Modern Relay vs Segment
Modern Relay vs Segment, 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: Modern Relay is on 45/100 and Segment on 62/100.
Where each one leads
Modern Relay
Leads on none of the measures we hold for both companies.
Segment
- our overall score: 62/100 against 45/100
- domain rating: 91/100 against 18/100
- funding raised: $284M against $3.0M
At a glance
| Measure | Modern Relay | Segment |
|---|---|---|
| What it is | Building the infrastructure for AI agents to coordinate within organizations. | Customer Data Platform (CDP) that collects, unifies, and activates customer data for businesses. |
| Category | Artificial Intelligence, Enterprise Software, Developer Tools, Data Infrastructure | Customer Data Platform, Data Infrastructure, Data Integration, Data Governance |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2025 | 2012 |
| Headquarters | San Francisco, USA | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Modern Relay | Segment |
|---|---|---|
| Employees | 1 | Not published |
| Total funding | $3.0M | $284M |
| Latest round | Funding Round | Series D |
| Valuation | Not published | $1.5B |
| LinkedIn followers | 218 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Modern Relay | Segment |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 45/100 | 62/100 |
| Traction | 35/100 | 40/100 |
| Team | 60/100 | 70/100 |
| Search visibility | 32/100 | 23/100 |
| Quality | 48/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (48/100) |
| Domain ratingLink authority, 0-100 | 18/100 | 91/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Modern Relay | Segment |
|---|---|---|
| Hosting | Vercel | AWS |
| CDN | Vercel | CloudFront |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Not detected | Google Tag Manager, Segment |
| Support stack | Not detected | Zendesk |
| Open source | Yes | No |
Modern Relay vs Segment: common questions
Which is better, Modern Relay or Segment?
On our 0-100 score Segment rates higher (62/100 against 45/100). 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 Modern Relay and Segment compare on the numbers?
Segment leads on our overall score (62/100 against 45/100), domain rating (91/100 against 18/100), funding raised ($284M against $3.0M).
Read the full Modern Relay review and pricing or the Segment review and pricing. You can also browse other Modern Relay alternatives we track.