Skip to content
Toolradar
Weaviate logo

Weaviate

Claim this toolEditor reviewed

Open-source vector database with ML

Data & DatabasesVector DatabasesAI & Automation
Visit Website
Reviews onG2
29 reviews tracked

The Bottom Line

Entry price

Free plan available, paid tiers above

Biggest pro

Built-in vectorization

Biggest con

Learning curve

TL;DR - Weaviate

  • Open-source vector database
  • Run locally or in the cloud
  • Filters combine with vector search
Pricing: Free plan available
Best for: Growing teams
4.6/5 across review platforms

What is Weaviate?

Editorial review
Weaviate is an open-source vector database for AI applications. Features hybrid search, dynamic indexing, and multi-tenancy for building semantic search and RAG systems.

Available on: Web

how we evaluateSourceweaviate.io ↗

Pros & Cons

Pros

  • Built-in vectorization
  • GraphQL API
  • Hybrid search
  • Good documentation
  • Open source

Cons

  • Learning curve
  • Memory intensive
  • Self-hosting complex
  • Cloud pricing high
  • Less mature than Pinecone

Ratings Across the Web

4.6(29 reviews)
G229 reviews
4.6/5

What people say

“Weaviate was so easy to integrate and use. The documentation is easy to follow, the Weaviate AI is super helpful for navigating common problems, and their customer support is next level!”via G2

Ratings aggregated from independent review platforms. Learn more

Key Features

Vector databaseHybrid searchDynamic indexingCompressionMulti-tenancyRBACOpen-sourceAWS/GCP/Azure supportTechnical Account Team (Premium)Custom training

Pricing Plans

Pricing checked Jul 13, 2026

Free Trial

Free

  • 14-day trial
  • Sandbox cluster
  • Hybrid search
  • Dynamic indexing
  • Compression
  • Multi-tenancy
  • Baseline RBAC
  • Community support

Flex

$45

  • Pay-as-you-go
  • Shared cloud cluster
  • Full core toolkit
  • RBAC security
  • 99.5% uptime
  • Email support (next-business-day for critical)

Premium

$400

  • Prepaid contracts
  • Shared or dedicated deployment
  • Up to 99.95% uptime
  • Metrics endpoint
  • AWS/GCP/Azure global coverage
  • 1-hour Severity 1 response
  • Technical Account Team
  • Training and consultation
Calculate your costView full pricing

Is Weaviate worth the price?

80/100

Weaviate's pricing is fair, offering a generous free trial and a flexible entry point with the Flex plan at $45/month.

The jump to the Premium tier at $400/month is significant but justified by enhanced support and deployment options. This structure is best for developers and small teams starting with vector search, scaling up to enterprises needing dedicated resources.

Hidden Costs & Gotchas

Overage fees for exceeding Flex plan limits

Potential egress costs for data transfer

Higher costs for dedicated Premium deployments

How Weaviate Compares to Competitors

Compared to Pinecone, which starts around $70/month for similar managed services, Weaviate's Flex plan at $45/month offers a more accessible entry. However, both can become significantly more expensive at enterprise scale, with dedicated instances often requiring custom quotes.

Reviews

Improve Your Thinking Patterns Using ChatGPT cover
$99Free with your review

Review Weaviate, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review
4.6/5

Across 29 verified user reviews on G2

Add your hands-on experience using the offer above to help the next buyer.

Best Weaviate Alternatives

Top alternatives based on features, pricing, and user needs.

Elasticsearch logo
ElasticsearchFreemium

Distributed search and analytics

4.3
Pinecone logo
PineconeFreemium

Managed vector database for semantic search and RAG

4.6
Milvus logo
MilvusFree

Open-source vector database for AI

4.7
Qdrant logo
QdrantFreemium

Vector database for similarity search

4.5
Chroma logo
ChromaPaid

Open-source vector database for AI applications

4.2
See all data & databases tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Weaviate vs ElasticsearchHead-to-head: features, pricing, who winsWeaviate vs PineconeHead-to-head: features, pricing, who winsWeaviate vs MilvusHead-to-head: features, pricing, who wins

Explore More

Best Data & Databases ToolsBest Vector Databases ToolsBest AI & Automation ToolsBest Free Data & DatabasesBest Free Vector DatabasesBest Free AI & Automation

Weaviate FAQ

How does Weaviate support building AI applications?

Weaviate functions as an open-source vector database specifically designed for AI applications, offering features like hybrid search and dynamic indexing. It enables the creation of semantic search and Retrieval Augmented Generation (RAG) systems by managing vector embeddings efficiently.

Which teams would benefit most from using Weaviate?

Teams focused on developing AI applications, particularly those requiring semantic search or RAG capabilities, would find Weaviate beneficial. Its open-source nature and built-in vectorization are advantageous for developers building intelligent systems.

How is Weaviate's pricing structured?

Weaviate offers a free tier for users to get started, with paid plans available for those requiring more extensive usage and additional features. This model allows for scalability as application needs grow.

Can Weaviate perform complex searches beyond simple keyword matching?

Yes, Weaviate supports hybrid search, which combines different search techniques to deliver more relevant results. This capability is crucial for advanced AI applications like semantic search, allowing for nuanced querying.

What are the primary trade-offs when choosing Weaviate for a project?

Weaviate has a notable learning curve and can be memory intensive, which might require careful resource management. Additionally, while powerful, self-hosting can be complex, and cloud pricing for its services tends to be high.

How does Weaviate compare to Pinecone?

Weaviate is an open-source vector database with built-in vectorization and a GraphQL API, whereas Pinecone is a managed service. While both serve similar purposes in AI applications, Weaviate is considered less mature than Pinecone in the market.

Does Weaviate offer an API for integration with other tools?

Yes, Weaviate provides a GraphQL API, which facilitates integration with various applications and services. This API allows developers to interact with the database for tasks such as data retrieval and indexing.

Source: weaviate.io

Guides & Articles

Best Vector Databases in 2026

Features Weaviate

Best RAG Tools and Frameworks in 2026

Features Weaviate

Best Synthetic Data Tools 2026

Expert guide