ChatGPT vs Microsoft Copilot 365

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

Freemium

4.5

OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.

Category:AI Assistants

Features

GPT-5.4 model with 1M token context window
Computer-use feature for desktop task automation
Codex App integration for autonomous coding agents
Voice mode with real-time conversation
DALL-E image generation built in as GPT Image
+3 more

Pros

Largest installed base means most third-party integrations and community resources
GPT-5.4 scores top-3 on most public benchmarks as of Q1 2026
Computer-use reduces need for separate automation tools for desktop workflows
Custom GPTs allow non-developers to build specialized assistants without code

Cons

Plus plan ($20/mo) imposes daily message limits on GPT-5.4; heavy users hit caps before noon
Computer-use feature is US-only and requires desktop app install as of March 2026
Context window degrades in quality above 600K tokens — 1M is theoretical max, not practical
Free tier locks users to older GPT-4o mini model, not GPT-5.4
Codex App autonomous tasks can consume credits unpredictably, reaching $50+ in a single session

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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	ChatGPTView details →	Microsoft Copilot 365View details →
Pricing	Freemium	Paid
Rating	4.5	4.3
Category	AI Assistants	Productivity
Description	OpenAI's general-purpose AI assistant now powered by GPT-5.4 with 1M token context and computer-use capability for desktop automation. Supports text, voice, image, file, and code workflows in one interface. Used by 400M+ weekly active users across professional and consumer contexts.	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
GPT-5.4 model with 1M token context window
Computer-use feature for desktop task automation
Codex App integration for autonomous coding agents
Voice mode with real-time conversation
DALL-E image generation built in as GPT Image
File upload and analysis (PDF, CSV, images, code)
Custom GPTs marketplace with 3M+ published agents
Projects feature for persistent context across sessions
Word document drafting
Excel data analysis
PowerPoint generation
Outlook email assistance
Teams meeting summaries
Microsoft Graph integration
Enterprise data grounding
Cross-app intelligence
Pros
	Largest installed base means most third-party integrations and community resources GPT-5.4 scores top-3 on most public benchmarks as of Q1 2026 Computer-use reduces need for separate automation tools for desktop workflows Custom GPTs allow non-developers to build specialized assistants without code	Deep Microsoft 365 integration Understands org context Enterprise security Familiar interface Constantly improving
Cons
	Plus plan ($20/mo) imposes daily message limits on GPT-5.4; heavy users hit caps before noon Computer-use feature is US-only and requires desktop app install as of March 2026 Context window degrades in quality above 600K tokens — 1M is theoretical max, not practical Free tier locks users to older GPT-4o mini model, not GPT-5.4 Codex App autonomous tasks can consume credits unpredictably, reaching $50+ in a single session	Requires E3/E5 + Copilot license Expensive per user Quality varies by app Learning curve for prompting
Website	Visit	Visit