Stably AI vs TestMu AI
Stably AI vs TestMu AI, compared side by side on 19 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: Stably AI is on 41/100 and TestMu AI on 48/100.
Where each one leads
Stably AI
Leads on none of the measures we hold for both companies.
TestMu AI
- our overall score: 48/100 against 41/100
- domain rating: 80/100 against 49/100
- headcount: 547 against 6
- LinkedIn following: 70,486 against 4,223
At a glance
| Measure | Stably AI | TestMu AI |
|---|---|---|
| What it is | 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. | AI-powered platform for automated software testing and quality assurance. |
| Category | Agentic AI, AI Testing, Developer Tools, CI/CD | AI Testing, Developer Tools, Quality Assurance, Test Automation |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2025 | 2023 |
| Headquarters | Tel Aviv, Israel | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Stably AI | TestMu AI |
|---|---|---|
| Employees | 6 | 547 |
| Headcount growthLast 12 months | Not published | +208.8% |
| Total funding | Not published | $1.0M |
| Latest round | Not published | Seed |
| LinkedIn followers | 4,223 | 70,486 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Stably AI | TestMu AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 41/100 | 48/100 |
| Traction | 8/100 | 50/100 |
| Team | 60/100 | 10/100 |
| Search visibility | 33/100 | 35/100 |
| Quality | 48/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (55/100) | D (54/100) |
| Domain ratingLink authority, 0-100 | 49/100 | 80/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Stably AI | TestMu AI |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4 | Not detected |
| Open source | Yes | Yes |
Product and pricing
| Measure | Stably AI | TestMu AI |
|---|---|---|
| Key features | AI-Powered Test Generation, Auto-Maintenance & Healing, Diff-Aware Execution, Complex Action Handling, Comprehensive Verification, CI/CD Integration | Not published |
Stably AI vs TestMu AI: common questions
Which is better, Stably AI or TestMu AI?
On our 0-100 score TestMu AI rates higher (48/100 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 19 data points above: read the rows that match what you are buying for.
How do Stably AI and TestMu AI compare on the numbers?
TestMu AI leads on our overall score (48/100 against 41/100), domain rating (80/100 against 49/100), headcount (547 against 6), LinkedIn following (70,486 against 4,223).
Read the full Stably AI review and pricing or the TestMu AI review and pricing. You can also browse other Stably AI alternatives we track.

