PolyAI vs Retell AI
PolyAI vs Retell AI, compared side by side on 17 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: PolyAI is on 28/100 and Retell AI on 63/100.
Where each one leads
PolyAI
- headcount: 328 against 35
- LinkedIn following: 47,321 against 20,979
Retell AI
- our overall score: 63/100 against 28/100
- agent readiness: 61/100 against 46/100
At a glance
| Measure | PolyAI | Retell AI |
|---|---|---|
| What it is | PolyAI is a leading provider of enterprise AI agents for customer service, specializing in creating the world's most lifelike conversational voice assistants that resolve millions of customer inquiries. | Voice AI agent platform handling more calls per second than the US 911 system, $60M ARR with a 35-person team. |
| Category | Agentic AI, Operations, Customer Service, AI Agents | Agentic AI, AI Agents, AI Voice Synthesis, AI Voice Cloning |
| Sells toBusiness model | B2B | B2B |
| Offering | Not published | Platform |
| Founded | Not published | 2023 |
| Headquarters | United Kingdom | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | PolyAI | Retell AI |
|---|---|---|
| Employees | 328 | 35 |
| Total funding | Not published | $14.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 47,321 | 20,979 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | PolyAI | Retell AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 28/100 | 63/100 |
| Traction | 20/100 | 66/100 |
| Team | 30/100 | 60/100 |
| Community | Not published | 8/100 |
| Search visibility | 28/100 | 48/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (46/100) | C (61/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | PolyAI | Retell AI |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | Webflow |
| Analytics | Google Tag Manager | Google Analytics 4, Google Tag Manager, Mixpanel, Linkedin Insight +1 more |
| Support stack | HubSpot | Discourse |
Product and pricing
| Measure | PolyAI | Retell AI |
|---|---|---|
| Key features | Lifelike Voice AI Agents, High Call Resolution, Seamless Integration, Real-time Analytics & Insights, 24/7 Scalability & Support, Multi-language Support | AI Voice Agent Platform, Auto-Sync Knowledge Base, Powerful Call Transfer, Easy Appointment Booking, IVR Navigation & Batch Calling, Compliance & Scalability |
PolyAI vs Retell AI: common questions
Which is better, PolyAI or Retell AI?
On our 0-100 score Retell AI rates higher (63/100 against 28/100). 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 17 data points above: read the rows that match what you are buying for.
How do PolyAI and Retell AI compare on the numbers?
PolyAI leads on headcount (328 against 35), LinkedIn following (47,321 against 20,979). Retell AI leads on our overall score (63/100 against 28/100), agent readiness (61/100 against 46/100).
Read the full PolyAI review and pricing or the Retell AI review and pricing. You can also browse other PolyAI alternatives we track.