OpenPhone vs RingCentral
OpenPhone vs RingCentral, 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: OpenPhone is on 57/100 and RingCentral on 62/100.
Where each one leads
OpenPhone
Leads on none of the measures we hold for both companies.
RingCentral
- our overall score: 62/100 against 57/100
- agent readiness: 44/100 against 30/100
- domain rating: 87/100 against 75/100
- headcount: 6,682 against 59
At a glance
| Measure | OpenPhone | RingCentral |
|---|---|---|
| What it is | AI-powered collaborative phone system for startups and small businesses. | A leading provider of AI-powered global enterprise cloud communications and contact center solutions. |
| Category | Voice AI, Conversational AI, Contact Center AI, Phone Agent | Cloud Communications, Unified Communications, Contact Center, Artificial Intelligence |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2018 | 1999 |
| Headquarters | San Francisco, United States | Belmont, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | OpenPhone | RingCentral |
|---|---|---|
| Employees | 59 | 6,682 |
| Total funding | $45.0M | $53.7M |
| Latest round | Series B | Debt Financing |
| Valuation | Not published | $1.1B |
| LinkedIn followers | 21,949 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | OpenPhone | RingCentral |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 57/100 | 62/100 |
| Traction | 56/100 | 59/100 |
| Team | 30/100 | 30/100 |
| Community | Not published | 8/100 |
| Search visibility | 29/100 | 36/100 |
| Quality | 68/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (30/100) | D (44/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 87/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | OpenPhone | RingCentral |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
Product and pricing
| Measure | OpenPhone | RingCentral |
|---|---|---|
| Key features | Sona AI Agent, AI Call Summaries & Transcripts, Shared Phone Numbers, Lightweight CRM, OpenPhone API, Customizable Call Flow Builder | Not published |
OpenPhone vs RingCentral: common questions
Which is better, OpenPhone or RingCentral?
On our 0-100 score RingCentral rates higher (62/100 against 57/100). 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 OpenPhone and RingCentral compare on the numbers?
RingCentral leads on our overall score (62/100 against 57/100), agent readiness (44/100 against 30/100), domain rating (87/100 against 75/100), headcount (6,682 against 59).
Read the full OpenPhone review and pricing or the RingCentral review and pricing. You can also browse other OpenPhone alternatives we track.

