Weaviate
A vector database platform designed for building AI-powered semantic search applications
- Also known as
- weaviate
Available worldwide
What is Weaviate?
Weaviate is an open-source vector database that supports hybrid search, metadata filtering, and scalable deployments. It enables developers to build AI applications with semantic search capabilities.
Weaviate pricing
We don't have Weaviate's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What Weaviate does
The capabilities that matter for vector databases, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Deployment
- Self-hosted
- Serverless / consumption pricing
- -
- ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
- HNSW
- Distance metrics (cosine / dot / Euclidean)
- -
- Metadata filtering
- -
- Hybrid search (dense + sparse fusion)
- ✓
- Built-in BM25 / lexical
- ✓
- Quantization
- Product
- On-disk vs in-memory
- -
- Multi-tenancy (namespaces / collections / tenants)
- ✓
- Horizontal scale
- Sharded / distributed
- Consistency
- -
- Licence class
- Permissive OSS
- Purpose-built vs feature-of-parent
- Dedicated DBMS
Platform & deployment
Independently observed- CLI
- Web
- Cloud / SaaS
- Self-hosted
Security & compliance
Known vulnerabilities: 5 (3 in the last 12 months), max severity HIGH sourcea count reflects scale & disclosure, not quality
Weaviate FAQ
Common questions about Weaviate, answered from independent, dated evidence.
What is Weaviate?
Weaviate is an open-source vector database that supports hybrid search, metadata filtering, and scalable deployments. It enables developers to build AI applications with semantic search capabilities. It is indexed under Vector Databases.
Source: https://weaviate.io/blog/weaviate-cloud-pricing-update
Is Weaviate free?
Weaviate offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.
Source: https://weaviate.io
What platforms does Weaviate support?
Weaviate supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.
Source: https://weaviate.io
Can Weaviate be self-hosted?
Yes. Weaviate can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://weaviate.io/blog/weaviate-cloud-pricing-update
What security certifications does Weaviate have?
We have independently confirmed SOC 2, HIPAA and GDPR for Weaviate. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Weaviate not holding them. Always confirm compliance directly before you rely on it.
Source: https://weaviate.io
Is Weaviate open source?
Yes. Weaviate is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.
Where is Weaviate available?
Weaviate is available worldwide. The vendor is headquartered in the Netherlands.
Source: https://weaviate.io
Weaviate alternatives
Other vector databases we track, ranked by the same independent score.
- Zilliz CloudA fully managed cloud service for storing, indexing, and searching high-dimensional vector data at scalemedium · 74%
- PineconeManaged vector database infrastructure for machine learning applicationshigh · 75%
- TurbopufferA database combining vector similarity and text search built on cloud storagemedium · 61%
- EpsillaCreate AI agents without needing engineering resourceslow · 30%
- Chromamedium · 70%
- txtaiAn integrated AI framework for vector search, language model orchestration, and semantic workflow automationmedium · 57%
Compare Weaviate
Side by side against other vector databases, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Weaviate, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.14 | 8.5 | ✓ |
| Release cadence | 99 | 0.08 | 8.1 | ✓ |
| Security posture | 60 | 0.12 | 7.3 | ✓ |
| Capabilities | 58 | 0.08 | 4.6 | ✓ |
| Stars | 80 | 0.05 | 3.7 | ✓ |
| Security score | 67 | 0.05 | 3.6 | ✓ |
| Integrations | 41 | 0.05 | 2.2 | ✓ |
| Dependent projects | 20 | 0.05 | 1.1 | ✓ |
| Package downloads | 0 | 0.04 | 0.0 | - |
| Developer Q&A activity | 0 | 0.14 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-09-07 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 7 items | mediumsource · 2026-09-10 · 65% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Ann index: HNSW · Deployment: self_hosted · Quantization: product · Hybrid search: Yes · Licence class: permissive_oss · Multi tenancy: Yes | mediumsource · 2026-09-07 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 25 | mediumsource · 2026-08-14 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | Go | highsource · 2026-09-07 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | BSD-3-Clause | highsource · 2026-09-07 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: NL · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-05 · 75% |
Pricing
Release
Reliability
Security
| Attribute | Value | Evidence |
|---|---|---|
| Soc2 | Yes | lowsource · 2026-09-07 · 48% |
| Disclosure policy | Yes | mediumsource · 2026-08-05 · 60% |
| Gdpr | Yes | highsource · 2026-08-14 · 75% |
| Hipaa | Yes | highsource · 2026-08-05 · 75% |
| Scorecard | 6.7 | highsource · 2026-09-07 · 90% |
| Vulnerabilities | Count: 5 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fweaviate%2Fweaviate&per_page=100 · Last 12m: 3 · Max severity: HIGH | highsource · 2026-09-07 · 90% |
| Trust center | https://weaviate.io/blog/tags/security | mediumsource · 2026-09-07 · 60% |
Is Weaviate the right choice for you?
Tell us the job, the constraints and what you weigh most, and we will rank Weaviate against the rest of the vector databases we index, using the same dated evidence weighted your way.
Free to run, no account needed to start. How the evaluation works
Is this your product?
This profile was built from public sources without asking you. You can take the badge below and use it anywhere, and you can claim the profile to correct anything we got wrong. Both are free, and neither moves Weaviate up or down: nobody can buy rank here, including you.
Take the badge
Live, always current, and free to use on your own site. It shows Weaviate's independent score and links back to this profile.
<a href="https://www.vioscale.ai/software/weaviate" target="_blank" rel="noopener">
<img src="https://www.vioscale.ai/badge/software/weaviate.svg" alt="Weaviate, verified on vioscaleAI" width="330" height="76" loading="lazy" />
</a>Markdown, for a README →
[](https://www.vioscale.ai/software/weaviate)Claim the profile
Verify you control the domain and you can correct the facts, add the sources we should be reading, and see how AI assistants are describing Weaviate. Free, and it does not change the score.
- Correct anything wrong, with evidence
- Point our crawler at the pages that matter
- See which AI systems are reading this profile
Not the owner? How vendor profiles work