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
Tie
4.2 against 4.2
Same job?
Yes
Both are Automation tools
Side by side
Compared on
Microsoft Copilot Studio
Vertex AI Agent Builder
Our rating
4.2
4.2
Starts at
$200/mo
Not listed
Free plan
No
No
Category
Automation
Automation
Plans
Capacity pack$200 per pack/mo (25,000 Copilot Credits, tenant-wide)
Pay-as-you-goBilled per Copilot Credit used, through an Azure subscription
Pre-purchase planPrepaid Copilot Credit Commit Units, up to 20% off
Included in Microsoft 365 Copilot$30 per user/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
Low-code conversational agent builder
Deep integration with Teams, SharePoint, and Dynamics 365
Grounding in Dataverse records and internal APIs
Evolved from Microsoft's earlier Power Virtual Agents
Enterprise-tier pricing within Microsoft 365 licensing
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
Tight integration removes separate identity and hosting setup for Microsoft shops
Agents can ground directly in existing SharePoint and Dataverse content
Deploys straight into Teams where employees already work
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
High price point reflects enterprise-only positioning
Full value depends on already being deep in the Microsoft ecosystem
Less useful for teams not using Microsoft 365 as their core platform
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
Company
Microsoft, founded 2023
Google, 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 Copilot Studio better than Vertex AI Agent Builder?
In our reviews Microsoft Copilot Studio scores 4.2 and Vertex AI Agent Builder scores 4.2. The better pick depends on the job. Microsoft Copilot Studio: Microsoft's low-code builder for custom Teams and 365 copilots. Vertex AI Agent Builder: Google Cloud's full agent platform, grounded in Search and Gemini.
Which is cheaper, Microsoft Copilot Studio or Vertex AI Agent Builder?
Microsoft Copilot Studio: from $200/mo. Vertex AI Agent Builder: see pricing.
Do Microsoft Copilot Studio and Vertex AI Agent Builder have free plans?
Microsoft Copilot Studio
Vertex AI Agent Builder
