Weaviate vs Medusa
Open-source vector DB with hybrid search + modular embeddings
vs. Open-source commerce engine — build custom storefronts with Next.js + Node
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
Medusa
OSS (self-host)
$0. MIT license. Run Medusa backend + admin on your infra.
$0 base (usage-based)
Medusa Cloud Free
$0. Hobby projects. Shared infra. Community support.
Free
Medusa Cloud Pro
$99/mo. Production support. Dedicated DB. Priority.
$99/mo
Enterprise
Custom. SSO, SLA, dedicated cluster, PCI.
Custom
Free-tier quotas head-to-head
Comparing sandbox on Weaviate vs oss on Medusa.
| Metric | Weaviate | Medusa |
|---|---|---|
| No overlapping quota metrics for these tiers. | ||
Features
Weaviate · 13 features
- Backups — S3, GCS, Azure Blob backup destinations.
- BYOC — Run managed Weaviate in your own cloud account.
- Compression (PQ/BQ/RQ) — Reduce vector memory footprint by up to 32x.
- Dynamic Indexing — HNSW + flat + dynamic index selection.
- Generative Search — Search + RAG answers in one API call.
- Hybrid Search — Combine BM25 + dense vector search in one query.
- Modular Vectorizers — 60+ plug-in vectorizers + generative AI modules.
- Multi-Tenancy — Per-tenant isolated vector stores in one cluster.
- Query Agent (AI) — Agentic natural-language query generator.
- RBAC — Role-based access control for collections + tenants.
- Replication — Multi-node async + sync replication.
- Self-Host (OSS) — BSD-3 licensed. Docker + k8s Helm.
- Structured Filters — Metadata filters pre + post vector search.
Medusa · 16 features
- Admin Dashboard — React-based admin UI.
- Auth — Customer + admin auth with JWT.
- Cart — Multi-region carts with tax/pricing logic.
- Checkout — Multi-step checkout flow.
- Customers + Groups — Customer records + B2B groups.
- Dynamic Pricing — Price lists, rules, customer-specific.
- Event Bus — Async events via Redis / RabbitMQ.
- File Service — Pluggable storage (S3, local).
- Gift Cards — Native gift-card support.
- Inventory + Multi-warehouse — Stock tracking across locations.
- Next.js Starter — Production-ready Next.js storefront.
- Orders + Fulfillment — Full order lifecycle (edits, returns, exchanges).
- Products + Variants — Products with options, variants, images.
- Promotions + Discounts — Rule-based promos, campaigns.
- Tax Providers — Pluggable tax calculation.
- Workflows Engine — Durable saga-style business logic.
Developer interfaces
| Kind | Weaviate | Medusa |
|---|---|---|
| CLI | — | medusa CLI |
| SDK | weaviate-client, weaviate-go-client, weaviate-java-client, weaviate-ts-client | @medusajs/js-sdk |
| REST | Weaviate REST API | Medusa Admin API, Medusa Store API |
| GRAPHQL | Weaviate GraphQL | — |
| MCP | Weaviate MCP | Medusa MCP |
| OTHER | Weaviate gRPC | Medusa Admin UI, Next.js Starter |
Staxly is an independent catalog of developer platforms. Outbound links to Weaviate and Medusa are plain references to their official websites. Pricing is verified against vendor pages at publication time — reconfirm before buying.
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