Mastra vs TanStack
Mastra vs TanStack, 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: Mastra is on 77/100 and TanStack on 50/100.
Where each one leads
Mastra
- our overall score: 77/100 against 50/100
- agent readiness: 58/100 against 44/100
- headcount: 53 against 10
- funding raised: $35.5M against $1.0M
- LinkedIn following: 6,591 against 2,763
TanStack
Leads on none of the measures we hold for both companies.
At a glance
| Measure | Mastra | TanStack |
|---|---|---|
| What it is | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. | Developer tools for building modern web applications. |
| Category | Agentic AI, AI Agents, Developer Tools, Open Source | Software Development, Developer Tools, Open Source, JavaScript Libraries |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2024 | 2020 |
| Headquarters | San Francisco, United States | San Francisco, Canada |
| Status | Active | Active |
Size, funding and growth
| Measure | Mastra | TanStack |
|---|---|---|
| Employees | 53 | 10 |
| Headcount growthLast 12 months | +204.5% | Not published |
| Total funding | $35.5M | $1.0M |
| Latest round | Series A | Seed |
| LinkedIn followers | 6,591 | 2,763 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Mastra | TanStack |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 77/100 | 50/100 |
| Traction | 70/100 | 40/100 |
| Team | 90/100 | 30/100 |
| Community | 38/100 | Not published |
| Search visibility | 68/100 | 24/100 |
| Quality | 78/100 | 62/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (58/100) | D (44/100) |
| Domain ratingLink authority, 0-100 | 76/100 | 83/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Mastra | TanStack |
|---|---|---|
| Hosting | Vercel | Not detected |
| CDN | Vercel | Cloudflare |
| CMS | Not detected | Lovable |
| Frameworks | Next.js, Tailwind CSS | Tailwind CSS |
| Open source | Yes, 15,100 GitHub stars | Yes |
| Self-hostable | Yes | Yes |
Product and pricing
| Measure | Mastra | TanStack |
|---|---|---|
| Key features | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular | Not published |
What users say
| Measure | Mastra | TanStack |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 5.0/5 from 2 votes | Not published |
Mastra vs TanStack: common questions
Which is better, Mastra or TanStack?
On our 0-100 score Mastra rates higher (77/100 against 50/100). 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 Mastra and TanStack compare on the numbers?
Mastra leads on our overall score (77/100 against 50/100), agent readiness (58/100 against 44/100), headcount (53 against 10), funding raised ($35.5M against $1.0M), LinkedIn following (6,591 against 2,763).
Read the full Mastra review and pricing or the TanStack review and pricing. You can also browse other Mastra alternatives we track.

