Side-by-side comparison

LlamaIndex vs Haystack

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

SignalLlamaIndexHaystack
TaglineA framework and managed platform for document ingestion, retrieval, workflows, and knowledge agents.An open-source Python framework for retrieval, agents, and production AI pipelines.
CategoryDeveloper toolsDeveloper tools
PricingFreemiumOpen source
PlatformsPython, TypeScript, WebPython, Linux, API
Features
  • Document ingestion, indexing, and retrieval libraries
  • Managed parsing and agent workflow services
  • Composable retrieval and generation pipelines
  • Document stores, agents, and evaluation integrations
TagsAPI, Open source, ResearchCoding, Open source, Research
Community0 votes · 0 saves0 votes · 0 saves

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

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