MastraTypeScript AI Framework for Agents and Apps
vs
ReplitDescribe what you want. Replit builds it.
Comparison · AI Agents · weekly run Nov 3
Mastra vs Replit
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Replit is the stronger AI pick in AI Agents: it has a visibility score of 2.3 versus 1.2 for Mastra.
Choose Mastra if…
- AI answers describe it more positively (100% vs 69% positive)
- Type-safe, production-grade application code
- Suited to serious production systems
Choose Replit if…
- You want the brand AI engines rank higher (2.3 vs 1.2)
- You want a lower entry price ($20 vs $250)
- You need SOC 2 coverage
- You prefer a larger, established vendor (201–500 employees)
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Mastra | Replit |
|---|---|---|
| Visibility score | 1.2% | 2.3% |
| Change vs last week | New | New |
| Rank in AI Agents | #56 | #40 |
| Share of voice | 0.5% | 0.3% |
| Mentions this run | 3 | 2 |
| Positive in AI answers | 100% | 69% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Mastra 0pp · Replit 0pp over 0 weekly runs.
Engine by engine
Replit leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
MastraReplit
Head to head in AI answers
0 engine answers name both brands
0Mastra ranked higher
0Replit ranked higher
Features, pricing & fit
| Dimension | Mastra | Replit |
|---|---|---|
| Pricing model | Flat tiers | Flat tiers |
| Entry price | Free; paid from $250 / mo | Free; paid from $20 / mo |
| Free plan | Yes | Yes |
| Deployment | Self-hosted on any Node.js-compatible environment, or hosted on Mastra Cloud and Mastra Platform. | Hosted cloud service, with Bring Your Own Cloud and single-tenant options for enterprise customers. |
| Integrations | — | 450+ |
| Compliance | — | SOC 2 |
| Support | Shared Slack support channel (Enterprise), Dedicated support engineer (Enterprise), SLA support 8-5 Monday-Friday, 8am-6pm PST | In-app help via the ? icon, Premium support on the Pro plan, Dedicated premium support on the Enterprise plan |
| Founded | 2024 | 2016 |
| Headquarters | San Francisco | Foster City, California, US |
| Employees | 11–50 | 201–500 |
| Funding | Series A · $35M raised | Series D |
| Best for | Developers and teams building AI agents in TypeScript and JavaScript | Founders, product managers and non-programmers who want to turn ideas into apps, and commercial teams building professional apps on the Pro plan. |
Plans side by side
Replit
Core$20month, $18/month billed annually
Pro$100month, $90/month billed annually
EnterpriseCustomcustom, contact sales
Pros and cons
Themes from the AI answers that mention each brand
Mastra
- Type-safe, production-grade application code
- Suited to serious production systems
Replit
- Browser-based development with no local setup needed
- Replit Agent builds and deploys apps quickly from prompts
- Well suited to rapid prototyping
- Beginner-friendly environment
- Free tier with cloud environment and built-in AI assistance
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Mastra vs Replit”, https://slateindex.ai/compare/mastra-vs-replit, data of Nov 3, 2026. Licence: CC BY 4.0.