Microsoft 365 Premium vs ChatGPT Plus

Microsoft 365 Premium is $0.010000000000001563/mo cheaper · Updated 2026-07-17

Microsoft 365 Premium

microsoft
$19.99/mo

Microsoft 365 Premium replaces standalone Copilot Pro for consumers at $19.99/month or $199.99/year.

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ChatGPT Plus

openai
$20/mo

GPT-5.6 is appearing in paid ChatGPT subscriptions. Availability may roll out by account, region, and plan; higher-capacity Pro access remains reserved for Pro, Business, Enterprise, and Edu.

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Attribute Microsoft 365 Premium ChatGPT Plus
Price $19.99/mo $20/mo
Tier pro pro
Context window 64K tokens 32K tokens
Provider microsoft openai
Billing monthly-or-yearly monthly
Audience consumer consumer
Flagship models gpt-5.4, o3 gpt-5.6, gpt-5.6-thinking
Usage note Microsoft 365 Premium replaces standalone Copilot Pro for consumers at $19.99/month or $199.99/year. GPT-5.6 is appearing in paid ChatGPT subscriptions. Availability may roll out by account, region, and plan; higher-capacity Pro access remains reserved for Pro, Business, Enterprise, and Edu.
Feature count 6 11

Only in Microsoft 365 Premium

  • +Copilot in Word/Excel/PowerPoint/Outlook
  • +priority Copilot access
  • +100 boosts/day image gen
  • +Designer access
  • +Microsoft 365 apps
  • +6 TB cloud storage

Only in ChatGPT Plus

  • +GPT-5.6 access as rollout reaches the account
  • +GPT-5.6 Thinking access (manual model picker)
  • +advanced reasoning models
  • +voice conversations
  • +image generation
  • +file uploads and analysis
  • +data analysis
  • +custom GPTs
  • +memory
  • +canvas
  • +deep research

Which one should I pick?

Microsoft 365 Premium is $0.010000000000001563/mo cheaper Picking between Microsoft 365 Premium and ChatGPT Plus usually comes down to three things: which models you want access to, how much you'll actually use, and what ecosystem you already live in.

  • Pick Microsoft 365 Premium if you want gpt-5.4 or o3 as your daily driver, or if Copilot in Word/Excel/PowerPoint/Outlook matters to you.
  • Pick ChatGPT Plus if you want gpt-5.6 or gpt-5.6-thinking, or if GPT-5.6 access as rollout reaches the account is closer to your workflow.

Still unsure? The Subscription vs API calculator tells you the break-even usage where pay-as-you-go API access would be cheaper than either subscription.

Frequently asked questions

What is the price difference between Microsoft 365 Premium and ChatGPT Plus? +

Microsoft 365 Premium costs $19.99/mo and ChatGPT Plus costs $20/mo, a difference of $0.010000000000001563/month (about $0.12000000000001876/year). Pricing verified 2026-07-17.

Which AI models are included with Microsoft 365 Premium vs ChatGPT Plus? +

Microsoft 365 Premium bundles gpt-5.4, o3. ChatGPT Plus bundles gpt-5.6, gpt-5.6-thinking. The model lineup is usually the most important factor — pick the plan whose flagship models match the work you actually do.

Is Microsoft 365 Premium or ChatGPT Plus better value for power users? +

ChatGPT Plus costs $0.010000000000001563/month more than Microsoft 365 Premium. That premium is worth it if you regularly hit Microsoft 365 Premium's usage limits, want access to the gpt-5.6 model, or value the extra features listed above.

Can I switch between Microsoft 365 Premium and ChatGPT Plus? +

Yes. Both plans are monthly subscriptions you can cancel or downgrade at any time. Many users keep one plan as a daily driver and try the other for a single billing cycle to compare in their own workflow.