Haystack: Modular Python Framework for RAG and Agent Pipelines
June 24, 2026
Haystack is an open-source Python framework for building production RAG and agentic systems with serializable, cloud-agnostic pipelines. It integrates with OpenAI, Anthropic, Mistral, Hugging Face, Weaviate, Pinecone, and Elasticsearch, with built-in observability and no vendor lock-in.
HOW THIS AFFECTS YOU
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builderYou can install via pip and use composable pipeline components to go from RAG prototype to production without switching tooling.