Vector Databases & Embeddings
4.5/5.0
VerifiedPaidLast technical review:
Markdown for AI (.md)

Weaviate

Open-source vector database for building AI-native search, RAG, and agentic applications.

Score

4.5/5

Certifications
2
Last technical review
2026-11-05
Available plansVisit website (opens in a new tab)

Technical Overview

Weaviate is an open-source vector database that stores objects and vectors with inverted indexing. It serves as a primary database for AI-native applications, supporting hybrid search and RAG orchestration without tight vendor dependencies. It is available as a managed cloud service or self-hosted, featuring native multi-tenancy for complex SaaS deployments.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • Native hybrid search combining vector and keyword capabilities.
  • Flexible data model storing both objects and vectors.
  • Strong multi-tenancy support for SaaS architectures.

Technical Considerations

  • Optimizing indexing for massive datasets requires technical expertise.
  • Significant learning curve for mastering the RAG ecosystem.

Technical Capabilities & Features

7/7
Included:REST & GraphQL API
Included:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Included:Role-Based Access Control (RBAC)
Included:Custom Domains & SSL
Included:Immutable Audit Logs
Scorecard
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Technical Scorecard: Weaviate

88/100
DX & Tech Documentation
Excellent
95/100
Pricing Fairness
Excellent
85/100
Security & Governance
Excellent
80/100
Data Portability & Sovereignty
Excellent
85/100
Performance & Reliability
Excellent
95/100

Time to Value & Fit by Segment: Weaviate

Estimated Time-to-Value< 1 hour (Immediate)

Near-instantaneous deployment with minimal technical friction.

Learning CurveModerate (Standard)

Requires consulting technical documentation and basic credentials setup.

Fit Index by Organization Size

Startup & Agile Teams1 to 50 members
90%
Mid-Market & Scaleup50 to 500 members
80%
Corporate Enterprise500+ members
70%
Pricing & TCO
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Pricing

Contact Sales/mo

Model: PAID.

Credits for Startups
Up to $5,000 USD
View requirements and perks programs
Get Weaviate (opens in a new tab)

Billing Risks & Hidden Clauses: Weaviate

Free Tier Limits:

1 cluster per user, 100,000 objects, 1GB memory, 10GB disk, and 1 collection with up to 3 tenants.

Audited Billing Critical Points:
  • Cloud usage beyond free tier limits can scale costs rapidly depending on memory and disk requirements.

"✓ 100,000 objects · 1 GB memory · 10 GB disk. ✓ 1 collection, up to 3 tenants."

Verified Quote: /pricing
Total Cost of Ownership (TCO) Projection: WeaviatePAID
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Indie / Solo (1 active user)

Solo developer or independent technical founder.

Base Monthly Cost
$12/month
1 active user
12-Month Investment
$122/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$366total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 3 active users

Calculated infrastructure: VPS 1 vCPU / 2GB RAM (~$5) + 0.5h DevOps/mes ($20)

Annual VPS + DevOps Cost$300/year
Differential vs SaaS LicensingSaaS is $178/year
Startup (10 active users)

Agile engineering team in validation and early traction stage.

Base Monthly Cost
$270/month
10 active users
12-Month Investment
$2,754/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$8,262total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 5 active users

Calculated infrastructure: VPS 2 vCPU / 8GB RAM (~$15) + 2h DevOps/mes ($80)

Annual VPS + DevOps Cost$1,140/year
Differential vs SaaS LicensingSavings of $1,614/year
Growth (25 active users)

Scaling company with team governance and granular access control requirements.

Base Monthly Cost
$675/month
25 active users
12-Month Investment
$6,885/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$20,655total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 13 active users

Calculated infrastructure: Cluster VPS 4 vCPU / 16GB RAM (~$45) + 6h DevOps/mes ($240)

Annual VPS + DevOps Cost$3,420/year
Differential vs SaaS LicensingSavings of $3,465/year
Scaleup (100 active users)

Established organization with enterprise security policies and mandatory SAML/SSO.

