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Google Cloud AI 2026: Vertex AI Is Gone — Here's What Replaced It

Google Just Dropped 260 AI Updates: The 4 That Actually Matter to Devs

I've been tracking Google Cloud's AI roadmap since the Vertex AI launch in 2021. Nothing prepared me for the scale of what Google announced at Cloud Next 2026. Vertex AI's standalone roadmap was officially retired. 260 product announcements dropped in one week. An 8th-generation TPU shipped. And Google's entire cloud AI strategy pivoted from model hosting to agent orchestration. If you're building on Google Cloud — or evaluating it — this is the guide that tells you what actually changed and what it means for your work right now.

Google Cloud AI 2026 — Gemini Enterprise Agent Platform Vertex AI complete guide

Google Cloud Next '26 (April 2026) produced 260 announcements — led by the Gemini Enterprise Agent Platform replacing Vertex AI's standalone roadmap and a major push toward enterprise agentic AI.

The headline: Google Cloud AI is no longer primarily about accessing AI models. It's now about orchestrating AI agents that act autonomously within your enterprise workflows, data infrastructure, and security perimeter.

That's a different product category from what Vertex AI was in 2023. The naming change from Vertex AI to Gemini Enterprise Agent Platform isn't just rebranding — it signals a fundamental shift in what Google thinks enterprise AI actually is.

260
Product announcements at Google Cloud Next 2026 — the largest single-event AI infrastructure announcement in Google history
40%
Quarter-over-quarter growth in paid Gemini Enterprise monthly active users in Q1 2026
$300
Free credits for new Google Cloud AI customers to try Gemini Enterprise Agent Platform and cloud products

The Biggest Shift: Vertex AI → Gemini Enterprise Agent Platform

The most important thing to understand about Google Cloud AI in 2026: Vertex AI's standalone product roadmap has ended. Future services and features will be delivered through the Gemini Enterprise Agent Platform.

Existing Vertex AI capabilities aren't going away — model selection, model building, Vertex AI Studio, tuning — they're all moving under the Agent Platform umbrella. But new capabilities won't ship as "Vertex AI" products anymore.

⚠️ Critical Migration Deadlines for Vertex AI Users

  • Vertex AI Extensions deprecated: Shuts down after November 26, 2026 — migrate to Agent Platform now
  • Image generation endpoints (Imagen 2/3): Deprecated. Migrate to Gemini-based endpoints before June 30, 2026
  • Video generation endpoints (Veo): Deprecated versions require migration before June 30, 2026
  • Sessions, Memory Bank, Code Execution: Now charging for usage as of January 28, 2026
  • Gemini 2.5 model family: Retirement dates updated to October 16, 2026

What the Gemini Enterprise Agent Platform Actually Is

The Gemini Enterprise Agent Platform is Google Cloud's new foundation for building enterprise AI agents. It's not a single product — it's a platform of interconnected capabilities designed to handle every stage of agent development and deployment.

The Core Agent Platform Components

  • Agent Studio: Visual builder for creating and testing agents. Design agent logic, connect to data sources, test against real scenarios.
  • Agent-to-Agent Orchestration: Route tasks between specialized agents. A research agent, a writing agent, and a QA agent can hand off work between them automatically.
  • Agent Registry: Centralized catalog of all deployed agents — discover, reuse, and version-control your agent library.
  • Agent Identity: Each agent gets its own identity for authentication, authorization, and audit logging — critical for regulated environments.
  • Agent Gateway: Secure entry and exit point for agent traffic. Manages external API connections, rate limiting, and security policies.
  • Agent Observability: Monitor what your agents are doing, why they're making decisions, and where they're failing — in real time.
"The evolution from Vertex AI to Gemini Enterprise Agent Platform is less a rebranding and more an architectural declaration: Google believes enterprise AI value will be created at the orchestration layer, not the model layer. The model is a commodity. The agent is the product." — Virtualization Review, Google Cloud Next '26 analysis, April 2026

Model Access: What You Can Actually Use

One of the genuinely underreported strengths of Google Cloud AI: the platform gives you access to competitor models alongside Google's own — through Model Garden.

