Haystack

Haystack is the open-source AI framework for building production-ready agents, RAG pipelines, and context-engineered systems. Modular architecture with full visibility to inspect, debug, and optimize every AI decision. Connects to OpenAI, Anthropic, Mistral, HuggingFace, and more. Sets the standard for agentic AI across industries.

Key Features

• Production-ready agents and RAG pipelines
• Modular framework with full observability
• Multi-provider: OpenAI, Anthropic, Mistral, HuggingFace
• Context engineering and memory management
• pip install haystack-ai