Haystack vs Mastra

Pick two tools from the same category to compare side-by-side.

	Haystack Open-source Python orchestration framework from deepset for production LLM and RAG applications.	Mastra TypeScript-first agent framework with workflows, RAG, memory, evals.
Category	framework	framework
Vendor type	hybrid	open source
Pricing	freemium	free
Strengths	+ Transparent, modular pipeline architecture + Strong, mature support for RAG and retrieval workflows + Broad ecosystem of model and document-store integrations + Production focus with a commercial platform option from deepset	+ First-class TypeScript / Node ergonomics + Provider-agnostic from day one + Batteries-included (RAG, memory, evals)
Tradeoffs	− Pipeline/component model adds boilerplate for simple tasks − Historically RAG-centric, with agents added more recently	− Younger ecosystem vs LangChain/LangGraph − Less Python community overlap
Used in stacks	0	4