ModelProviderAvailable OnKey Strength
Gemini 3.5 Flash / ProGoogle✅ GASpeed, long context, agents, multimodal
Gemini 3 Flash NEWGoogle⚡ PreviewComplex agentic, coding, state-of-the-art reasoning
Gemma 3Google (OSS)✅ GALightweight local + cloud, research
Claude Opus 4.7 NEWAnthropic⚡ Model GardenComplex reasoning, long documents
Llama 3.xMeta✅ Model GardenOpen weights, fine-tuning
Mistral / CodestralMistral AI⚠️ Partial (some deprecated)European data compliance, coding
Veo 3.1 Lite NEWGoogle⚡ PreviewCost-efficient video generation
Lyria 3 NEWGoogle⚡ Preview184-second audio generation

Model availability as of June 2026. Verify current status at cloud.google.com/vertex-ai/generative-ai/docs/learn/models.


Agentic Data Cloud — The Infrastructure Layer Everyone Is Underrating

Agents are only as good as the data they can access. Google's Agentic Data Cloud announcement at Cloud Next '26 is what enables agents to work at enterprise data scale — and it's the announcement getting the least mainstream coverage.

Three Agentic Data Cloud Capabilities That Matter

BigQuery Vector Search + Conversational Analytics: Teams can now query complex datasets in natural language and publish custom analytical agents directly into Gemini Enterprise. BigQuery received native vector support — enabling semantic search directly in your analytical data store without a separate vector database.

AlloyDB Vector Support: AlloyDB now has native vector capabilities for low-latency semantic search within operational databases. This means real-time AI-powered search on live transactional data, without exporting to a separate system.

Spanner Omni: Spanner — Google's globally consistent distributed database — now runs anywhere: multiple clouds, on-premises, or on your laptop. This is significant for enterprises that can't put all data in Google Cloud for regulatory reasons but still want Gemini Enterprise agents to access it.


8th-Generation TPUs — The Hardware Story

Google's TPU (Tensor Processing Unit) hardware program took a major step at Cloud Next '26 with the announcement of 8th-generation TPUs.

TPUs are Google's custom AI accelerator chips, purpose-built for tensor operations at the heart of neural network training and inference. The 8th generation targets the scale required for training and serving the largest foundation models — the workloads that consume the most compute on Google Cloud.

💡 Why TPU Generation Matters for Google Cloud AI Users

Each new TPU generation directly affects Gemini API costs and latency. When Google deploys new TPU generations, inference costs on Gemini models tend to drop over subsequent months as efficiency improves — this is why Gemini Flash has become dramatically cheaper than GPT-4 equivalent calls. The 8th-gen TPU announcement signals another cost reduction cycle ahead for production Gemini API workloads. If you're building cost-sensitive production applications on Gemini API, this is a factor in your pricing projections for late 2026.


Agentic Defense — The Security Layer Nobody Is Covering

Google's Agentic Defense announcement combines Google Threat Intelligence and Security Operations with Wiz's Cloud and AI Security Platform to prevent, detect, and respond to threats specifically in agentic AI workloads.

This is a genuinely new security category: agents that have identities, make API calls, access databases, and take real-world actions create attack surfaces that traditional cloud security wasn't designed to handle. An agent that can query your CRM and send emails is a different threat model than a Lambda function that transforms data.

💡 The RAG Cross Corpus Feature Most Developers Missed

RAG Cross Corpus Retrieval landed in public preview in May 2026 — and it's one of the most practically useful new AI capabilities on Google Cloud for knowledge-retrieval applications. It allows a single retrieval query to search multiple RAG corpora simultaneously using AsyncRetrieveContexts and AskContexts APIs. Previously, you had to run separate queries against each knowledge base and merge results manually. Cross-corpus lets an agent query your product documentation, your support ticket history, and your internal wiki in a single unified retrieval call — dramatically simplifying RAG architecture for enterprises with distributed knowledge stores.


What Most Google Cloud AI Coverage Misses

💡 Gemini CLI Is Now in Vertex AI Workbench — The Terminal Developer Story

The Gemini CLI — Google's open-source AI agent providing Gemini access directly in a terminal — is now available in preview inside Vertex AI Workbench instances. This bridges the gap between notebook-based development and terminal-based development: you can create and edit notebooks, run cells, write code, and get explanations from Gemini without leaving the terminal. For developers who prefer CLI workflows over UI tools, this is more significant than the Agent Studio announcements that dominated headlines.

