Langflow vs Mastra
Langflow vs Mastra, compared side by side on 22 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: Langflow is on 32/100 and Mastra on 77/100.
Where each one leads
Langflow
- LinkedIn following: 16,421 against 6,591
Mastra
- our overall score: 77/100 against 32/100
- agent readiness: 58/100 against 50/100
- headcount: 53 against 17
At a glance
| Measure | Langflow | Mastra |
|---|---|---|
| What it is | Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems. | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. |
| Category | Agentic AI, AI Agent Builder, Automation, Low Code | Agentic AI, AI Agents, Developer Tools, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2020 | 2024 |
| Headquarters | Lisbon, Portugal | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Langflow | Mastra |
|---|---|---|
| Employees | 17 | 53 |
| Headcount growthLast 12 months | Not published | +204.5% |
| Total funding | Not published | $35.5M |
| Latest round | Not published | Series A |
| LinkedIn followers | 16,421 | 6,591 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Langflow | Mastra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 32/100 | 77/100 |
| Traction | 13/100 | 70/100 |
| Team | 30/100 | 90/100 |
| Community | 20/100 | 38/100 |
| Search visibility | 44/100 | 68/100 |
| Quality | Not published | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (50/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 72/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Langflow | Mastra |
|---|---|---|
| Hosting | Vercel | Vercel |
| CDN | Vercel | Vercel |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Analytics | Google Analytics 4 | Not detected |
| Open source | Yes | Yes, 15,100 GitHub stars |
| Self-hostable | Yes | Yes |
Product and pricing
| Measure | Langflow | Mastra |
|---|---|---|
| Key features | Visual AI Workflow Builder, Extensive Tool & Model Support, Python Customization & Control, Rapid Iteration & Deployment, Docling Bundle for Document Processing, Windows Desktop Support | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular |
What users say
| Measure | Langflow | Mastra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 2 votes |
Langflow vs Mastra: common questions
Which is better, Langflow or Mastra?
On our 0-100 score Mastra rates higher (77/100 against 32/100). 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 22 data points above: read the rows that match what you are buying for.
How do Langflow and Mastra compare on the numbers?
Langflow leads on LinkedIn following (16,421 against 6,591). Mastra leads on our overall score (77/100 against 32/100), agent readiness (58/100 against 50/100), headcount (53 against 17).
Read the full Langflow review and pricing or the Mastra review and pricing. You can also browse other Langflow alternatives we track.