Compliance, LegalTech, Foundation Model, Large Language Model | Contract Lifecycle Management, Artificial Intelligence, Enterprise Software, LegalTech |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2022 | 2007 |
| Headquarters | New York, United States | Seattle, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Harvey. | Sirion |
|---|---|---|
| Employees | 1,460 | Not published |
| Headcount growthLast 12 months | +145.9% | Not published |
| Total funding | $500M | $171M |
| Latest round | Funding Round | Majority Investment |
| Valuation | $16B | Not published |
| LinkedIn followers | 155,165 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Harvey. | Sirion |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 44/100 |
| Traction | 60/100 | 40/100 |
| Team | 60/100 | 60/100 |
| Community | 15/100 | Not published |
| Search visibility | 25/100 | 18/100 |
| Quality | 68/100 | 45/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (36/100) | F (25/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 67/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Harvey. | Sirion |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Not detected |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Google Tag Manager | Not detected |
What users say
| Measure | Harvey. | Sirion |
|---|---|---|
| Reddit sentimentThreads we track | 2 positive, 1 negative across 5 threads | Not published |
“I thought for a while that biglaw was pretty far behind other industries in adopting AI for regular workflows, mainly because legal AI offerings sucked. But my experience with Harvey has changed my mind and I think it’s pretty undeniable th”r/biglaw
Harvey. vs Sirion: common questions
Which is better, Harvey. or Sirion?
On our 0-100 score Harvey. rates higher (61/100 against 44/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 16 data points above: read the rows that match what you are buying for.
How do Harvey. and Sirion compare on the numbers?
Harvey. leads on our overall score (61/100 against 44/100), agent readiness (36/100 against 25/100), domain rating (76/100 against 67/100), funding raised ($500M against $171M).
What do real users say about Harvey. and Sirion?
Harvey.: 2 positive and 1 negative mentions across 5 Reddit threads we track, mostly in r/biglaw.
Read the full Harvey. review and pricing or the Sirion review and pricing. You can also browse other Harvey. alternatives we track.

