Chat Assistants · Head to head

Grok vs Microsoft Copilot

Features, pricing, strengths and trade-offs — and which one fits your situation.

Grok logoGrokFrom $10/moTry free
VS

The verdict

Summary

Grok is best for real-time answers from X posts and creative image and video generation, while Microsoft Copilot is best for windows and Microsoft 365 users who want AI inside Word, Excel, Outlook and Edge. Only Grok offers developer API. Both Grok and Microsoft Copilot offer a free plan, so you can try each before paying.

Which should you choose?

Grok logo

Choose Grok if…

  • You need real-time answers from X posts and creative image and video generation
  • Developer API matters to you
  • You're one of: heavy x users, people following breaking news, creators making short videos and images
  • Access to live X conversations that other assistants lack
Try Grok free
Microsoft Copilot logo

Choose Microsoft Copilot if…

  • You need windows and Microsoft 365 users who want AI inside Word, Excel, Outlook and Edge
  • You're one of: windows pc users, microsoft 365 households, office-heavy students and professionals
  • Built into Windows, Edge and Microsoft 365 apps people already use
Try Microsoft Copilot free

At a glance

GrokMicrosoft Copilot
Best forReal-time answers from X posts and creative image and video generationWindows and Microsoft 365 users who want AI inside Word, Excel, Outlook and Edge
Free planYesYes
Starting priceFrom $10/moFrom $19.99/mo
Learning curveLowLow
PlatformsWeb, iOS, Android, APIWeb, Windows, macOS, iOS, Android
Ideal forHeavy X users, People following breaking news, Creators making short videos and imagesWindows PC users, Microsoft 365 households, Office-heavy students and professionals

Feature comparison

GrokMicrosoft Copilot
Web search with sourcesYesYes
Image generationYesYes
Voice conversationsYesYes
File & PDF analysisYesYes
Custom assistants / GPTsLimitedLimited
Runs code / data analysisYesLimited
Deep research modeYesYes
Mobile appsYesYes
Developer APIYesNo
IncludedLimited / higher plansNot available— Not confirmed

Security & enterprise

GrokMicrosoft Copilot
Business / enterprise planYesYes
SSO (SAML / OIDC)Enterprise planVia Microsoft Entra ID
SCIM user provisioningEnterprise planVia Microsoft Entra ID
SOC 2Type II—
ISO 27001—Yes
HIPAA (BAA available)—Yes
GDPR DPA—Yes
Data residency options—EU Data Boundary
No training on your dataYesYes
Audit logs—Via Microsoft Purview
Admin controlsYesYes
DeploymentCloudCloud

From each vendor's security documentation. "—" = not confirmed. What to ask vendors · Compare all tools

What each tool does

Grok logoGrok

Grok is xAI's AI assistant, available at grok.com, in the X app and as standalone mobile apps. It pulls in live posts from X alongside web search, and adds DeepSearch reports, voice mode, Projects and Grok Imagine for image and video generation. Paid SuperGrok tiers unlock the flagship models and higher limits.

Key features
  • Real-time search across X posts and the web
  • DeepSearch for multi-source researched answers
  • Grok Imagine image and video generation with audio
  • Voice mode with camera input and animated companions
  • Projects with shared files and custom instructions
  • Code execution for data analysis on uploaded files

Microsoft Copilot logoMicrosoft Copilot

Microsoft Copilot is Microsoft's AI assistant, available as a free app on Windows, macOS, mobile and the web, and built into Edge and Bing. Microsoft 365 Personal, Family and Premium subscribers also get Copilot inside Word, Excel, PowerPoint, Outlook and OneNote. It offers web-grounded answers, image generation, voice conversations, Deep Research and Copilot Pages.

Key features
  • Web answers with citations via Bing
  • Copilot in Word, Excel, PowerPoint, Outlook and OneNote (Microsoft 365 plans)
  • Voice conversations and Copilot Vision
  • Image generation and editing
  • Deep Research and Think Deeper reasoning modes
  • Copilot Pages and Notebooks for organizing work

Pricing

Grok logoGrok

From $10/moFree plan

Free plan: yes; SuperGrok Lite $10/mo, SuperGrok $30/mo, Heavy $300/mo (also via X Premium+)

Microsoft Copilot logoMicrosoft Copilot

From $19.99/moFree plan

Free plan: yes; paid via Microsoft 365 Personal/Family/Premium (Premium ~$19.99/mo; Copilot Pro folded into M365 Premium)

Prices last checked September 2026. Plans change often — confirm on each vendor's site.

Pros and cons

Grok logoGrok

Strengths
  • Access to live X conversations that other assistants lack
  • Image and video generation built into the app
  • Free plan available and bundled with X Premium tiers
  • Developer API with text, image, video and voice models
Limitations
  • Looser content moderation has led to controversial outputs
  • X posts as a source can surface unverified claims
  • Companions and top models require the more expensive tiers
  • Fewer third-party work integrations than ChatGPT or Claude

Not ideal for: Organizations that need conservative content controls or deep Microsoft/Google workplace integration should look elsewhere.

Microsoft Copilot logoMicrosoft Copilot

Strengths
  • Built into Windows, Edge and Microsoft 365 apps people already use
  • Free tier includes web search, image generation and voice
  • Microsoft 365 Premium bundles AI with Office apps and cloud storage
  • Uses a mix of OpenAI, Anthropic and Microsoft models
Limitations
  • Copilot in Office apps requires a Microsoft 365 subscription
  • Consumer and work versions (Microsoft 365 Copilot) differ, which is confusing
  • No developer API for the consumer assistant
  • Fewer custom-assistant options for consumers than ChatGPT GPTs or Gemini Gems

Not ideal for: People who work mainly in Google Workspace or want a developer API should look at Gemini or ChatGPT instead.

Integrations

Grok logoGrok

XGoogle Drive

Microsoft Copilot logoMicrosoft Copilot

WordExcelPowerPointOutlookOneDriveEdge

FAQ

What is the main difference between Grok and Microsoft Copilot?

Grok is built for real-time answers from X posts and creative image and video generation; Microsoft Copilot is built for windows and Microsoft 365 users who want AI inside Word, Excel, Outlook and Edge. Key differences: Grok offers developer API.

Is Grok or Microsoft Copilot cheaper?

Grok starts from $10/mo and Microsoft Copilot starts from $19.99/mo (as of September 2026). On entry price, Grok is cheaper — but compare what each plan includes, since limits differ. Always confirm current pricing on each vendor's site.

Do Grok and Microsoft Copilot have free plans?

Both Grok and Microsoft Copilot offer a free plan, so you can try each before paying.

Which is easier to use, Grok or Microsoft Copilot?

Both have a low learning curve.

What are good alternatives to Grok and Microsoft Copilot?

Other chat assistants tools worth comparing include Genspark, Perplexity and Consensus.

Alternatives

Other chat assistants tools to compare

AI agent workspace ('Super Agent') for research, slides, sheets, calls and content generation.

Free planFrom $24.99/mo

AI search engine that answers questions from peer-reviewed scientific papers.

Free planFrom $20/mo