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Haystack

Haystack is an AI orchestration framework for building modular LLM, retrieval, RAG, search, and agent pipelines.

Best for: Python teams building one modular LLM or RAG pipeline with deliberately selected models, datastores, integrations, and telemetry settings.

Limitations: A turnkey memory product or confidential documents before model, datastore, telemetry, and managed-service paths are reviewed.

Public use

25,900 GitHub stars · 2,920 forks

Activity

Release v2.31.0 on 8 Jul 2026 · repository updated 14 Jul 2026

Community

76 open issues · Discussions available

Checked

14 Jul 2026

Source facts only. Not tested or recommended by Agent Blocks.