4 Health vs World Labs
4 Health vs World Labs, compared side by side on 10 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: 4 Health is on 9/100 and World Labs on 73/100.
Where each one leads
4 Health
Leads on none of the measures we hold for both companies.
World Labs
- our overall score: 73/100 against 9/100
- agent readiness: 40/100 against 32/100
- domain rating: 71/100 against 50/100
At a glance
| Measure | 4 Health | World Labs |
|---|---|---|
| What it is | A portfolio of single-digit .ai domains for globally scalable AI platforms. | Building frontier AI models that perceive, generate, and interact with the 3D world. |
| Category | Foundation Model, AI Infrastructure, Agentic AI, AI Governance | Foundation Model, World Model, Spatial Computing, Generative AI |
| Sells toBusiness model | Not published | B2B |
| Offering | Platform | Platform |
| Founded | 2023 | 2024 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | 4 Health | World Labs |
|---|---|---|
| Employees | Not published | 150 |
| Open roles | Not published | 9 |
| Total funding | Not published | $2.5B |
| Latest round | Not published | Series E |
| Valuation | Not published | $5.0B |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | 4 Health | World Labs |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 9/100 | 73/100 |
| Traction | Not published | 60/100 |
| Team | Not published | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 14/100 | 32/100 |
| Quality | Not published | 86/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (32/100) | D (40/100) |
| Domain ratingLink authority, 0-100 | 50/100 | 71/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | 4 Health | World Labs |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Not detected | Next.js, Tailwind CSS |
What users say
| Measure | 4 Health | World Labs |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 3.0/5 from 1 vote |
4 Health vs World Labs: common questions
Which is better, 4 Health or World Labs?
On our 0-100 score World Labs rates higher (73/100 against 9/100). 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 10 data points above: read the rows that match what you are buying for.
How do 4 Health and World Labs compare on the numbers?
World Labs leads on our overall score (73/100 against 9/100), agent readiness (40/100 against 32/100), domain rating (71/100 against 50/100).
Read the full 4 Health review and pricing or the World Labs review and pricing. You can also browse other 4 Health alternatives we track.