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RenamedAI & AgentsGoogle Cloud

Vertex AI Search Agent Search

Legacy names Vertex AI Search, AI Applications, Vertex AI Search and Conversation, Enterprise Search, Generative AI App Builder, Gen AI App Builder, Discovery Engine, Vertex AI Search for Industry, Recommendations from Vertex AI Search

Enterprise search, RAG, and grounding service.

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Naming timeline

  1. Gen AI App Builder / Enterprise Search

    Initial public preview launch of Generative AI App Builder and Enterprise Search on Discovery Engine.

  2. Vertex AI Search (AI Applications)

    · Google Cloud Next '23

    Rebranded under Vertex AI Search and Conversation; subsequently renamed in console/docs to Vertex AI Agent Builder (2024-04-09), AI Applications (2025-04-02), and back to Vertex AI Search in docs (2025-10-02).

  3. Agent SearchCurrent name

    Rebranded from Vertex AI Search to Agent Search (documented in Agent Search and Agent Platform release notes on 2026-04-22).

What is Vertex AI Search called now?

Vertex AI Search is now called Agent Search, with the latest change in October 2025. Earlier names covered by this entry also include AI Applications, Vertex AI Search and Conversation, Enterprise Search, Generative AI App Builder, Gen AI App Builder, Discovery Engine, Vertex AI Search for Industry, Recommendations from Vertex AI Search. Enterprise search, RAG, and grounding service. Only the customer-facing name changed; the underlying technical identifiers remain backward compatible.

Also known as

  • Agent Search on Gemini Enterprise Agent Platform
  • Agent Search for Industry
  • Agent Search for Industry on Gemini Enterprise Agent Platform
  • Recommendations from Agent Search
  • Discovery Engine API
  • Vertex AI Agent Builder (umbrella)

Technical identifiers

Technical identifiers unchanged. Only the customer-facing product name changed; the APIs, CLI commands, IAM roles and Terraform resources below keep their legacy identifiers for backward compatibility.

REST / gRPC APIsdiscoveryengine.googleapis.com
IAM Predefined Rolesroles/discoveryengine.*
Terraform Resourcesgoogle_discovery_engine_*

The API in the Cloud Console API Library and client libraries (google-cloud-discoveryengine) is officially named Discovery Engine API (discoveryengine.googleapis.com).

Notes & disambiguation

  • Underlying API in the Google Cloud Console API Library and client SDKs (google-cloud-discoveryengine) is officially titled 'Discovery Engine API' (discoveryengine.googleapis.com), shared across Agent Search, Gemini Enterprise, Gemini Notebook Enterprise, and AI Commerce Search.
  • Console navigation still displays 'Vertex AI Search' and 'AI Applications' in some views.
  • Official release notes document the full chain: Generative AI App Builder / Enterprise Search (2023-03-29) -> Vertex AI Search and Conversation (2023-08-29) -> Vertex AI Agent Builder (2024-04-09) -> AI Applications (2025-04-02) -> Vertex AI Search (2025-10-02) -> Agent Search (2026-04-22).
  • Industry-vertical search and media recommendations follow the same rename: 'Vertex AI Search for Industry' -> 'Agent Search for Industry' and 'Recommendations from Vertex AI Search' -> 'Recommendations from Agent Search'.

Sources & official documentation

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