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Real-Time AI Data Pipeline Stack

$0/mo

Build RAG systems over continuously updated data with streaming ETL, live vector indexes, and database AI agents.

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What This Stack Does

Pathway provides real-time ETL with a Python API and Rust engine for streaming data processing. LanceDB stores vectors on disk with automatic versioning and hybrid search. DB-GPT adds multi-agent orchestration for complex data analysis workflows. Weaviate offers distributed vector search with built-in vectorization modules.

The Bottom Line

This stack targets teams building RAG systems that need live context rather than stale batch embeddings. Pathway continuously processes incoming data and updates vector indexes. LanceDB handles the storage layer. DB-GPT provides agents for automated analysis and reporting. Weaviate scales to billions of vectors for enterprise workloads.

Stack Overview

ToolRolePricingOpen Source
PathwayReal-Time ETL EngineFree open-source (Apache 2.0); Enterprise cloud availableYes
LanceDBEmbedded Vector StorageFree open-source; Cloud Pro $39/mo; Enterprise customYes
DB-GPTAI Data AgentsFree and open-source (MIT)Yes
WeaviateDistributed Vector SearchSelf-hosted free (BSD 3-Clause). Weaviate Cloud includes Engram always-free plus Flex pay-as-you-go, Premium, and Enterprise plans.Yes
Real-Time AI Data Pipeline Stack — aicoolies