Mastra vs SmythOS
Mastra vs SmythOS, 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: Mastra is on 77/100 and SmythOS on 45/100.
Where each one leads
Mastra
- our overall score: 77/100 against 45/100
- agent readiness: 58/100 against 47/100
- headcount: 53 against 14
- LinkedIn following: 6,591 against 3,204
SmythOS
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Mastra | SmythOS |
|---|---|---|
| What it is | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. | Open-source AI operating system for launching and scaling specialized AI agent networks. |
| Category | Agentic AI, AI Agents, Developer Tools, Open Source | Agentic AI, AI Agent, Multi-Agent Systems, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2024 | 2023 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Mastra | SmythOS |
|---|---|---|
| Employees | 53 | 14 |
| Headcount growthLast 12 months | +204.5% | Not published |
| Total funding | $35.5M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | 6,591 | 3,204 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mastra | SmythOS |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 77/100 | 45/100 |
| Traction | 70/100 | 23/100 |
| Team | 90/100 | 30/100 |
| Community | 38/100 | Not published |
| Search visibility | 68/100 | 33/100 |
| Quality | 78/100 | 58/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | D (47/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 71/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mastra | SmythOS |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | WordPress |
| Frameworks | Next.js, Tailwind CSS | Not detected |
| Analytics | Not detected | Google Analytics 4, PostHog, Facebook Pixel |
| Open source | Yes, 15,100 GitHub stars | Yes, 204 GitHub stars |
| Self-hostable | Yes | Yes |
Product and pricing
| Measure | Mastra | SmythOS |
|---|---|---|
| Key features | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular | Agent Studio, Debug Capabilities, Deployment Options, Open Source Components, Templates, Replay Work with Agents |
What users say
| Measure | Mastra | SmythOS |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 2 votes | Not published |
Mastra vs SmythOS: common questions
Which is better, Mastra or SmythOS?
On our 0-100 score Mastra rates higher (77/100 against 45/100). 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 Mastra and SmythOS compare on the numbers?
Mastra leads on our overall score (77/100 against 45/100), agent readiness (58/100 against 47/100), headcount (53 against 14), LinkedIn following (6,591 against 3,204).
Read the full Mastra review and pricing or the SmythOS review and pricing. You can also browse other Mastra alternatives we track.