Notion vs Open and Async
Notion vs Open and Async, compared side by side on 14 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: Notion is on 64/100 and Open and Async on 10/100.
Where each one leads
Notion
- our overall score: 64/100 against 10/100
- agent readiness: 53/100 against 43/100
- domain rating: 88/100 against 23/100
Open and Async
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Notion | Open and Async |
|---|---|---|
| What it is | Notion is an all-in-one workspace that combines notes, wikis, tasks, and databases. | AI-powered platform for asynchronous communication and knowledge management. |
| Category | SaaS, Productivity, Collaboration, Note-taking | Agentic AI, AI Agent, AI Search Engine, Knowledge Management |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2016 | 2026 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Notion | Open and Async |
|---|---|---|
| Employees | 5,643 | Not published |
| Total funding | $200M | Not published |
| Latest round | Series E | Not published |
| Valuation | $10B | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Notion | Open and Async |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 64/100 | 10/100 |
| Traction | 60/100 | Not published |
| Community | 8/100 | Not published |
| Search visibility | 51/100 | 7/100 |
| Quality | 82/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (53/100) | D (43/100) |
| Domain ratingLink authority, 0-100 | 88/100 | 23/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Notion | Open and Async |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Cloudflare | Cloudflare |
| CMS | Ghost | Not detected |
| Frameworks | Next.js, Tailwind CSS | Tailwind CSS |
| Open source | No | Yes |
Product and pricing
| Measure | Notion | Open and Async |
|---|---|---|
| Current offer | 3 Months FREE: Notion Business | Notion AI | Not published |
Notion vs Open and Async: common questions
Which is better, Notion or Open and Async?
On our 0-100 score Notion rates higher (64/100 against 10/100). 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 14 data points above: read the rows that match what you are buying for.
How do Notion and Open and Async compare on the numbers?
Notion leads on our overall score (64/100 against 10/100), agent readiness (53/100 against 43/100), domain rating (88/100 against 23/100).
Read the full Notion review and pricing or the Open and Async review and pricing. You can also browse other Notion alternatives we track.