Causal Labs vs OpenAI
Causal Labs vs OpenAI, compared side by side on 20 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 OpenAI on 82/100.
Where each one leads
Causal Labs
- headcount growth: +63.5% against +43.6%
OpenAI
- our overall score: 82/100 against 55/100
- domain rating: 93/100 against 28/100
- headcount: 10,452 against 14
- funding raised: $21B against $6.0M
- LinkedIn following: 11,484,918 against 1,858
At a glance
| Measure | Causal Labs | OpenAI |
|---|---|---|
| What it is | Building safe, steerable physics foundation models for weather understanding, prediction, and shaping. | Artificial intelligence research and deployment company focused on developing advanced AI models like GPT-5.6 and GPT-Live, offering products such as ChatGPT and an API platform. |
| Category | Foundation Model, Physics AI, Weather Prediction, Climate Tech | Frontier AI Lab, AGI Research, Foundation Model, Large Language Model |
| Sells toBusiness model | B2B | B2B, B2C |
| Offering | Platform | Platform |
| Founded | 2023 | 2015 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Causal Labs | OpenAI |
|---|---|---|
| Employees | 14 | 10,452 |
| Headcount growthLast 12 months | +63.5% | +43.6% |
| Open roles | 20 | Not published |
| Total funding | $6.0M | $21B |
| Latest round | Seed | Share Sale |
| Valuation | Not published | $500B |
| LinkedIn followers | 1,858 | 11,484,918 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Causal Labs | OpenAI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 82/100 |
| Traction | 46/100 | 60/100 |
| Team | 70/100 | 70/100 |
| Community | 13/100 | Not published |
| Search visibility | 35/100 | 65/100 |
| Quality | 58/100 | 98/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (42/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 28/100 | 93/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Causal Labs | OpenAI |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Payments | Not detected | Stripe |
| Analytics | Not detected | Singular |
| Support stack | Not detected | Discourse, Gradual |
What users say
| Measure | Causal Labs | OpenAI |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 1 vote | Not published |
Causal Labs vs OpenAI: common questions
Which is better, Causal Labs or OpenAI?
On our 0-100 score OpenAI rates higher (82/100 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 20 data points above: read the rows that match what you are buying for.
How do Causal Labs and OpenAI compare on the numbers?
Causal Labs leads on headcount growth (+63.5% against +43.6%). OpenAI leads on our overall score (82/100 against 55/100), domain rating (93/100 against 28/100), headcount (10,452 against 14), funding raised ($21B against $6.0M), LinkedIn following (11,484,918 against 1,858).
Read the full Causal Labs review and pricing or the OpenAI review and pricing. You can also browse other Causal Labs alternatives we track.

