Kujo vs Mastra
Kujo vs Mastra, compared side by side on 13 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: Kujo is on 29/100 and Mastra on 77/100.
Where each one leads
Kujo
Leads on none of the measures we hold for both companies.
Mastra
- our overall score: 77/100 against 29/100
- agent readiness: 58/100 against 29/100
At a glance
| Measure | Kujo | Mastra |
|---|---|---|
| What it is | Kujo finds and contacts anyone, anywhere, running workflows while you sleep. | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. |
| Category | Agentic AI, AI Agent, Workflow Automation, Customer Service Automation | Agentic AI, AI Agents, Developer Tools, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | Not published | 2024 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Kujo | Mastra |
|---|---|---|
| Employees | Not published | 53 |
| Headcount growthLast 12 months | Not published | +204.5% |
| Total funding | Not published | $35.5M |
| Latest round | Not published | Series A |
| LinkedIn followers | Not published | 6,591 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Kujo | Mastra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 29/100 | 77/100 |
| Traction | Not published | 70/100 |
| Team | Not published | 90/100 |
| Community | Not published | 38/100 |
| Search visibility | 13/100 | 68/100 |
| Quality | 48/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (29/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | Not published | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Kujo | Mastra |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Fastly | Vercel |
| Frameworks | Bootstrap | Next.js, Tailwind CSS |
| Open source | No | Yes, 15,100 GitHub stars |
| Self-hostable | No | Yes |
Product and pricing
| Measure | Kujo | Mastra |
|---|---|---|
| Key features | Not published | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular |
What users say
| Measure | Kujo | Mastra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 2 votes |
Kujo vs Mastra: common questions
Which is better, Kujo or Mastra?
On our 0-100 score Mastra rates higher (77/100 against 29/100). 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 13 data points above: read the rows that match what you are buying for.
How do Kujo and Mastra compare on the numbers?
Mastra leads on our overall score (77/100 against 29/100), agent readiness (58/100 against 29/100).
Read the full Kujo review and pricing or the Mastra review and pricing. You can also browse other Kujo alternatives we track.