Hume AI vs Vapi
Hume AI vs Vapi, compared side by side on 16 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: Hume AI is on 21/100 and Vapi on 65/100.
Where each one leads
Hume AI
Leads on none of the measures we hold for both companies.
Vapi
- our overall score: 65/100 against 21/100
- agent readiness: 68/100 against 27/100
- headcount: 182 against 48
- LinkedIn following: 23,249 against 588
At a glance
| Measure | Hume AI | Vapi |
|---|---|---|
| What it is | AI toolkit to understand emotional expression. | Vapi provides a highly configurable API platform for developers and enterprises to build, deploy, and scale human-like voice AI agents. |
| Category | Voice AI, Emotional Intelligence, API Platform, Generative AI | Voice AI, Voice Agent, Conversational AI, API Platform |
| Sells toBusiness model | Not published | B2B |
| Offering | Not published | Platform |
| Founded | Not published | 2022 |
| Headquarters | United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Hume AI | Vapi |
|---|---|---|
| Employees | 48 | 182 |
| Headcount growthLast 12 months | Not published | +308.7% |
| Total funding | Not published | $74.3M |
| Latest round | Not published | Funding Round |
| Valuation | Not published | $500M |
| LinkedIn followers | 588 | 23,249 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Hume AI | Vapi |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 21/100 | 65/100 |
| Traction | 17/100 | 59/100 |
| Team | Not published | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 47/100 | 58/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (27/100) | C (68/100) |
| Domain ratingLink authority, 0-100 | 71/100 | 78/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Hume AI | Vapi |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Vercel |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Payments | Not detected | Stripe |
| Analytics | Google Tag Manager, Linkedin Insight, Reddit Pixel | Google Tag Manager, PostHog, Linkedin Insight, Facebook Pixel +1 more |
| Support stack | Not detected | HubSpot |
| Open source | Yes | Yes |
Product and pricing
| Measure | Hume AI | Vapi |
|---|---|---|
| Key features | Not published | Multilingual Support, API-Native Design, Automated Testing, Bring Your Own Models, Tool Calling Capabilities, A/B Experimentation |
Hume AI vs Vapi: common questions
Which is better, Hume AI or Vapi?
On our 0-100 score Vapi rates higher (65/100 against 21/100). 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 16 data points above: read the rows that match what you are buying for.
How do Hume AI and Vapi compare on the numbers?
Vapi leads on our overall score (65/100 against 21/100), agent readiness (68/100 against 27/100), headcount (182 against 48), LinkedIn following (23,249 against 588).
Read the full Hume AI review and pricing or the Vapi review and pricing. You can also browse other Hume AI alternatives we track.