Checksum vs Stably AI
Checksum vs Stably AI, 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: Checksum is on 47/100 and Stably AI on 41/100.
Where each one leads
Checksum
- our overall score: 47/100 against 41/100
- headcount: 28 against 6
Stably AI
- domain rating: 49/100 against 29/100
At a glance
| Measure | Checksum | Stably AI |
|---|---|---|
| What it is | AI-powered platform for automated end-to-end web application testing. | Stably AI auto-writes, runs, and maintains end-to-end tests directly in your CI, guarding every pull-request and production release, no flakiness, no manual effort. |
| Category | Test Automation, Enterprise, Development, CI/CD | Agentic AI, AI Testing, Developer Tools, CI/CD |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software |
| Founded | 2022 | 2025 |
| Headquarters | San Francisco, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Checksum | Stably AI |
|---|---|---|
| Employees | 28 | 6 |
| Headcount growthLast 12 months | +88.7% | Not published |
| LinkedIn followers | 4,945 | 4,223 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Checksum | Stably AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 47/100 | 41/100 |
| Traction | 15/100 | 8/100 |
| Team | 70/100 | 60/100 |
| Search visibility | 31/100 | 33/100 |
| Quality | 58/100 | 48/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (57/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 29/100 | 49/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Checksum | Stably AI |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Frameworks | Tailwind CSS, Bootstrap | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager | Google Analytics 4 |
| Open source | Yes | Yes |
Product and pricing
| Measure | Checksum | Stably AI |
|---|---|---|
| Key features | Not published | AI-Powered Test Generation, Auto-Maintenance & Healing, Diff-Aware Execution, Complex Action Handling, Comprehensive Verification, CI/CD Integration |
Checksum vs Stably AI: common questions
Which is better, Checksum or Stably AI?
On our 0-100 score Checksum rates higher (47/100 against 41/100). 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 Checksum and Stably AI compare on the numbers?
Checksum leads on our overall score (47/100 against 41/100), headcount (28 against 6). Stably AI leads on domain rating (49/100 against 29/100).
Read the full Checksum review and pricing or the Stably AI review and pricing. You can also browse other Checksum alternatives we track.