Griptape vs Mastra
Griptape vs Mastra, compared side by side on 19 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: Griptape is on 50/100 and Mastra on 77/100.
Where each one leads
Griptape
Leads on none of the measures we hold for both companies.
Mastra
- our overall score: 77/100 against 50/100
- agent readiness: 58/100 against 52/100
- domain rating: 76/100 against 42/100
- headcount: 53 against 20
- funding raised: $35.5M against $12.5M
- LinkedIn following: 6,591 against 1,570
At a glance
| Measure | Griptape | Mastra |
|---|---|---|
| What it is | Griptape provides an AI agent framework and cloud platform for developers to build, deploy, and scale reliable AI agents and workflows using their own data. | An open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby. |
| Category | Agentic AI | Agentic AI, AI Agents, Developer Tools, Open Source |
| Sells toBusiness model | B2B | B2B |
| Offering | Not published | Platform |
| Founded | 2023 | 2024 |
| Headquarters | Not published | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Griptape | Mastra |
|---|---|---|
| Employees | 20 | 53 |
| Headcount growthLast 12 months | Not published | +204.5% |
| Total funding | $12.5M | $35.5M |
| Latest round | Not published | Series A |
| LinkedIn followers | 1,570 | 6,591 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Griptape | Mastra |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 50/100 | 77/100 |
| Traction | 49/100 | 70/100 |
| Team | 30/100 | 90/100 |
| Community | Not published | 38/100 |
| Search visibility | 36/100 | 68/100 |
| Quality | 58/100 | 78/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (52/100) | D (58/100) |
| Domain ratingLink authority, 0-100 | 42/100 | 76/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Griptape | Mastra |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | Google Tag Manager, PostHog | Not detected |
| Support stack | Intercom | Not detected |
| Open source | Yes | Yes, 15,100 GitHub stars |
| Self-hostable | No | Yes |
Product and pricing
| Measure | Griptape | Mastra |
|---|---|---|
| Key features | Off-Promptâ„¢ Security & Performance, Seamless Deployment & Scaling, Comprehensive Monitoring & Management, Automated Data Preparation, Retrieval as a Service, Structure Runtime | AI Agent Framework, Workflows, RAG, Evals, Memory & Tool Selection, Open Source & Modular |
What users say
| Measure | Griptape | Mastra |
|---|---|---|
| Community ratingVisitor votes on StartupHub | Not published | 5.0/5 from 2 votes |
Griptape vs Mastra: common questions
Which is better, Griptape or Mastra?
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 19 data points above: read the rows that match what you are buying for.
How do Griptape and Mastra compare on the numbers?
Mastra leads on our overall score (77/100 against 50/100), agent readiness (58/100 against 52/100), domain rating (76/100 against 42/100), headcount (53 against 20), funding raised ($35.5M against $12.5M), LinkedIn following (6,591 against 1,570).
Read the full Griptape review and pricing or the Mastra review and pricing. You can also browse other Griptape alternatives we track.