Alternatives to Pinecone

Distributed transactional document database with vector search for AI agents.

Open-source RAG engine for high-precision retrieval and agent orchestration, deployable on-prem for data control.

Open-source vector database for billion-scale AI similarity search.

Open-source AI search engine uniting vector, text, and ML ranking at scale.

Open-source vector similarity search for Postgres — add embeddings to your existing database.

Fully managed vector lakebase for production-scale AI search, RAG, and recommendations

AI-native distributed SQL database with vector search, ACID, and HTAP

Open-source real-time SQL analytics, full-text search, and vector database unified for AI workloads.

Free open-source admin UI for ChromaDB vector database

Serverless vector database with auto-scaling, tiered storage, and pay-per-use pricing.

GPU-native serverless PostgreSQL with vector search for AI agents and multimodal data.

Python-native incremental data engine keeping AI agents fed with fresh context, delta-only.

Open-source embedded vector database with sub-millisecond search at billion scale

Self-hosted RAG search engine with hybrid retrieval and multi-LLM support.

High-qual retrieval engine for accuracy-critical AI apps

High-performance Knowledge Graph engine for AI, LLMs, and GraphRAG

Managed Postgres, RAG, and agents in one backend for AI coding agents.

Replace five databases with one universal engine for AI products.

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

Open-source context retrieval layer for AI agents and RAG pipelines.

Portable local-first vector database for edge, on-prem, and hybrid AI workloads.

Open-source knowledge-graph RAG that maps entities and communities to answer complex, cross-document questions.

Open-source multimodal lakehouse for AI data curation, feature engineering, search, and training.

Unified AI search platform for vector, text & ML ranking at scale

Open-source serverless vector search for AI developers

Serverless Postgres with branching, autoscaling, and a full backend for apps & agents.

API-first document parsing that turns 20+ formats into structured JSON for AI agents and RAG pipelines

In-memory graph database for real-time AI reasoning and graph analytics

Open-source content intelligence engine for high-throughput, CPU-only document extraction.

Open-source CLI that turns 18 source types into AI skills and RAG knowledge for 22 AI platforms.