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Head-to-head · AI Agent Marketplaces

Microsoft 365 Copilot Agent Store vs GPT Store

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Microsoft 365 Copilot Agent Store #1 in AI Agent Marketplaces 9.2/10 Paid ✓ 0 of 1 features Visit Microsoft
GPT Store #6 in AI Agent Marketplaces 8.5/10 Free plan Free plan✓ 0 of 1 features Visit GPT Store

Microsoft 365 Copilot Agent Store leads on 0 checks, GPT Store on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMicrosoft 365 Copilot Agent Store · 9.2/10
  • Free planonly GPT Store

Microsoft 365 Copilot Agent Store scores higher on our rubric for ai agent marketplaces: 9.2 against 8.5 out of 10; our editors rank them #1 and #6.

On transaction model, Microsoft 365 Copilot Agent Store gives you Subscription where GPT Store offers Free.

Microsoft 365 Copilot Agent Store is the better fit for microsoft 365 organizations. GPT Store is the better fit for free no-code GPT discovery and creation.

  • Microsoft 365 Copilot Agent Store fits best

    Microsoft 365 organizations

  • GPT Store fits best

    Free no-code GPT discovery and creation

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Side by side

Feature Microsoft 365 Copilot Agent Store 9.2/10 Visit ↗ GPT Store 8.5/10 Visit ↗
At a glance
Editor score 9.2 8.5
Ranking #1 in AI Agent Marketplaces #6 in AI Agent Marketplaces
Best for Microsoft 365 organizations Free no-code GPT discovery and creation
Pricing model Paid Free plan + paid
Starting price $21/user/mo —
Free plan Not checked yet ✓ (best)
Free trial — —
Deployment Cloud, Mobile, Desktop Cloud, Mobile
Platforms Web, Windows, macOS, iOS, Android Web, iOS, Android
Support Phone, Live chat, Docs Docs
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Microsoft 365 Copilot Agent Store 0/1 · GPT Store 0/1
API access Not checked yet —
Specs
Agent types Ready-to-use, declarative, custom engine, Copilot Studio, SharePoint, connectors specialized-purpose GPTs; no-code assistants; GPTs with knowledge, capabilities, apps, or API actions
Install channels Microsoft 365 Copilot Agent Store, Microsoft Teams, Outlook, Word, Excel, PowerPoint, Microsoft Marketplace ChatGPT web; direct GPT links; iOS app; Android app
Publishing access Reviewed Reviewed
Transaction model Subscription Free
Listed agent count Not checked yet Not checked yet
Our review
Pros
  • Reviewed Agent Store with administrative approval and lifecycle management
  • Supports internal catalogs and multiple agent types
  • Works across Microsoft 365 Copilot and core Microsoft 365 apps
  • Browse public GPTs through Explore GPTs or direct links
  • Add instructions, knowledge files, capabilities, and conversation starters
  • Support actions connecting GPTs to apps or external APIs
Cons
  • Access is priced through Microsoft 365 Copilot plans, not a separate store tier
  • Its strongest fit depends on Microsoft 365 app adoption
  • Advanced identity and data protection require Premium with Copilot
  • New GPT creation and publishing are unavailable on personal accounts
  • Public publishing requires automated sharing and policy checks
  • OpenAI plans to retire custom GPTs, beginning with Enterprise on December 11, 2026
Our verdict

Microsoft 365 Copilot Agent Store is an in-product catalog for discovering, installing, managing, and using AI agents from Microsoft, trusted partners, and organizations. It is designed for Microsoft 365 organizations that want agents…

Read the review →

GPT Store is OpenAI’s marketplace-style directory for discovering specialized GPTs inside ChatGPT. It suits people who want to browse purpose-built assistants, open public GPT pages, and chat with accessible GPTs after signing in. The…

Read the review →
  1. Microsoft 365 Copilot Agent StoreAI Agent Marketplaces 9.2Paid
  2. GPT StoreAI Agent Marketplaces 8.5Free plan

Strengths and trade-offs

  • Microsoft 365 Copilot Agent Store — where it wins

    • Reviewed Agent Store with administrative approval and lifecycle management
    • Supports internal catalogs and multiple agent types
    • Works across Microsoft 365 Copilot and core Microsoft 365 apps

    Where it doesn't

    • Access is priced through Microsoft 365 Copilot plans, not a separate store tier
    • Its strongest fit depends on Microsoft 365 app adoption
    • Advanced identity and data protection require Premium with Copilot

  • GPT Store — where it wins

    • Browse public GPTs through Explore GPTs or direct links
    • Add instructions, knowledge files, capabilities, and conversation starters
    • Support actions connecting GPTs to apps or external APIs

    Where it doesn't

    • New GPT creation and publishing are unavailable on personal accounts
    • Public publishing requires automated sharing and policy checks
    • OpenAI plans to retire custom GPTs, beginning with Enterprise on December 11, 2026

More comparisons

All AI agent marketplaces comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update