Mastra vs TTML Library
Mastra vs TTML Library, 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: Mastra is on 74/100 and TTML Library on 9/100.
Where each one leads
Mastra
- our overall score: 74/100 against 9/100
- agent readiness: 58/100 against 46/100
- domain rating: 76/100 against 19/100
TTML Library
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Mastra | TTML Library |
|---|---|---|
| What it is | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. | Search, download, and contribute synchronized lyrics in TTML & LRC formats. |
| Category | AI Agent, Agentic AI, Developer Tools, Open Source | Lyrics Database, API, Open Source, Music Technology |
| Sells toBusiness model | B2B | Not published |
| Offering | Platform | Platform |
| Founded | 2024 | 2026 |
| Headquarters | San Francisco, United States | Not published |
| Status | Active | Active |
Size, funding and growth
| Measure | Mastra | TTML Library |
|---|---|---|
| Employees | 56 | Not published |
| Headcount growthLast 12 months | +83.5% | Not published |
| Total funding | $35.5M | Not published |
| Latest round | Series A | Not published |
| LinkedIn followers | 7,648 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mastra | TTML Library |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 74/100 | 9/100 |
| Traction | 70/100 | Not published |
| Team | 70/100 | Not published |
| Community | 25/100 | Not published |
| Search visibility | 69/100 | 6/100 |
| Quality | 78/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | D (46/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 19/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mastra | TTML Library |
|---|---|---|
| Hosting | Vercel | Self Managed |
| CDN | Vercel | Not detected |
| Frameworks | Next.js, Tailwind CSS | Next.js, Tailwind CSS |
| Open source | Yes, 15,100 GitHub stars | No |
| Self-hostable | Yes | No |
Product and pricing
| Measure | Mastra | TTML Library |
|---|---|---|
| Key features | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular | Not published |
What users say
| Measure | Mastra | TTML Library |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 2 votes | Not published |
Mastra vs TTML Library: common questions
Which is better, Mastra or TTML Library?
On our 0-100 score Mastra rates higher (74/100 against 9/100). 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 Mastra and TTML Library compare on the numbers?
Mastra leads on our overall score (74/100 against 9/100), agent readiness (58/100 against 46/100), domain rating (76/100 against 19/100).
Read the full Mastra review and pricing or the TTML Library review and pricing. You can also browse other Mastra alternatives we track.