H
research

Haystack (OSS)

Open-source LLM framework by deepset for RAG, agents, and pipelines; production-tested with adapters to common vector DBs and providers.
oss rag agents
Intermediate Level
Free (open-source)
Starting Price
Try Haystack (OSS)
Category
research
Setup Time
< 2 minutes
research
Category
Intermediate
Difficulty
Active
Status
Web App
Type

What is Haystack (OSS)?

Build Production-Ready RAG & Agents — Haystack

Compose pipelines for retrieval and agent workflows with swappable components. Plug into your preferred vector DB, LLM provider, and tools; trace and evaluate as you iterate. Backed by a strong OSS community and maintained by deepset for real-world reliability.

Key Capabilities

What makes Haystack (OSS) powerful

Stores & Retrievers

Choose from vector stores and retrievers for speed/recall tradeoffs.

Implementation Level Intermediate

Readers & Agents

Answer or act via readers, rerankers, and tool-calling agents.

Implementation Level Intermediate

Eval & Observability

Measure quality and latency; compare prompts and providers.

Implementation Level Intermediate

Deploy & Scale

Package pipelines for production on your own infra or alongside deepset’s platform.

Implementation Level Intermediate

Professional Integration

These capabilities work together to provide a comprehensive AI solution that integrates seamlessly into professional workflows. Each feature is designed with enterprise-grade reliability and performance.

Pricing

Start using Haystack (OSS) today

Free (open-source)

Starting price

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Quick Information

Category research
Pricing Model Freemium
Last Updated 11/17/2025

Tags

oss rag agents retrieval evals vector-stores

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