8x8 vs Five9
8x8 vs Five9, compared side by side on 21 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: 8x8 is on 55/100 and Five9 on 62/100.
Where each one leads
8x8
Leads on none of the measures we hold for both companies.
Five9
- our overall score: 62/100 against 55/100
- agent readiness: 41/100 against 21/100
At a glance
| Measure | 8x8 | Five9 |
|---|---|---|
| What it is | A cloud communications and collaboration company. | Cloud contact center software provider. |
| Category | Cloud Communications, Unified Communications, Contact Center, Artificial Intelligence | Artificial Intelligence, Customer Service, Cloud Computing, Cloud Contact Center Software |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 1987 | 2001 |
| Headquarters | Campbell, USA | San Ramon, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | 8x8 | Five9 |
|---|---|---|
| Employees | 2,831 | 3,051 |
| Total funding | $63.0M | $71.6M |
| Latest round | D | Series D |
| Valuation | $1.1B | $1.1B |
| LinkedIn followers | 134,498 | 121,557 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | 8x8 | Five9 |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 62/100 |
| Traction | 59/100 | 59/100 |
| Team | 10/100 | 70/100 |
| Community | 8/100 | 15/100 |
| Search visibility | 35/100 | 45/100 |
| Quality | 68/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (21/100) | D (41/100) |
| Domain ratingLink authority, 0-100 | 80/100 | 77/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | 8x8 | Five9 |
|---|---|---|
| Hosting | Vercel | Self Managed |
| CDN | Vercel | Not detected |
| Frameworks | Not detected | Tailwind CSS, Bootstrap |
| Analytics | Not detected | Google Tag Manager |
8x8 vs Five9: common questions
Which is better, 8x8 or Five9?
On our 0-100 score Five9 rates higher (62/100 against 55/100). 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 21 data points above: read the rows that match what you are buying for.
How do 8x8 and Five9 compare on the numbers?
Five9 leads on our overall score (62/100 against 55/100), agent readiness (41/100 against 21/100).
Read the full 8x8 review and pricing or the Five9 review and pricing. You can also browse other 8x8 alternatives we track.