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Head to head · 2026

Microsoft Power Automate vs Vertex AI Agent Builder

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Microsoft Power Automate

Cloud flows and desktop RPA under one Microsoft roof

4.3$15/mo

Visit Microsoft Power Automate (opens Microsoft Power Automate in a new tab)

Vertex AI Agent Builder

Google Cloud's full agent platform, grounded in Search and Gemini

4.2Not listed

Visit Vertex AI Agent Builder (opens Vertex AI Agent Builder in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: Vertex AI Agent Builder does not list a price

  • Free plan

    Tie

    Neither has one

  • Higher rating

    Microsoft Power Automate

    4.3 against 4.2

  • Same job?

    Yes

    Both are Automation tools

Side by side

Compared onMicrosoft Power AutomateVertex AI Agent Builder
Our rating4.3Better4.2
Starts at$15/moNot listed
Free planNoNo
CategoryAutomationAutomation
Plans
  • Premium$15/user/mo, paid yearly
  • Process$150/bot/mo, paid yearly
  • Hosted Process$215/bot/mo, paid yearly
  • Process Mining add-on$5,000/tenant/mo, paid yearly
  • Free credits$300 for new Google Cloud customers
  • Agent runtime$0.085 per vCPU-hour; $0.009 per GiB-hour of memory
  • Sessions and Memory Bank$0.30 per GiB-month stored; $0.085 per 3M reads or 1M writes
  • ModelsPer token, at each model's rate
Key features
  • Cloud flows for SaaS app integration
  • Desktop RPA for legacy software automation
  • AI-generated steps layered into traditional flows
  • Deep integration with Power Apps, Power BI, and Dataverse
  • 30-day free trial
  • No-code and code-first agent building paths
  • Google Search grounding for current, verifiable answers
  • Deep integration with Gemini models
  • Full lifecycle coverage from building to deployment
  • Integration with the broader Google Cloud data and AI stack
Pros
  • Combines cloud integration and desktop RPA in one platform
  • Deep ties to the broader Power Platform ecosystem
  • AI steps add generative capability to traditional automation
  • Google Search grounding is a genuinely distinctive capability
  • Covers building and deployment, not just runtime infrastructure
  • Deep integration with Gemini and Google Cloud's broader AI stack
Cons
  • Per-user pricing adds up for larger teams
  • Full value depends on Microsoft 365 and Power Platform adoption
  • Desktop RPA setup can be more involved than pure cloud automation
  • No free tier, built for Google Cloud enterprise usage
  • Full value requires investment in the Google Cloud ecosystem
  • Less framework-agnostic than competitors built to support any agent framework
CompanyMicrosoft, founded 2016Google, founded 2024

Prices come from each vendor's pricing page, last checked 2026-09-24. Check the vendor before you buy.

FAQ

Questions people ask

Is Microsoft Power Automate better than Vertex AI Agent Builder?

In our reviews Microsoft Power Automate scores 4.3 and Vertex AI Agent Builder scores 4.2. The better pick depends on the job. Microsoft Power Automate: Cloud flows and desktop RPA under one Microsoft roof. Vertex AI Agent Builder: Google Cloud's full agent platform, grounded in Search and Gemini.

Which is cheaper, Microsoft Power Automate or Vertex AI Agent Builder?

Microsoft Power Automate: from $15/mo. Vertex AI Agent Builder: see pricing.

Do Microsoft Power Automate and Vertex AI Agent Builder have free plans?

Neither lists a free plan.

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