Semantic Search Over Documents

Haystack is deepset's open-source Python framework for building production LLM apps: modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Model- and vendor-agnostic, with built-in components for RAG, semantic search, evaluation, and async streaming.

AI Frameworks | Python · llm-orchestration · rag

Weaviate is a Go-based, cloud-native vector database storing objects and vectors together, so you can combine vector similarity search with structured filtering, hybrid BM25 search, integrated vectorization, RAG, and reranking in one API.

RAG | Go · vector-database · semantic-search