Databricks Vector Search (now Databricks AI Search)

https://www.databricks.com/product/artificial-intelligence/ai-search

Renamed Databricks AI Search: a fully managed search engine combining semantic vector, keyword (BM25) and hybrid search with reranking in one API. Storage-optimised index scaling to billions of vectors. Hosted MCP servers for UC functions, Genie, Vector Search. Agent framework integrates retrieval with Unity Catalog governance.

Renamed. now Databricks AI Search Source · Alternatives and migration notes →

Renamed · Verified 2026-10-29 · fresh as of 2026-10-29 · 47 cited facts, 2 with a third-party source · 2 recorded changes · Suggest a correction

At a glance

Tier
T1
Created
2013 third-party fix
Latest release
not applicable — not OSS fix
License
not applicable — not OSS fix
GitHub
not applicable — no GitHub repo fix
Freshness
2026-10-29 fix
Layer
model-infra repo fix
Licensing
commercial vendor fix
Deployment locus
cloud vendor fix
Platform vs product
platform vendor fix
SDK languages
python, rest vendor fix
Protocols
mcp-server vendor fix
Compliance
soc2-type2 vendor fix

When to use

Optimised for: low-latency similarity search + scale

Anti-fit: not for relational / graph-heavy queries (vector-first by design)

Pros & cons

Pros

Vector index inside the Databricks lakehouse with first-class Delta integration; strong for shops already centralized on Databricks.

Cons

Databricks-only; less mature ecosystem of agent integrations than Pinecone / Weaviate.

Claims & capabilities

7× lower cost (2026). Memory-scaling docs address multi-user agent memory patterns.

Technical surface

API surface
REST, SDK: Python
Backend storage
Delta Lake (columnar/lakehouse)
Deployment
Managed-only
Embedding model
multiple supported
Multi-tenancy
Workspace-level isolation; separate CMEK per business unit/environment for encryption isolation; revoking key renders data inaccessible
MCP
yes — Databricks managed MCP server for AI Search indexes (/api/2.0/mcp/ai-search/{catalog}/{schema}/{index})
A2A
no Google A2A (Agent2Agent) integration documented as of 2026-05.
OpenTelemetry
first-class — Unity Catalog + OTel

Similar systems

Other vector-database infrastructure in the catalog, ranked by inbound references.

  • Qdrant T1

    Distribution-Based Score Fusion + RRF. Sparse vectors native; filtering via ANN graph modification.

  • Chroma T1

    Limited native hybrid (users build RRF custom). Fast Rust core (v2.5). Acquired by Replit (definitive agreement announced 2026-10-23); Chroma Cloud is winding down (writes disabled 2026-11-22, reads disabled 2026-12-22) while open-source ChromaDB continues under Apache-2.0.

  • pgvector T1

    Stores embeddings alongside relational + full-text data. HNSW + IVFFlat ANN indexes. Used as agent conversation memory via LangChain + MCP. Foundation of Supabase AI and many self-hosted RAG stacks.

  • Weaviate T1

    Hybrid Search 2.0 with learned ranking. BM25 + vector in unified index.

  • Milvus T1

    Multi-vector columns (10 simultaneous). Native hybrid search (v2.5). CAGRA + Vamana GPU/CPU (v2.6).

  • Pinecone T1

    Managed vector DB. Cascading sparse + dense + rerank pipeline; pinecone-rerank-v0 .

Sources (46 cited facts, 2 third-party)

Each fact links to the page it came from; the badge says who published it (how to read sources).

What changed

Changes to this record's lifecycle, licence, release, pricing and hosting facts, from the catalog's git history. Subscribe (Atom)

  1. 2026-10-29
    • Name “Databricks Vector Search” → “Databricks Vector Search (now Databricks AI Search)”
    • Homepage “https://www.databricks.com/product/machine-learning/vector-search” → “https://www.databricks.com/product/artificial-intelligence/ai-search”
    #305
  2. 2026-10-27
    • Pricing “Pay-per-use” → “Pay-per-use DBUs — Standard $0.28/hour per unit (2M 768-dim vectors, 4 DBU/hour); Storage Optimized $1.28/hour per unit (64M vectors, 18.29 DBU/hour), effective US East prices” source
    • MCP support “via official adapter — Databricks MCP” → “yes — Databricks managed MCP server for AI Search indexes (/api/2.0/mcp/ai-search/{catalog}/{schema}/{index})” source
    #274

Related systems

Referenced by (3)

  • LangChain (framework) integrates with — LangChain docs have a Databricks Vector Search vector store integration page. (verified 2026-10-29)
  • LlamaIndex (framework) integrates with — LlamaIndex has an official vector store integration package llama-index-vector-stores-databricks in its repo. (verified 2026-10-29)
  • Mem0 integrates with — Mem0 docs have a Databricks vector store page for Mem0 open source. (verified 2026-10-29)