
Haystack
6.4#10 in llm application development frameworksFree planFree planAPISelf-hosted
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| Fact | Haystack | LlamaIndex |
|---|---|---|
| Deployment | Pipelines can be served as REST APIs or MCP servers with Hayhooks and run on your own infrastructure. | Enterprise customers can deploy LlamaParse in private VPCs, and the pricing page also lists SaaS or hybrid cloud deployment for Enterprise. |
| Integrations | The integrations directory lists 189 integrations, including model providers, vector databases, monitoring tools, and community-built components. | LlamaIndex documents community integrations for data loaders, agent tools, LLMs, vector stores, observability, and application frameworks. |
| Support | deepset offers private, secure engineering support, deployment guides, and flexible services for Haystack framework customers. | The listed support levels are community for Free, basic email support for Starter, priority Slack Connect for Pro, and dedicated support for Enterprise. |
Haystack suits AI developers and engineers building modular, transparent systems for real-world enterprise environments. The open-source framework may fit teams that want to build on their own infrastructure, while the separate Enterprise Platform offers additional development, deployment, and monitoring tools.
LlamaIndex is for developers and enterprises automating document workflows and knowledge work. Its parsing, extraction, classification, and RAG indexing capabilities suit teams building AI applications around document content.