Haystack
Open-source framework for RAG pipelines and agents.
Key features
- Wire retrieval, reasoning, memory, and tools into agent flows
- Plug in OpenAI, Anthropic, Mistral, Hugging Face, and vector databases
- Run serializable pipelines on Kubernetes with logging and monitoring
- Build RAG using hybrid retrieval and self-correction loops
- Process images and transcribe audio alongside text
- Category
- Agents
- Who it's for
- Teams and developers building LLM-powered agents and NLP applications.
- Tags
- pythonragopen-modelsobservabilitydatabasecontainersvoice-speechimage-video
- Website
- haystack.deepset.ai
- Listed
- 2026-09-15
Frequently asked questions
Is Haystack free?
Yes. Haystack is open source and free to use.
What is Haystack used for?
Open-source framework for RAG pipelines and agents. Typical uses: wire retrieval, reasoning, memory, and tools into agent flows; plug in OpenAI, Anthropic, Mistral, Hugging Face, and vector databases; run serializable pipelines on Kubernetes with logging and monitoring.
What are the best Haystack alternatives?
Alternatives in the same category include Flowise, LearnHarness, Agno, CrewAI, E2B.
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- Amazon Bedrock AgentCore Serverless AgentCore Runtime in Amazon Bedrock for deploying and scaling AI agents.
