Workday and Google Cloud’s AI Agent Expansion: HR and Finance Inside Gemini Enterprise

The integration covers a broad set of use cases:

• Employee self-service: Check time-off balances, update personal information, view payslips, review tax withholding, and request leave—all in a single conversational flow .
• Manager actions: Review team goals, approve timesheets in bulk, launch performance reviews, and submit payroll input without leaving the AI experience .
• Finance and policy guidance: Ask about expense or travel policies, check corporate card eligibility, and get guided assistance to create requests or open cases .

The Sana Self-Service Agent is available now on Google Cloud’s Agent Marketplace, with additional Workday agents expected to launch later in 2026 .

Gemini is now the default AI model for the Sana platform

A quieter but equally important change is that Gemini now serves as the default AI model for Sana for Workday, replacing earlier models. This brings advanced reasoning, multilingual support, and multi-modal capabilities to Workday’s agent platform, enabling it to handle nuanced HR and finance tasks more effectively—from interpreting ambiguous policy questions to supporting global, multilingual workforces . Customers still have the flexibility to swap models since Sana supports multiple AI providers .

Zero-copy data integration keeps data in place

The partnership introduces zero-copy technology that allows data to be shared and queried between Workday Data Cloud and Google Cloud Lakehouse (BigQuery) without moving or duplicating it. Each system reads data where it lives, maintaining strict security permissions and business rules. This unlocks faster trend and risk analysis and lets Workday agents turn insights into action. The integration also enables conversational analytics, so users can query their live enterprise data inside Gemini and receive instant answers .

Enterprise deployment support from major GSIs

Workday and Google Cloud are working with Accenture, Deloitte, and KPMG to help enterprise customers deploy these AI agents at scale. The three global systems integrators (GSIs) will use Google Cloud’s recently announced innovation fund to accelerate customer deployments, identifying the most impactful agentic use cases and building out deployment roadmaps for their clients .

Alphabet’s own custom Workday agent signals internal adoption

In a detail that underscores the partnership’s depth, Alphabet (Google’s parent company) plans to build and run a custom Workday agent on the Gemini Enterprise Agent Platform. This agent will be designed to streamline and automate key workflows for Alphabet’s internal Workday administrators, serving as both a real-world test case and a template for other large enterprises .

The broader multi-agent architecture

Under the hood, the partnership is built on a broader architectural vision that combines Workday’s Agent System of Record (ASOR) and agent roadmap with Google Cloud’s enterprise agent platform. The foundation supports Agent-to-Agent (A2A), Agent-to-UI (A2UI), and Model Context Protocol (MCP) approaches, enabling agents from Workday, Google Cloud, and third parties to share information and autonomously hand off tasks within single, governed workflows .

For enterprises already running Workday and Google Workspace, the May 2026 expansion represents more than a new integration—it’s a reconfiguration of where and how HR and finance work gets done. The agents are no longer trapped inside back-office systems; they now live in the same AI assistant employees use to do everything else.