Base Monthly Cost
$2,700/month
100 active users
12-Month Investment
$27,540/year
Includes ~15% savings via annual billing
3-Year TCO Projection (36m)
$82,620total
Consolidated software licensing expenditure

Estimated Self-Hosted VPS + DevOps Cost

Break-Even Point: Profitable starting at 35 active users

Calculated infrastructure: Infraestructura HA redundante + Backups (~$150) + 16h DevOps/mes ($640)

Annual VPS + DevOps Cost$9,480/year
Differential vs SaaS LicensingSavings of $18,060/year
Usage Surcharges & Bill Shock Simulator: WeaviateWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 20 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$20/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 20 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$5/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$25/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 20 GB.
High Risk / Accelerated Overages
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$41/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$61/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 20 GB.
Critical Risk / Severe Bill Shock
Base Monthly Rate
$20/mo
Fixed subscription or contracted tier
Overage Penalty
+$176/month extra
Variable surcharge for consumption above plan quota
Estimated Monthly Invoice
$196/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Procurement Strategy & Discounts: WeaviateB2B Negotiation Playbook
Corporate executive level with highest authority to approve budgetary exceptions.
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Fair Market Price & B2B Procurement Benchmark

Non-renewal notice: 30 days before expirationMedian achieved discount: -12%
Public List Price
Custom / Contact
100% baseline
Audited Market Average
-12% median
~88% of list price
Optimized Target Price
-20% target
Max achievable discount (Q4 / multi-year): -20%

Verified Tactical Savings Levers

  • Annual Upfront PrepayUp to -15%

    Consolidated discount for upfront annual billing versus monthly rate.

  • Volume Seat TiersUp to -20%

    Tiered volume pricing discounts when exceeding team seat thresholds.

Pricing & Licensing Radar · Weaviate

Immutable chronological log of changes in pricing models, price increases, and licensing transitions detected by our crawler.

  1. Free Tier Modification

    Eliminación de capa gratuita. La herramienta pasa a modelo de cobro comercial (paid).

    freemiumpaid
  2. SSO Tax Introduced

    Introducción de barrera de seguridad: autenticación SAML/SSO restringida a planes Enterprise (SSO Tax).

    SSO SAML no restringidoSSO restringido a plan Enterprise
  3. Plan Added

    Adición de nuevo plan de suscripción: Enterprise.

    Enterprise
Security & Data Exit
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Compliance & Security Standards: Weaviate

SOC 2 Type IIAudited
ISO 27001Not reported
GDPR / RGPDAudited
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇳🇱Netherlands [NL]Subject to US CLOUD ActGDPR DPA Available
SSO Availability (SAML Enterprise)
Enterprise-Only SSO
Data Residency
USEUAWSGCPAzure
AI Privacy Policy
Zero customer data retention
Data Liberation & Migration Runbook: WeaviateJSON · GZ
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
JSONGZ
Password Hash Portability
Subject to Support Ticket (Manual Process)

Credential hash export requires commercial mediation or formal support ticket approval.

Deployment & Infrastructure Requirements: WeaviateOther
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageGo
Code LicenseOther
Docker CLI Directive
docker run -d --name weaviate -p 8080:8080 weaviate:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of Weaviate

85/100 Technical Trust

Frequent Praises in Production

  • Native hybrid search combining vector and keyword capabilities.
  • Flexible data model storing both objects and vectors.
  • Strong multi-tenancy support for SaaS architectures.

Reported Production Frictions

  • Optimizing indexing for massive datasets requires technical expertise.
  • Significant learning curve for mastering the RAG ecosystem.
Commercial Treatment & Vendor Lock-in:Self-Service in Dashboard

Cancellation flow is autonomous via billing portal or subscription settings.

Open source repository activity: Weaviate16,939
Stars, forks and release cadence
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Stars16.9k
Forks1.4k
Open Issues842
SPDX LicenseOther
Latest Commit DetectedNov 5, 2026

Frequently Asked Technical Questions (Weaviate)

Can I use Weaviate as a primary database?

Yes, Weaviate is architected to function as a primary system of record that handles both raw data objects and their corresponding vector embeddings, replacing the need for separate databases.

Is there a free tier for production use?

Weaviate Cloud offers a 'Free Forever' plan limited to 1GB memory, 10GB disk, and 100k objects, intended primarily for development, testing, and small-scale experiments.

Can I self-host Weaviate?

Yes, as an open-source project, Weaviate is available for self-hosting via Docker containers, allowing you to run it within your own infrastructure without reliance on cloud-managed services.

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