Mastra vs Twill
Mastra vs Twill, 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 Twill on 37/100.
Where each one leads
Mastra
- our overall score: 77/100 against 37/100
- domain rating: 76/100 against 35/100
- headcount: 53 against 5
- LinkedIn following: 6,591 against 2,750
Twill
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Mastra | Twill |
|---|---|---|
| What it is | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. | An AI software engineer that connects your repositories and infrastructure to autonomously complete development tasks, improving with every run. |
| Category | Agentic AI, AI Agents, Developer Tools, Open Source | Agentic AI, AI Agent, Multi-Agent Systems, API Platform |
| 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 | Twill |
|---|---|---|
| Employees | 53 | 5 |
| Headcount growthLast 12 months | +204.5% | Not published |
| Total funding | $35.5M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | 6,591 | 2,750 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mastra | Twill |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 77/100 | 37/100 |
| Traction | 70/100 | 8/100 |
| Team | 90/100 | 60/100 |
| Community | 38/100 | Not published |
| Search visibility | 68/100 | 45/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | C (62/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 35/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mastra | Twill |
|---|---|---|
| Hosting | Vercel | Google Cloud |
| CDN | Vercel | Not detected |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Open source | Yes, 15,100 GitHub stars | Yes |
| Self-hostable | Yes | Yes |
Product and pricing
| Measure | Mastra | Twill |
|---|---|---|
| Key features | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular | AI-Powered MCP Server Building, Debugging Playgrounds, Continuous LLM Evaluation, Enterprise Hosting with Observability, Accelerated Time-to-Market, Collaborative AI-First Workflow |
What users say
| Measure | Mastra | Twill |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 2 votes | Not published |
Mastra vs Twill: common questions
Which is better, Mastra or Twill?
On our 0-100 score Mastra rates higher (77/100 against 37/100). 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 Twill compare on the numbers?
Mastra leads on our overall score (77/100 against 37/100), domain rating (76/100 against 35/100), headcount (53 against 5), LinkedIn following (6,591 against 2,750).
Read the full Mastra review and pricing or the Twill review and pricing. You can also browse other Mastra alternatives we track.