Haystack
Open-source framework from deepset for building search, RAG, question-answering, and agent pipelines.
- Main use case
- Python teams building explicit, component-based retrieval and generation pipelines.
- Open source
- Open source
- Self-hosting
- Yes
- Cloud
- Partial / depends on edition
- Pricing note
- Open-source framework; verify enterprise or hosted platform pricing from official source.
- Target users
- developers, AI engineers, enterprise search teams
Strengths
- Pipeline-oriented architecture
- Strong search and document QA heritage
- Production-minded design
Limitations
- Best for teams comfortable with Python engineering
- Hosted options and names should be verified
How to evaluate this tool
- Test Haystack with a small representative corpus.
- Verify official documentation, pricing, licensing, and deployment options.
- Measure retrieval quality, latency, and operational complexity.
- Check whether the team can maintain ingestion, updates, logs, and evaluation.