Updated March 27, 2026
LLM context compression for better accuracy — compresses long contexts to fit more relevant information while maintaining quality.
Haystack by deepset is an open-source framework for building production-ready RAG pipelines, semantic search, and question answering systems. It provides modular components for document processing, retrieval, and generation with support for multiple LLM providers and vector stores.
Core capabilities each platform advertises.
What each tool does well, and the limitations to keep in mind.
Pros
Cons
Pros
Cons
Choose Compresr if you wantChoose if you want
Choose Haystack if you wantChoose if you want
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