Open-source LLM framework to build production-ready applications
- Use the latest LLMs: hosted models by OpenAI or Cohere, open-source LLMs, or other pre-trained models
- All tooling in one place: preprocessing, pipelines, agents & tools, prompts, evaluation and finetuning
- Choose your favorite database: Elasticsearch, OpenSearch, Weaviate, Pinecone, Qdrant, Milvus and more
- Scale to millions of documents: use Haystack's proven retrieval architecture
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Enabling Semantic Search
Ask questions in natural language and find granular answers in your documents using the latest QA models with the help of Haystack pipelines.
Perform semantic search and retrieve ranked documents according to meaning, not just keywords!
Pick any Transformer model from Hugging Face's Model Hub, experiment, find the one that works.
Flexible Document Store
Use Haystack NLP components on top of Elasticsearch, OpenSearch, or plain SQL.
Boost search performance with Pinecone, Milvus, FAISS, or Weaviate vector databases, and dense passage retrieval.
Build semantic search and question answering applications that can scale to millions of documents.
Building blocks for the entire product development cycle such as file converters, indexing functions, models, labeling tools, domain adaptation modules, and REST API.
It's not one-size-fits-all! Combine nodes into flexible and scalable pipelines and launch powerful natural language processing systems.
Start exploring Haystack!
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