Haystack vs LlamaIndex

In short

• Both: Self-hosted, API, Builds agents and workflows, Search over your data
• Only Haystack states: Choice of models, Traces and evaluates

Haystack

Open-source Python framework for building modular AI agents, RAG systems, search, and other LLM applications.

Plans

Studio

Free

• 1 workspace
• 1 user
• 100 pipeline hours
• 50 files (max 10MB per file)
• 2 development pipelines
• Cloud deployment; Community support on Discord

Enterprise

Price on request

• Unlimited workspaces, users, files (no size limit)
• Unlimited development and production (high availability) pipelines
• Cloud or custom deployment
• Dedicated account team, solution engineers and private Slack channel
• SSO, Role-Based Access Control
• Custom package

Prices checked 2026-09-25 by web search.

Capabilities

• Choice of models — “Swap models and components without rewriting your system” source
• Self-hosted — “Run Haystack in your own environment, get dedicated support or extend it with a cloud or self-hosted platform to test, deploy, and operate pipelines at scale.” source
• API — “Serve pipelines as REST APIs or MCP servers with Hayhooks.” source
• Builds agents and workflows — “Haystack is an open-source AI orchestration framework built by deepset , enabling Python developers to build production-ready AI agents, multimodal applications, and advanced RAG systems .” source
• Search over your data — “Build highly performant RAG pipelines with a multitude of retrieval and generation strategies.” source
• Traces and evaluates — “Use tracing , logging , and evaluation tools to monitor retrieval quality, latency, tool usage, and outputs and iteratively refine your system.” source

Latest updates

• 2026-09-24 Haystack 3.2.0 (3.2.0)

  Release notes for Haystack 3.2.0

• 2026-09-03 Haystack 3.1.1 (3.1.1)

  Release notes for Haystack 3.1.1

• 2026-08-25 Haystack 3.1.0 (3.1.0)

  Release notes for Haystack 3.1.0

LlamaIndex

LlamaIndex is an open-source framework for building AI agents and applications that use private data, retrieval, workflows, and document processing.

Plans

Free

Free

• Includes 10K credits
• 100 users
• Basic support
• Join thousands of users

Starter

• $50 /month

• Includes 40K credits
• Pay-as-you-go up to 400K credits
• 100 users
• Basic support

Pro

• $500 /month

• Includes 400k credits
• Limited-time bonus: 800k credits ($1,000), one-time*
• Pay-as-you-go up to $5,000/mo
• 100 users
• Priority Slack support

Enterprise

Price on request

• Volume discount on credits
• 5x higher rate limits
• Enterprise SSO
• SaaS or Hybrid cloud deployment
• Dedicated account manager

Prices checked 2026-09-25 on the maker’s page.

Capabilities

• Self-hosted — “For enterprises, we also offer deployment in private VPCs across all cloud providers, ensuring data never leaves your tenant.” source
• API — “Webhooks & API callbacks” source
• Builds agents and workflows — “Builder Natural language to code workflows builder” source
• Search over your data — “Enterprise-grade chunking and embedding pipeline. Built to deliver precision and relevance in every retrieval call for best-in-class RAG.” source

Security

• SOC 2 Type II — “SOC 2 Type II Report (2025)” source
• SOC 2 — “SOC 2 Type II Report (2025)” source

Latest updates

• 2026-09-21 v0.14.25 (v0.14.25)
• 2026-08-19 v0.14.24 (v0.14.24)

  Fixed issues with CodeSplitter, chat history, HTMLNodeParser, MMR search, ingestion upserts, tool parameters, filters, and AgentWorkflow output.

• 2026-04-21 v0.14.21 (v0.14.21)

  Fixed core issues in node deletion, structured output failures, persistence encoding, and message block buffer resolution.