Vertex AI
Google Cloud's unified platform for developing, scaling, and governing AI agents with built-in governance, model selection, and workflow orchestration tools.
Vertex AI is an open-source alternative to:

Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize enterprise-grade AI agents. It provides a single destination for technical teams to transform enterprise applications and workflows into powerful agentic systems.
Key Features
- Unified Agent Development: Build, scale, and govern AI agents with enterprise-grade tools
- Model Selection: Access 200+ Google and third-party AI models including Gemini 3.5, Anthropic's Claude, and open models like Gemma
- Model Customization: Train, test, and tune ML models with enterprise-grade evaluation tools
- Workflow Orchestration: Deploy multiple agents to execute complex workflows like product launches
- Governance & Security: Securely register, manage, and govern custom-built agents
- Antigravity Integration: Centralized app for steering, customizing, and orchestrating agents
- Production Deployment: Deploy models for production use with built-in scaling capabilities
- Data Integration: Accelerate agent development with unified data and AI capabilities
Tech / Self-Hosting
Gemini Enterprise Agent Platform is a fully managed cloud service provided by Google Cloud. It does not require self-hosting as it operates as a SaaS platform with enterprise-grade infrastructure, security, and compliance features. The platform is designed for global scale and includes built-in governance, security, and optimization tools.
For developers looking to extend functionality, Google provides sample code, notebooks, and documentation through their GitHub repository (https://github.com/GoogleCloudPlatform/vertex-ai-samples/).