645 Ventures vs Ada Ventures
645 Ventures vs Ada Ventures, compared side by side on 19 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: 645 Ventures is on 43/100 and Ada Ventures on 53/100.
Where each one leads
645 Ventures
- agent readiness: 32/100 against 21/100
Ada Ventures
- our overall score: 53/100 against 43/100
- headcount: 70 against 10
At a glance
| Measure | 645 Ventures | Ada Ventures |
|---|---|---|
| What it is | Venture capital firm focused on early-stage technology companies. | Venture capital firm investing in early-stage AI-native startups. |
| Category | Venture Capital, Technology, Artificial Intelligence, Software | Venture Capital, Artificial Intelligence, Technology |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2015 | 2020 |
| Headquarters | New York, USA | London, United Kingdom |
| Status | Active | Active |
Size, funding and growth
| Measure | 645 Ventures | Ada Ventures |
|---|---|---|
| Employees | 10 | 70 |
| Total funding | $63.0M | $63.0M |
| Latest round | Venture Round | Series A |
| Valuation | $1.1B | $1.1B |
| LinkedIn followers | Not published | 28,119 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | 645 Ventures | Ada Ventures |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 43/100 | 53/100 |
| Traction | 49/100 | 58/100 |
| Search visibility | 11/100 | 33/100 |
| Quality | 55/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (32/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 48/100 | 44/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | 645 Ventures | Ada Ventures |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | Webflow |
| Frameworks | Next.js | Not detected |
| Analytics | Google Analytics 4 | Not detected |
| Open source | Yes | No |
645 Ventures vs Ada Ventures: common questions
Which is better, 645 Ventures or Ada Ventures?
On our 0-100 score Ada Ventures rates higher (53/100 against 43/100). 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 19 data points above: read the rows that match what you are buying for.
How do 645 Ventures and Ada Ventures compare on the numbers?
645 Ventures leads on agent readiness (32/100 against 21/100). Ada Ventures leads on our overall score (53/100 against 43/100), headcount (70 against 10).
Read the full 645 Ventures review and pricing or the Ada Ventures review and pricing. You can also browse other 645 Ventures alternatives we track.

