Best Vector Databases in 2025

Vector database built for scalable similarity search Open-source, highly scalable, and blazing fast.

Key Milvus features:

High Performance Scalability Flexible Deployment Community and Support

Open Source free

The most intuitive platform to manage projects and teamwork.

Key monday.com features:

User-Friendly Interface Customization Collaboration Integrations

Visit website paid Free Trial $14.0 / Monthly (per seat)

Splutter AI | Create AI Chatbot for Websites, SMS, & Apps - Featured Include Low Latency Stack, Hotswappable Models, Hotswappable Databases, Hotswappable Tools, HostedGPT, & More!

Key Splutter AI features:

Extremely Customizable Chatbot Layout Hotswappable Models Extensive Database Management Hotswappable Databases

freemium $39.99 / Monthly (2000 Query Tokens, Up to 3 Chatbots, Up to 5 Databases)

Build a ChatGPT-like chatbot from your knowledge base.

Key Chatbase features:

Upload PDF and get a chatbot that answers questions on it API Access Embed on website

freemium $10.0 / Monthly

Scalable, Low-latency and Hybrid-enabled Vector Search in Postgres. Revolutionize Vector Search, not Database. - tensorchord/pgvecto.rs.

ChatGPT for every website.

Key SiteGPT features:

Ease of Use Customizability Natural Language Processing Scalability

Custom GPT chatbots trained on your data.

Key Dante AI features:

User-Friendly Interface Advanced AI Capabilities Customization Options Integration Support

Turn Data into Dialogue with AI-Driven Precision.

Key CustomGPT.ai features:

High Accuracy Extensive Document Support Multilingual Integration Multiple AI Agents

paid Free Trial $99.0 / Monthly

Qdrant is a high-performance, massive-scale Vector Database for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/ .

Key Qdrant features:

Advanced Filtering On-disc Storage Scalar Quantization Product Quantization

Open Source freemium

Kx Systems has a high-performance vector database, kdb+, with a built-in programming language, q, that sets the standard for time-series analytics.

Key KX features:

High Performance q Programming Language Time-Series Data Handling Scalability

Welcome to Weaviate.

Key Weaviate features:

Semantic Search Scalability Graph-Based Integration with AI/ML Models

Easy to use chatbot platform for business.

Key ChatBot features:

Ease of Use Integration Capabilities AI and Natural Language Processing Analytics and Reporting

paid Free Trial $50.0 / Monthly

Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.

Key Pinecone features:

Scalability Ease of Use Real-time Querying Managed Service

Open Source

Relational DB that uses Datalog and focuses on graphs.

Key Cozo Database features:

Powerful Query Language Graph and Relational Data Efficient Data Storage Open Source