Gemini vs Microsoft Copilot 365

Side-by-side comparison — features, pricing, pros and cons

Freemium

4.3

Google's multimodal AI assistant built on the Gemini 3.1 architecture, notable for deep Google Workspace integration and 77.1% on the ARC-AGI-2 benchmark. Available across free, AI Pro ($20/mo), and Ultra ($250/mo) tiers with progressively larger context and model access. Strongest competitor to ChatGPT for users already in the Google ecosystem.

Category:AI Assistants

Features

Gemini 3.1 Pro model with multimodal input (text, image, audio, video)
77.1% score on ARC-AGI-2 abstract reasoning benchmark
Deep integration with Gmail, Docs, Sheets, Drive, and Meet
NotebookLM integration for research with source citations
Google Search grounding for real-time factual responses
+3 more

Pros

Google Search grounding provides current information without hallucination risk of pure model outputs
Native Google Workspace integration means no copy-pasting between tools for Docs/Sheets users
ARC-AGI-2 score of 77.1% leads all commercial models on abstract reasoning tasks
NotebookLM included in AI Pro tier provides citation-backed research at no extra cost

Cons

AI Ultra at $250/mo is 12.5x the price of Pro with modest real-world gains for most use cases
Gemini 3.1 Ultra access is gated to Ultra tier; Pro users get 3.1 Pro which lags on creative tasks
Google Workspace integration requires organizational admin approval, blocking individual use in enterprise
Voice mode is less natural than ChatGPT's real-time voice in head-to-head comparisons
Data privacy terms differ from ChatGPT; free tier data may be used for model training by default

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Microsoft Copilot 365

Paid

4.3

Microsoft Copilot 365 brings GPT-4 powered AI assistance to Word, Excel, PowerPoint, Outlook, and Teams. Draft documents, analyze data, create presentations, and manage emails with AI that understands your organizational context and Microsoft Graph data.

Category:Productivity

Features

Word document drafting
Excel data analysis
PowerPoint generation
Outlook email assistance
Teams meeting summaries
+3 more

Pros

Deep Microsoft 365 integration
Understands org context
Enterprise security
Familiar interface
Constantly improving

Cons

Requires E3/E5 + Copilot license
Expensive per user
Quality varies by app
Learning curve for prompting

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Tool	GeminiView details →	Microsoft Copilot 365View details →
Pricing	Freemium	Paid
Rating	4.3	4.3
Category	AI Assistants	Productivity
Description	Google's multimodal AI assistant built on the Gemini 3.1 architecture, notable for deep Google Workspace integration and 77.1% on the ARC-AGI-2 benchmark. Available across free, AI Pro ($20/mo), and Ultra ($250/mo) tiers with progressively larger context and model access. Strongest competitor to ChatGPT for users already in the Google ecosystem.	Microsoft Copilot 365 brings GPT-4 powered AI assistance to Word, Excel, PowerPoint, Outlook, and Teams. Draft documents, analyze data, create presentations, and manage emails with AI that understands your organizational context and Microsoft Graph data.
Features
Gemini 3.1 Pro model with multimodal input (text, image, audio, video)
77.1% score on ARC-AGI-2 abstract reasoning benchmark
Deep integration with Gmail, Docs, Sheets, Drive, and Meet
NotebookLM integration for research with source citations
Google Search grounding for real-time factual responses
Code execution sandbox for Python data analysis
AI Ultra tier with access to Gemini 3.1 Ultra model
Gemini API with 2M token context for developers
Word document drafting
Excel data analysis
PowerPoint generation
Outlook email assistance
Teams meeting summaries
Microsoft Graph integration
Enterprise data grounding
Cross-app intelligence
Pros
	Google Search grounding provides current information without hallucination risk of pure model outputs Native Google Workspace integration means no copy-pasting between tools for Docs/Sheets users ARC-AGI-2 score of 77.1% leads all commercial models on abstract reasoning tasks NotebookLM included in AI Pro tier provides citation-backed research at no extra cost	Deep Microsoft 365 integration Understands org context Enterprise security Familiar interface Constantly improving
Cons
	AI Ultra at $250/mo is 12.5x the price of Pro with modest real-world gains for most use cases Gemini 3.1 Ultra access is gated to Ultra tier; Pro users get 3.1 Pro which lags on creative tasks Google Workspace integration requires organizational admin approval, blocking individual use in enterprise Voice mode is less natural than ChatGPT's real-time voice in head-to-head comparisons Data privacy terms differ from ChatGPT; free tier data may be used for model training by default	Requires E3/E5 + Copilot license Expensive per user Quality varies by app Learning curve for prompting
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