Causal Labs vs World Labs
Causal Labs vs World Labs, 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: Causal Labs is on 55/100 and World Labs on 73/100.
Where each one leads
Causal Labs
Leads on none of the measures we hold for both companies.
World Labs
- our overall score: 73/100 against 55/100
- domain rating: 71/100 against 28/100
- headcount: 150 against 14
- funding raised: $2.5B against $6.0M
At a glance
| Measure | Causal Labs | World Labs |
|---|---|---|
| What it is | Building safe, steerable physics foundation models for weather understanding, prediction, and shaping. | Building frontier AI models that perceive, generate, and interact with the 3D world. |
| Category | Foundation Model, Physics AI, Weather Prediction, Climate Tech | Foundation Model, World Model, Spatial Computing, Generative AI |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2023 | 2024 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Causal Labs | World Labs |
|---|---|---|
| Employees | 14 | 150 |
| Headcount growthLast 12 months | +63.5% | Not published |
| Open roles | 20 | 9 |
| Total funding | $6.0M | $2.5B |
| Latest round | Seed | Series E |
| Valuation | Not published | $5.0B |
| LinkedIn followers | 1,858 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Causal Labs | World Labs |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 73/100 |
| Traction | 46/100 | 60/100 |
| Team | 70/100 | 70/100 |
| Community | 13/100 | 8/100 |
| Search visibility | 35/100 | 32/100 |
| Quality | 58/100 | 86/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | D (40/100) |
| Domain ratingLink authority, 0-100 | 28/100 | 71/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Causal Labs | World Labs |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
What users say
| Measure | Causal Labs | World Labs |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | 3.0/5 from 1 vote |
Causal Labs vs World Labs: common questions
Which is better, Causal Labs or World Labs?
On our 0-100 score World Labs rates higher (73/100 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 Causal Labs and World Labs compare on the numbers?
World Labs leads on our overall score (73/100 against 55/100), domain rating (71/100 against 28/100), headcount (150 against 14), funding raised ($2.5B against $6.0M).
Read the full Causal Labs review and pricing or the World Labs review and pricing. You can also browse other Causal Labs alternatives we track.

