AI21 Labs vs OpenAI
AI21 Labs vs OpenAI, compared side by side on 24 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 OpenAI on 86/100.
Where each one leads
AI21 Labs
- agent readiness: 50/100 against 39/100
OpenAI
- our overall score: 86/100 against 71/100
- domain rating: 93/100 against 75/100
- headcount: 10,540 against 221
- headcount growth: +106.7% against +32.0%
- funding raised: $191B against $327M
- LinkedIn following: 11,490,460 against 35,891
At a glance
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| What it is | Enterprise large language models and developer platform for custom AI applications. | OpenAI is an AI research and deployment company dedicated to ensuring that artificial general intelligence benefits all of humanity. |
| Category | Foundation Model, Large Language Model, Generative AI, API Platform | Artificial Intelligence, Large Language Models, Generative AI, Foundation Models |
| Sells toBusiness model | B2B | B2B, B2C |
| Offering | Platform | Platform |
| Founded | 2017 | 2015 |
| Headquarters | Tel Aviv, Israel | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| Employees | 221 | 10,540 |
| Headcount growthLast 12 months | +32.0% | +106.7% |
| Total funding | $327M | $191B |
| Latest round | Series C | Equity Round |
| Valuation | $1.4B | $852B |
| LinkedIn followers | 35,891 | 11,490,460 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 71/100 | 86/100 |
| Traction | 60/100 | 60/100 |
| Team | 100/100 | 90/100 |
| Community | 8/100 | 45/100 |
| Search visibility | 40/100 | 71/100 |
| Quality | 76/100 | 98/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | F (39/100) |
| Domain ratingLink authority, 0-100 | 75/100 | 93/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Cloudflare |
| CMS | WordPress | Not detected |
| Frameworks | Jquery | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4, Google Tag Manager, Amplitude | Not detected |
| Support stack | HubSpot | Not detected |
| Open source | No | Yes |
Product and pricing
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| Key features | Not published | Connectors to Company Knowledge, Custom Connectors via MCP, Record Mode, Flexible Pricing with Credits, SSO for ChatGPT Team |
What users say
| Measure | AI21 Labs | OpenAI |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 1 vote |
| Reddit sentimentThreads we track | Not published | 2 positive, 4 negative across 6 threads |
“OpenAI is an AI research and deployment company. OpenAI's mission is to create safe and powerful AI that benefits all of humanity. We are an unofficially-run community. OpenAI makes Sora, ChatGPT, and DALL·E 3.”r/
AI21 Labs vs OpenAI: common questions
Which is better, AI21 Labs or OpenAI?
On our 0-100 score OpenAI rates higher (86/100 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 24 data points above: read the rows that match what you are buying for.
How do AI21 Labs and OpenAI compare on the numbers?
AI21 Labs leads on agent readiness (50/100 against 39/100). OpenAI leads on our overall score (86/100 against 71/100), domain rating (93/100 against 75/100), headcount (10,540 against 221), headcount growth (+106.7% against +32.0%), funding raised ($191B against $327M), LinkedIn following (11,490,460 against 35,891).
What do real users say about AI21 Labs and OpenAI?
OpenAI: 2 positive and 4 negative mentions across 6 Reddit threads we track.
Read the full AI21 Labs review and pricing or the OpenAI review and pricing. You can also browse other AI21 Labs alternatives we track.