Patronus AI vs Stably AI
Patronus AI 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: Patronus AI is on 62/100 and Stably AI on 41/100.
Where each one leads
Patronus AI
- our overall score: 62/100 against 41/100
- domain rating: 62/100 against 49/100
- headcount: 53 against 6
- LinkedIn following: 8,486 against 4,223
Stably AI
- agent readiness: 55/100 against 21/100
At a glance
| Measure | Patronus AI | Stably AI |
|---|---|---|
| What it is | AI evaluation and optimization platform for shipping top-tier AI products. | 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 | Agentic AI, AI Agent, AI Testing, AI Observability | Agentic AI, AI Testing, Developer Tools, CI/CD |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2023 | 2025 |
| Headquarters | San Francisco, United States | Tel Aviv, Israel |
| Status | Active | Active |
Size, funding and growth
| Measure | Patronus AI | Stably AI |
|---|---|---|
| Employees | 53 | 6 |
| Total funding | $11.0M | Not published |
| Latest round | Series B | Not published |
| LinkedIn followers | 8,486 | 4,223 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Patronus AI | Stably AI |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 62/100 | 41/100 |
| Traction | 53/100 | 8/100 |
| Team | 70/100 | 60/100 |
| Search visibility | 46/100 | 33/100 |
| Quality | 68/100 | 48/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (21/100) | D (55/100) |
| Domain ratingLink authority, 0-100 | 62/100 | 49/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Patronus AI | Stably AI |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager | Google Analytics 4 |
| Open source | No | Yes |
Product and pricing
| Measure | Patronus AI | Stably AI |
|---|---|---|
| Key features | Patronus Evaluators, Patronus Experiments, Patronus Logs, Patronus Comparisons, Patronus Datasets, Patronus Traces | AI-Powered Test Generation, Auto-Maintenance & Healing, Diff-Aware Execution, Complex Action Handling, Comprehensive Verification, CI/CD Integration |
Patronus AI vs Stably AI: common questions
Which is better, Patronus AI or Stably AI?
On our 0-100 score Patronus AI rates higher (62/100 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 Patronus AI and Stably AI compare on the numbers?
Patronus AI leads on our overall score (62/100 against 41/100), domain rating (62/100 against 49/100), headcount (53 against 6), LinkedIn following (8,486 against 4,223). Stably AI leads on agent readiness (55/100 against 21/100).
Read the full Patronus AI review and pricing or the Stably AI review and pricing. You can also browse other Patronus AI alternatives we track.

