Databricks Mosaic AIEnterprise
Databricks' suite for building, governing, and serving production AI — agents, RAG, fine-tuning, and evaluation — on top of your governed data.
AI Infrastructure comparison
Databricks Mosaic AI vs Weaviate
Pricing, pros, cons, and ideal use cases — side by side.
WeaviateFreemium
An open-source vector database for production semantic search and RAG, available self-hosted or as a managed cloud service.
At a glance
| Databricks Mosaic AI | Weaviate | |
|---|---|---|
| Pricing | EnterpriseConsumption-based, billed within the Databricks platform; enterprise agreements typical. | FreemiumOpen-source and free to self-host. Weaviate Cloud is a managed, usage-based service. |
| Category | AI Infrastructure | AI Infrastructure |
| Ideal for | Enterprises building AI on the Databricks lakehouseData teams that want AI governed alongside dataOrganizations unifying data and AI on one platform | Teams building production RAG and semantic searchSaaS apps needing multi-tenant data isolationEnterprises wanting self-hosted or managed options |
Pros & cons
Databricks Mosaic AI
Pros
- AI built directly on governed lakehouse data
- Unity Catalog lineage and access control extend to AI
- Covers agents, RAG, fine-tuning, serving, and evals
- Strong fit for data-mature enterprises
Cons
- Most valuable only on the Databricks platform
- Platform commitment, not a point solution
- Enterprise pricing and procurement
Weaviate
Pros
- Mature open-source vector database
- Hybrid keyword-plus-vector search
- Multi-tenancy for isolating customer data
- Self-hosted or managed cloud
Cons
- Self-hosting carries an operational burden
- Retrieval quality still depends on your tuning
- Another datastore to run and monitor
Which should you choose?
Weaviate is the lighter-weight option (Freemium), while Databricks Mosaic AI sits higher on the pricing ladder (Enterprise). Databricks Mosaic AI is built around enterprises building ai on the databricks lakehouse; Weaviate leans more toward teams building production rag and semantic search. Shortlist the one whose strengths line up with your biggest constraint.