MastraTypeScript AI Framework for Agents and Apps
vs
Relay.appAI Agents
Comparison · AI Agents · weekly run Nov 3
Mastra vs Relay.app
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Mastra is the stronger AI pick in AI Agents: it has a visibility score of 1.2 versus 0 for Relay.app.
Choose Mastra if…
- You want the brand AI engines rank higher (1.2 vs 0)
- Type-safe, production-grade application code
- Suited to serious production systems
Choose Relay.app if…
- You need SOC 2 Type 2 coverage
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Mastra | Relay.app |
|---|---|---|
| Visibility score | 1.2% | 0% |
| Change vs last week | New | New |
| Rank in AI Agents | #56 | #79 |
| Share of voice | 0.5% | 0% |
| Mentions this run | 3 | 0 |
| Positive in AI answers | 100% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Mastra 0pp · Relay.app 0pp over 0 weekly runs.
Engine by engine
Mastra leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
MastraRelay.app
Head to head in AI answers
0 engine answers name both brands
0Mastra ranked higher
0Relay.app ranked higher
Features, pricing & fit
| Dimension | Mastra | Relay.app |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Free; paid from $250 / mo | — |
| Free plan | Yes | — |
| Deployment | Self-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform. | Cloud-only |
| Compliance | — | SOC 2 Type 2 |
| Support | Shared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PST | — |
| Founded | 2024 | 2021 |
| Headquarters | San Francisco | San Francisco, CA |
| Employees | 11–50 | — |
| Funding | Series A · $35M raised | Seed |
| Best for | Developers and teams building AI agents in TypeScript and JavaScript | — |
Plans side by side
Relay.app
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Mastra
- Type-safe, production-grade application code
- Suited to serious production systems
Relay.app
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mastra vs Relay.app”, https://slateindex.ai/compare/mastra-vs-relay-app, data of Nov 3, 2026. Licence: CC BY 4.0.