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Haystack vs Mastra
Side-by-side comparison of Haystack and Mastra — features, pricing, performance scores, and which to choose for your AI agents.
View All Framework ComparisonsQuick Verdict
| Dimension | Haystack | Mastra | Winner |
|---|---|---|---|
Ease of Use | 4/5 | 4/5 | Tie |
Scalability | 4/5 | 4/5 | Tie |
Documentation | 5/5 | 4/5 | Haystack |
Community | 4/5 | 3/5 | Haystack |
Performance | 4/5 | 4/5 | Tie |
Overall: Haystack wins 2 categories, Mastra wins 0, 3 tied
Feature Comparison
| Feature | Haystack | Mastra |
|---|---|---|
| Primary Language | Python | TypeScript |
| License | Apache-2.0 | MIT |
| Pricing | Open Source + Cloud | Open Source |
| GitHub Stars | 17,900 | 7,500 |
| Difficulty | Intermediate | Intermediate |
| Enterprise Ready | ||
| Community Size | Large | Medium |
| Category | RAG & Knowledge | Multi-Agent Systems |
Pros & Cons
Haystack
Advantages
Excellent for semantic search and RAG
Modular pipeline architecture
Strong deepset backing and support
Good documentation
Apache 2.0 license
deepset Cloud for managed hosting
Limitations
Primarily RAG-focused not general agents
Learning curve for pipeline design
Smaller community than LangChain
Agent features less mature
Mastra
Advantages
TypeScript-first framework
Good for JavaScript developers
YC-backed with funding
MIT license
Quick development focus
Limitations
Very new framework
Small community
Limited documentation
Fewer integrations than Python frameworks
Best Use Cases
Haystack
Semantic document search
Question answering over documents
Retrieval-Augmented Generation
Information extraction pipelines
Conversational search
Agent-based document analysis
Mastra
TypeScript AI applications
Next.js AI integrations
Node.js agent systems
Rapid MVP development
Getting Started
Haystack
Installation
pip install haystack-ai
Mastra
Installation
npm install @mastra/core
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