Staxly

Weaviate vs GrowthBook

Open-source vector DB with hybrid search + modular embeddings
vs. Open-source feature flags + experimentation — Warehouse Native

Weaviate websiteGrowthBook website

Pricing tiers

Weaviate

Sandbox (14-day trial)
14-day free trial. Shared cloud cluster. 250 Query Agent req/month.
$0 base (usage-based)
Self-Hosted (OSS)
BSD-3 licensed. Run free on your infra.
$0 base (usage-based)
Flex
From $45/mo pay-as-you-go. Shared HA cluster. 99.5% uptime. 30k Query Agent reqs/mo.
$45/mo
Premium
From $400/mo prepaid. Shared or dedicated. 99.95% uptime. SSO/SAML. Unlimited Query Agent. HIPAA on AWS.
$400/mo
Enterprise
Custom. BYOC / private deployment.
Custom
Weaviate website

GrowthBook

Open Source (Self-Host)
MIT-licensed. Unlimited everything. Community support.
$0 base (usage-based)
Cloud — Starter (Free)
Up to 3 users. Unlimited flags + experiments. Warehouse Native included.
Free
Cloud — Pro
$40/user/month. Up to 50 users. Advanced stats, visual A/B editor, CUPED, sequential testing, bandits.
$40/mo
Cloud — Enterprise
Custom. Unlimited users, SSO/SAML, approval flows, data pipelines, exportable audit logs.
Custom
Self-Host Enterprise
Open Source + Enterprise license. Visual A/B editor, advanced metrics, SSO/SAML, approvals, training.
Custom
GrowthBook website

Free-tier quotas head-to-head

Comparing sandbox on Weaviate vs oss on GrowthBook.

MetricWeaviateGrowthBook
No overlapping quota metrics for these tiers.

Features

Weaviate · 13 features

  • BackupsS3, GCS, Azure Blob backup destinations.
  • BYOCRun managed Weaviate in your own cloud account.
  • Compression (PQ/BQ/RQ)Reduce vector memory footprint by up to 32x.
  • Dynamic IndexingHNSW + flat + dynamic index selection.
  • Generative SearchSearch + RAG answers in one API call.
  • Hybrid SearchCombine BM25 + dense vector search in one query.
  • Modular Vectorizers60+ plug-in vectorizers + generative AI modules.
  • Multi-TenancyPer-tenant isolated vector stores in one cluster.
  • Query Agent (AI)Agentic natural-language query generator.
  • RBACRole-based access control for collections + tenants.
  • ReplicationMulti-node async + sync replication.
  • Self-Host (OSS)BSD-3 licensed. Docker + k8s Helm.
  • Structured FiltersMetadata filters pre + post vector search.

GrowthBook · 15 features

  • Approval FlowsRequire reviewer approval on flag changes. Enterprise.
  • Audit LogsFull change history. Exportable on Enterprise.
  • Dimensions & SlicingBreak down experiment results by user dimensions.
  • Edge SDK SupportCloudflare Workers, Lambda@Edge, Fastly, Akamai EdgeWorkers, Netlify Edge.
  • ExperimentsA/B/n with CUPED variance reduction + sequential testing.
  • Feature FlagsBoolean + string + number + JSON flags with targeting.
  • Feature Reviews (PR-style)Draft → review → approve flag changes.
  • Guardrail MetricsAuto-monitor key metrics during experiments.
  • Metric CatalogDefine + reuse metrics across experiments.
  • Multi-Armed BanditsAdaptive traffic allocation. Pro+.
  • Safe RolloutsGuarded gradual rollouts with automatic rollback.
  • SSO / SAMLEnterprise SSO for cloud + self-host EE.
  • Sticky BucketingUser stays in variant even after eligibility changes.
  • Visual A/B Test EditorNo-code DOM editor for web experiments. Pro+.
  • Warehouse NativeConnect your warehouse + run experiments against your events data.

Developer interfaces

KindWeaviateGrowthBook
SDKweaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-clientEdge SDKs (CF Workers / Lambda@Edge / Fastly / Akamai), growthbook-android, growthbook-flutter, growthbook-go, growthbook-java, growthbook-node, growthbook-php, growthbook-python, growthbook-ruby, growthbook-swift, sdk-javascript, sdk-react
RESTWeaviate REST APIGrowthBook REST API
GRAPHQLWeaviate GraphQL
MCPWeaviate MCP
OTHERWeaviate gRPCWebhooks
Staxly is an independent catalog of developer platforms. Outbound links to Weaviate and GrowthBook are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.

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