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Alternatives to Haystack

Qdrant
QdrantQdrant is a high-performance, open-source vector search engine and database written in Rust. Build production-ready RAG pipelines, recommendation systems, and semantic search at scale.
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R
Ray ServeRay Serve is an open-source, scalable model serving framework built on Ray for deploying ML models, LLMs, and multi-model pipelines in production.
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MLflow
MLflowMLflow is the largest open source AI engineering platform. Debug, evaluate, monitor, and deploy AI agents, LLMs, and ML models with 30M+ monthly downloads.
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ZenML
ZenMLZenML is an open-source AI control plane for orchestrating ML pipelines and LLM agent workflows with automated versioning, infrastructure abstraction, and governance from local to Kubernetes.
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W
WhyLabsWhyLabs is an open-source AI observability platform for monitoring ML models and LLMs in production. Includes whylogs for data logging and langkit for LLM security.
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Arize Phoenix AI
Arize Phoenix AIArize Phoenix is an open-source LLM observability platform built on OpenTelemetry. Instrument, trace, evaluate, and optimize AI applications in real time—framework-agnostic and vendor-lock-in free.
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Neum AI RAG Pipeline
Neum AI RAG PipelineNeum AI is an open-source RAG framework to build, scale, and maintain real-time data pipelines for Retrieval Augmented Generation and semantic search applications.
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UpTrain AI
UpTrain AIEnterprise-grade, open-source tooling to evaluate, experiment, monitor, and test LLM applications. Self-host on your secure cloud or use the managed version.
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Quivr
QuivrQuivr is an opinionated open-source RAG framework supporting any LLM (GPT-4, Groq, Llama) and vectorstore (PGVector, Faiss). Build AI-powered apps faster without reinventing retrieval pipelines.
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Gorilla LLM
Gorilla LLMGorilla is an open-source LLM from UC Berkeley that connects with massive APIs, enabling state-of-the-art function calling across Python, Java, JavaScript, and REST APIs. Includes BFCL benchmarking, RAFT fine-tuning, and the GoEX execution engine.
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