AI21 Labs vs Anthropic
AI21 Labs vs Anthropic, compared side by side on 22 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: AI21 Labs is on 71/100 and Anthropic on 76/100.
Where each one leads
AI21 Labs
- headcount: 221 against 5
- headcount growth: +32.0% against -100.0%
Anthropic
- our overall score: 76/100 against 71/100
- domain rating: 92/100 against 75/100
- funding raised: $317B against $327M
At a glance
| Measure | AI21 Labs | Anthropic |
|---|---|---|
| What it is | Enterprise large language models and developer platform for custom AI applications. | Anthropic is an AI safety and research company building reliable, interpretable, and steerable AI systems, best known for the Claude family of models. |
| Category | Foundation Model, Large Language Model, Generative AI, API Platform | Artificial Intelligence, Machine Learning, Frontier AI Lab, AGI Research |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2017 | 2021 |
| Headquarters | Tel Aviv, Israel | San Francisco, USA |
| Status | Active | Active |
Size, funding and growth
| Measure | AI21 Labs | Anthropic |
|---|---|---|
| Employees | 221 | 5 |
| Headcount growthLast 12 months | +32.0% | -100.0% |
| Total funding | $327M | $317B |
| Latest round | Series C | Series B |
| Valuation | $1.4B | $965B |
| LinkedIn followers | 35,891 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | AI21 Labs | Anthropic |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 71/100 | 76/100 |
| Traction | 60/100 | 48/100 |
| Team | 100/100 | 70/100 |
| Community | 8/100 | 8/100 |
| Search visibility | 40/100 | 53/100 |
| Quality | 76/100 | 96/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 92/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | AI21 Labs | Anthropic |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Webflow |
| Frameworks | Jquery | Not detected |
| Analytics | Google Analytics 4, Google Tag Manager, Amplitude | Not detected |
| Support stack | HubSpot | Not detected |
AI21 Labs vs Anthropic: common questions
Which is better, AI21 Labs or Anthropic?
On our 0-100 score Anthropic rates higher (76/100 against 71/100). 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 22 data points above: read the rows that match what you are buying for.
How do AI21 Labs and Anthropic compare on the numbers?
AI21 Labs leads on headcount (221 against 5), headcount growth (+32.0% against -100.0%). Anthropic leads on our overall score (76/100 against 71/100), domain rating (92/100 against 75/100), funding raised ($317B against $327M).
Read the full AI21 Labs review and pricing or the Anthropic review and pricing. You can also browse other AI21 Labs alternatives we track.

