Mastra vs ZoomInfo
Side-by-side comparison to help you choose the best tool.
Mastra
freeMastra is an open-source TypeScript AI system for building agents, workflows, and RAG applications. It provides a unified abstraction for LLM calls, tool use, memory, and workflow orchestration with built-in evaluation and observability. Mastra is designed as a production-ready system with a developer experience comparable to Next.js for AI application development.
ZoomInfo
paidZoomInfo is the leading B2B intelligence platform, providing verified contact and company data for 300M+ professionals and 100M+ companies. Its AI features include intent data for identifying in-market buyers, AI ICP scoring, and predictive analytics for pipeline. Used by enterprise sales and marketing teams at Salesforce, Google, and Microsoft, ZoomInfo is the gold standard for B2B data quality.
| Feature | Mastra | ZoomInfo |
|---|---|---|
| Pricing | free | paid |
| Category | - | - |
| Rating | 4.3 | 4.4 |
| Best For | TypeScript developers building production AI agents, workflows, and RAG applications who want a modern, opinionated system with excellent DX | Enterprise sales and marketing teams needing the highest-quality B2B contact data with intent signals for targeted outreach |
| Views | 36 | 37 |
Pros
- TypeScript-first for frontend and full-stack teams
- Production-ready with built-in evaluation
- Developer experience comparable to Next.js
Cons
- TypeScript only
- Newer framework with smaller community
Pros
- Industry gold standard for B2B data quality
- Intent data helps identify active buyers
- Deepest technology install data available
Cons
- Expensive enterprise pricing
- Data still has errors — requires hygiene processes
- TypeScript AI agent framework
- Workflow orchestration
- RAG with built-in vector search
- Built-in evaluation
- Model-agnostic
- 300M+ verified B2B contact database
- Intent data & buyer signals
- AI ICP scoring
- Technology install data
- CRM & MAP integrations