JaxBio vs Karius
JaxBio vs Karius, 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: JaxBio is on 55/100 and Karius on 57/100.
Where each one leads
JaxBio
Leads on none of the measures we hold for both companies.
Karius
- agent readiness: 45/100 against 40/100
- domain rating: 47/100 against 9/100
- headcount: 214 against 13
- headcount growth: +26.1% against +15.2%
- funding raised: $315M against $21.7M
- LinkedIn following: 12,842 against 896
At a glance
| Measure | JaxBio | Karius |
|---|---|---|
| What it is | AI-powered blood test for early cancer detection and subtyping. | Advanced infectious disease diagnostics |
| Category | Life Sciences, Biotech, Blood, Biomarkers | Life Sciences, Biotech, Genomics, Blood |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2021 | 2014 |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | JaxBio | Karius |
|---|---|---|
| Employees | 13 | 214 |
| Headcount growthLast 12 months | +15.2% | +26.1% |
| Total funding | $21.7M | $315M |
| Latest round | Grant | Series C |
| LinkedIn followers | 896 | 12,842 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | JaxBio | Karius |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 55/100 | 57/100 |
| Traction | 48/100 | 60/100 |
| Team | 70/100 | 30/100 |
| Search visibility | 31/100 | 32/100 |
| Quality | 58/100 | 65/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (40/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 9/100 | 47/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | JaxBio | Karius |
|---|---|---|
| Hosting | Self Managed | Vercel |
| CDN | Not detected | Vercel |
| CMS | WordPress | Ghost |
| Frameworks | Jquery | Next.js |
| Analytics | Not detected | Hotjar |
| Support stack | Not detected | HubSpot |
JaxBio vs Karius: common questions
Which is better, JaxBio or Karius?
On our 0-100 score Karius rates higher (57/100 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 JaxBio and Karius compare on the numbers?
Karius leads on agent readiness (45/100 against 40/100), domain rating (47/100 against 9/100), headcount (214 against 13), headcount growth (+26.1% against +15.2%), funding raised ($315M against $21.7M), LinkedIn following (12,842 against 896).
Read the full JaxBio review and pricing or the Karius review and pricing. You can also browse other JaxBio alternatives we track.