Alternatives to Pinecone

Fully managed serverless vector database on Milvus with tiered storage and usage-based billing for GenAI apps

Open-source context retrieval layer that syncs your apps and databases and answers AI agent queries with grounded, real-time data.

TiDB is an open-source distributed SQL database for AI agent memory, vector search, ACID transactions, and real-time HTAP analytics.

Serverless, PostgreSQL-compatible database with GPU-accelerated vector search, built for AI agent workloads.

MongoDB Atlas pairs native vector search and hybrid retrieval with the operational database your AI apps already run on.

Open-source vector database for billion-scale AI similarity search and RAG

Fully managed vector lakebase for billion-scale AI search, RAG, and recommendations, built on open-source Milvus.

Zvec: open-source, in-process vector database with sub-millisecond search at billion scale.

Data-access runtime that sits between your AI agents and your databases, files, and APIs — caching, redacting, and gating writes.

AI-native graph database engine that fuses GraphRAG vector search with OpenCypher traversal at sub-10ms P99 latency

One universal database engine that fuses vector, graph, document, columnar, key-value, and full-text search behind a single SQL query.

TopK is a unified retrieval engine — search, multi-vector models, and inference in one API for high-recall RAG and agent memory at billion-document scale.

Open-source RAG engine that turns messy documents into a trustworthy context layer for AI agents, with ETL, hybrid search and agentic retrieval.

Open-source AI database unifying vector search, RAG, embeddings, and managed agent memory in one platform.

Open-source Microsoft Research RAG that builds a knowledge graph and community summaries from your documents, then queries them in four modes.

Qdrant is an open-source vector database for production-grade semantic search, hybrid retrieval, and AI agent memory.

pgvector adds open-source vector similarity search to Postgres so you keep embeddings next to your relational data.

Open-source search infrastructure for AI that keeps vectors, metadata and indexes on cheap object storage.

Memgraph is an in-memory graph database built for GraphRAG, AI memory, and real-time graph analytics on one engine.

Free, MIT-licensed web admin UI for the Chroma embedding database, built with Next.js

Open-source incremental data framework for AI agents, processing only deltas for always-fresh context.

Open-source cloud-native data warehouse in Rust unifying analytics, vector search, and full-text search on object storage.

Powabase is a managed Postgres backend for AI apps, bundling RAG, agents, and visual workflows behind one REST API.

Ragie Connect is a managed RAG API that syncs Google Drive, Notion, and Slack into agent-ready context — until its July 19 shutdown.

Dkg Engine is the self-hosted node software for the OriginTrail Decentralized Knowledge Graph — verifiable, AI-ready memory for agents.

Graph and vector persistent memory for AI agents — push JSON, get a typed, searchable graph.

Vespa is a distributed AI search platform unifying vector, text, and ML ranking at scale.

Vespa AI is an open-source search platform that unifies vector, text, and ML ranking at scale.

Apache Doris: open-source real-time SQL analytics, full-text search, and vector search for AI

Neon is a serverless Postgres backend platform from Databricks with instant branching, autoscaling, and bundled auth, storage, functions, and an AI Gateway.