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Google Vertex AI Review 2026 — Enterprise Gemini API and ML Platform
Google Vertex AI is the complete Google Cloud ML platform with enterprise Gemini API, 150+ models, AutoML, and Vertex AI Search. HIPAA and SOC 2 compliant.

Gemini Enterprise Agent Platform, formerly Vertex AI, gives developers tools to build agents and model-based applications, access foundation models, connect private data, train and tune models, and deploy workloads.
It is used by developers, data scientists, and machine-learning teams. Agent Studio supports low-code development, while the Agent Development Kit, Model Garden, RAG Engine, notebooks, pipelines, model registry, monitoring, and observability support code-based and production workflows.
There is no simple subscription tier. Costs are usage-based across models, compute, storage, pipelines, vector search, and other Google Cloud resources. New customers can receive up to $300 in credits.
Features
- Build agents with the low-code Agent Studio or the Agent Development Kit
- Access Google, third-party, and open-source models through Model Garden
- Connect private enterprise data to models with RAG Engine
- Train, tune, deploy, and monitor machine-learning models
- Use Colab Enterprise or Workbench notebooks for development and experimentation
- Manage models with Model Registry, Pipelines, Feature Store, and Model Monitoring
- Govern agents with Agent Identity, Agent Gateway, and Agent Registry
- Integrate with Google Cloud through the Agent Platform API and CLI
Use cases
- Build and deploy enterprise AI agents
- Ground model responses in private company data
- Train and tune custom machine-learning models
- Evaluate, monitor, and improve models in production
- Orchestrate repeatable machine-learning workflows
- Develop and test agents in notebooks or local coding tools
Pros
Cons
Pricing
- Starting price
- $0.0001
- Pricing checked
- 2026-09-19
Imagen model for image generation
$0.0001
- Pricing is based on image input, character input, or custom training
Text, chat, and code generation
$0.0001 per 1,000 characters
- Charges are based on input prompt and output response characters
Custom model training
Contact sales
- Pricing depends on machine type, region, and accelerators
Agent Platform notebooks
Refer to products
- Compute and storage use the rates for Compute Engine and Cloud Storage
Agent Platform Pipelines
$0.03 per pipeline run
- Execution charges, resource usage, and additional service fees may apply
Agent Platform Vector Search
Refer to example
- Costs depend on data size, queries per second, and node count