Vertex AI Agent Builder Agent Studio, Agent Search & Agent Runtime
Legacy names Vertex AI Agent Builder, Agent Builder
Former Vertex AI Agent Builder umbrella folded into Agent Platform and split into three distinct services.
Naming timeline
- Vertex AI Agent Builder
Introduced as an umbrella brand covering agent building, grounding/search, and runtime tools (replacing Vertex AI Search and Conversation in console and docs).
- Agent Studio, Agent Search & Agent RuntimeCurrent name
Umbrella brand retired and split into three distinct services inside Gemini Enterprise Agent Platform (Agent Platform; feature rebrand table published in release notes on 2026-04-22).
What happened to Vertex AI Agent Builder?
Vertex AI Agent Builder was split up, and this part of it is now Agent Studio, Agent Search & Agent Runtime, with the latest change in October 2025 (Umbrella Split). Earlier names covered by this entry also include Agent Builder. Former Vertex AI Agent Builder umbrella folded into Agent Platform and split into three distinct services. Only the customer-facing name changed; the underlying technical identifiers remain backward compatible.
Also known as
- Agent Studio
- Agent Search
- Agent Runtime
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 APIs | aiplatform.googleapis.com discoveryengine.googleapis.com |
|---|---|
| gcloud / CLI Commands | gcloud ai |
| IAM Predefined Roles | roles/aiplatform.* roles/discoveryengine.* |
| Terraform Resources | google_vertex_ai_* google_discovery_engine_* |
Notes & disambiguation
- Vertex AI Agent Builder (often shortened to Agent Builder) was retired as a single umbrella name and folded into Gemini Enterprise Agent Platform (Agent Platform) as three distinct services: Agent Studio (low-code builder/prototyping), Agent Search (enterprise search/RAG), and Agent Runtime (managed agent hosting).
Sources & official documentation
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