Weaviate

Open-source vector database for hybrid search, RAG, and agent memory

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PricingFreemium
Starting priceUsage-based
Free planYes
Free trialYes
APIYes
Open sourceYes
DeploymentHybrid
Last verifiedAugust 3, 2026
Overview

Tool overview

Weaviate is listed under AI Infrastructure & MLOps AI tools.

Summary

What is Weaviate?

Weaviate is an open-source vector database that combines vector retrieval, keyword search, structured filtering, generative integrations, and multi-tenancy. It runs locally or self-hosted and is also available through managed Weaviate Cloud.

Best fit

Best for

Teams building scalable semantic search, RAG, recommendations, and agent-memory systems

Audience

Who is it for?

AI application developersData and platform engineersSearch engineering teamsOrganizations needing cloud or self-hosted retrieval
Recommendation

Decision note

Rebuilt from the original export under V412/V411 independent factual verification. Preview only; Apply requires Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0, reviewed explicit clears, image import disabled or V380 PASS, representative edit-screen comparison, and a zero-change post-Apply Preview.

Capabilities

Key features

Vector, keyword, and hybrid search

Structured filtering and multi-tenancy

REST, GraphQL, gRPC, and client APIs

Managed cloud and self-hosted deployment

Workflows

Use cases

Build retrieval-augmented generation

Create semantic search applications

Power recommendations and similarity matching

Store memory and context for AI agents

Strengths

Pros

  • BSD-3-Clause open-source core
  • Free cloud sandbox and local deployment
  • Large integration and partner ecosystem
Considerations

Limitations

The free sandbox is intended for experimentation and does not include paid support or production SLAs.

Vector quality depends on embedding choices, schema design, filters, and indexing configuration.

Cost

Pricing details

Pricing modelFreemium
Starting priceUsage-based
Free planYes
Free trialYes
Pricing context

Billing options

Free SandboxFlex pay-as-you-goPlus and Premium commitments
Pricing context

Pricing note

The open-source database and Weaviate Cloud Sandbox are free. Production Flex clusters are billed by resource usage and support level; Plus and Premium add commitments, security, and stronger SLAs.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

Embedding providers

Generative model providers

Kubernetes

Cloud marketplaces

Specs

Technical details

PlatformsWeb, API
Multilingual supportUnknown
Login requiredYes
Open sourceYes
LicenseBSD-3-Clause
DeploymentHybrid
CompanyWeaviate
Current version1.37.6
Models / versionsWeaviate Database Embeddings Agents Engram
Editions / plansOpen-source Sandbox Flex Plus Premium
Data confidenceHigh
Last verifiedAugust 3, 2026
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Answers

Frequently asked questions

Weaviate is an open-source vector database that combines vector retrieval, keyword search, structured filtering, generative integrations, and multi-tenancy. It runs locally or self-hosted and is also available through managed Weaviate Cloud.
Teams building scalable semantic search, RAG, recommendations, and agent-memory systems
The listed pricing model for Weaviate is Freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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