Side-by-side comparison

Haystack vs LlamaIndex

A factual comparison generated from the two reviewed directory profiles. Follow the official links for current plan limits and product terms.

Signal	Haystack	LlamaIndex
Tagline	An open-source Python framework for retrieval, agents, and production AI pipelines.	A framework and managed platform for document ingestion, retrieval, workflows, and knowledge agents.
Category	Developer tools	Developer tools
Pricing	Open source	Freemium
Platforms	Python, Linux, API	Python, TypeScript, Web
Features	Composable retrieval and generation pipelines Document stores, agents, and evaluation integrations	Document ingestion, indexing, and retrieval libraries Managed parsing and agent workflow services
Tags	Coding, Open source, Research	API, Open source, Research
Community	0 votes · 0 saves	0 votes · 0 saves

Choose Haystack when

An open-source Python framework for retrieval, agents, and production AI pipelines.

Haystack is an open-source Python framework for retrieval, agents, and production AI pipelines. Its reviewed product surface includes composable retrieval and generation pipelines and document stores, agents, and evaluation integrations. The primary documented workflow is to build source-grounded search and question-answering systems.

Read the Haystack profile

Choose LlamaIndex when

A framework and managed platform for document ingestion, retrieval, workflows, and knowledge agents.

LlamaIndex supplies open-source libraries and managed services for connecting AI applications to documents and enterprise data. Its tools cover document parsing, indexing, retrieval, workflows, and agents that reason over private knowledge.

Read the LlamaIndex profile