MastraTypeScript AI Framework for Agents and Apps
vs
RasaBuild agents your company brags about
Comparison · AI Agents · weekly run Nov 3
Mastra vs Rasa
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Rasa is the stronger AI pick in AI Agents: it has a visibility score of 2.4 versus 1.2 for Mastra.
Choose Mastra if…
- Type-safe, production-grade application code
- Suited to serious production systems
Choose Rasa if…
- You want the brand AI engines rank higher (2.4 vs 1.2)
- You need a self-hosted or on-premises option
- You prefer a larger, established vendor (51–200 employees)
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Mastra | Rasa |
|---|---|---|
| Visibility score | 1.2% | 2.4% |
| Change vs last week | New | New |
| Rank in AI Agents | #56 | #36 |
| Share of voice | 0.5% | 0.4% |
| Mentions this run | 3 | 3 |
| 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 · Rasa 0pp over 0 weekly runs.
Engine by engine
Rasa leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
MastraRasa
Head to head in AI answers
0 engine answers name both brands
0Mastra ranked higher
0Rasa ranked higher
Features, pricing & fit
| Dimension | Mastra | Rasa |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $250 / mo | Contact sales |
| Free plan | Yes | Yes |
| Deployment | Self-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform. | Self-managed on-premises or private cloud, or managed service |
| Support | Shared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PST | Free community support in the forum, Basic support via online portal with best-effort response during business hours, Premium Support with 24/7/365 response, Customer Success Manager and business reviews |
| Founded | 2024 | 2016 |
| Headquarters | San Francisco | San Francisco, CA, United States |
| Employees | 11–50 | 51–200 |
| Funding | Series A · $35M raised | Series C · $70M raised |
| Best for | Developers and teams building AI agents in TypeScript and JavaScript | Product teams in regulated enterprises that want engineers and business teams to build customer-facing AI agents on one codebase |
Plans side by side
Pros and cons
Themes from the AI answers that mention each brand
Mastra
- Type-safe, production-grade application code
- Suited to serious production systems
Rasa
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mastra vs Rasa”, https://slateindex.ai/compare/mastra-vs-rasa, data of Nov 3, 2026. Licence: CC BY 4.0.