💡 Spanner's 200× Analytics Speed Improvement — The Quietly Massive Infrastructure Win

Spanner Columnar Engine, announced at Cloud Next '26, accelerates analytical queries up to 200× on live operational data using vectorized execution — without requiring a separate analytics database or impacting transactional performance. For AI applications that need to run analytical queries and semantic searches on the same live data, this eliminates the traditional architectural requirement of syncing operational data to a separate analytics system. The real-time gap between transactional data and AI-queryable analytical data collapses to zero.

⚡ The Overlooked: Google Is Selling Competitor AI Models — and That's Strategically Smart

Claude Opus 4.7 is now in Vertex AI's Model Garden. Google Cloud is actively selling Anthropic's models alongside its own. This is counterintuitive at first — why help your competitor's model reach enterprise customers? The strategic logic: Google makes money on the infrastructure (TPUs, networking, storage) regardless of which model runs on it. By being the best place to access any model, Google Cloud becomes the default enterprise AI infrastructure layer — the same way AWS benefits from every workload regardless of what language it's written in.


Frequently Asked Questions

What is Google Cloud AI?

Google Cloud AI is Google's suite of AI and machine learning services on Google Cloud Platform. In 2026, its central platform is the Gemini Enterprise Agent Platform — announced at Google Cloud Next 2026 as the evolution of Vertex AI. It provides model access (Gemini 3.5, Claude, Llama, Gemma), agent building tools (Agent Studio, orchestration, registry), data infrastructure (BigQuery vector, AlloyDB semantic search), and enterprise governance. New customers get up to $300 in free credits.

What happened to Vertex AI in 2026?

At Google Cloud Next 2026, Google announced Vertex AI's standalone roadmap is being replaced by the Gemini Enterprise Agent Platform. Future features ship through Agent Platform, not Vertex AI. Existing capabilities remain but under new branding. Critical deadlines: Vertex AI Extensions shuts down after November 26, 2026. Image and video generation endpoints require migration before June 30, 2026. Sessions and Memory Bank started billing January 28, 2026.

What is the Gemini Enterprise Agent Platform?

Google Cloud's comprehensive platform for building, scaling, governing, and optimizing enterprise AI agents. It includes Agent Studio (visual builder), Agent-to-Agent Orchestration, Agent Registry, Agent Identity, Agent Gateway, and Agent Observability. It combines Vertex AI's existing capabilities with transformational new agent management features. Access to Gemini 3.5, Claude, Llama, and Gemma via Model Garden. Announced at Google Cloud Next '26, April 2026.

What are the most important Google Cloud AI services in 2026?

Key services: Gemini Enterprise Agent Platform (build/deploy agents), Gemini API on Vertex AI (programmatic model access), Model Garden (150+ models including Gemini, Claude, Llama, Gemma), Vertex AI Workbench (managed Jupyter + Gemini CLI), Agentic Data Cloud (BigQuery + AlloyDB vector search), Veo 3.1 Lite (video generation), Lyria 3 (audio generation), RAG Cross Corpus Retrieval (multi-knowledge-base search), and Agentic Defense (AI-specific security with Wiz integration).

How much does Google Cloud AI cost in 2026?

New customers get up to $300 in free credits. Gemini API pricing is token-based — Gemini 3.5 Flash starts at $0.30/million input tokens and $2.50/million output tokens (verify current pricing at cloud.google.com). Vertex AI Agent Engine Runtime pricing was lowered in early 2026. Sessions, Memory Bank, and Code Execution started billing from January 28, 2026. Gemini Enterprise (Workspace integration) is priced per user per month. Use the free credits to validate workload costs before production commitment.

Google Cloud AI in 2026 is a genuinely different platform from what existed 18 months ago. The Vertex AI → Gemini Enterprise Agent Platform transition isn't cosmetic — it's a statement about where enterprise AI value creation actually happens. Building on Google Cloud now means building agent-first, not model-first.

If you're evaluating AI infrastructure or optimizing an existing Google Cloud deployment, the migration deadlines above matter immediately. Start with the free credits, test Agent Studio for your highest-priority use case, and audit your Vertex AI Extensions before November.

Sources: Google Cloud Blog (April 22–25, 2026), Google Cloud Next '26 Wrap-Up (260 announcements summary), Virtualization Review (April 24, 2026), Vertex AI Release Notes (May–June 2026), Gemini Enterprise Agent Platform product page. All pricing and availability data verified June 2026. No affiliate links in this article.

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