Marr Labs vs Retell AI
Marr Labs vs Retell AI, compared side by side on 18 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: Marr Labs is on 47/100 and Retell AI on 63/100.
Where each one leads
Marr Labs
Leads on none of the measures we hold for both companies.
Retell AI
- our overall score: 63/100 against 47/100
- agent readiness: 61/100 against 22/100
- domain rating: 76/100 against 17/100
- headcount: 35 against 16
- LinkedIn following: 20,979 against 1,324
At a glance
| Measure | Marr Labs | Retell AI |
|---|---|---|
| What it is | AI-powered voice agents that are indistinguishable from humans, focusing on mortgage lead qualification and engagement. | Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. |
| Category | Voice Agent, Voice AI, Conversational AI, AI Agent | Agentic AI, AI Agents, AI Voice Synthesis, AI Voice Cloning |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2022 | 2023 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Marr Labs | Retell AI |
|---|---|---|
| Employees | 16 | 35 |
| Total funding | Not published | $14.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 1,324 | 20,979 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Marr Labs | Retell AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 47/100 | 63/100 |
| Traction | 41/100 | 66/100 |
| Team | 70/100 | 60/100 |
| Community | Not published | 8/100 |
| Search visibility | 37/100 | 48/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (22/100) | C (61/100) |
| Domain ratingLink authority, 0-100 | 17/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Marr Labs | Retell AI |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Webflow |
| Analytics | Google Analytics 4 | Google Analytics 4, Google Tag Manager, Mixpanel, Linkedin Insight +1 more |
| Support stack | HubSpot | Not detected |
Product and pricing
| Measure | Marr Labs | Retell AI |
|---|---|---|
| Key features | Not published | AI Voice Agent Platform, Auto-Sync Knowledge Base, Powerful Call Transfer, Easy Appointment Booking, IVR Navigation & Batch Calling, Compliance & Scalability |
Marr Labs vs Retell AI: common questions
Which is better, Marr Labs or Retell AI?
On our 0-100 score Retell AI rates higher (63/100 against 47/100). 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 18 data points above: read the rows that match what you are buying for.
How do Marr Labs and Retell AI compare on the numbers?
Retell AI leads on our overall score (63/100 against 47/100), agent readiness (61/100 against 22/100), domain rating (76/100 against 17/100), headcount (35 against 16), LinkedIn following (20,979 against 1,324).
Read the full Marr Labs review and pricing or the Retell AI review and pricing. You can also browse other Marr Labs alternatives we track.