ChatGPT vs Microsoft Copilot

Detailed comparison of ChatGPT and Microsoft Copilot. See which tool is best for your specific needs.

ChatGPT logo
ChatGPT

The default AI assistant, backed by the GPT-5.6 model family

Starting atFree
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Microsoft Copilot logo
Microsoft Copilot

OpenAI models embedded across Microsoft 365 and Windows

Starting atFree
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FeatureChatGPTMicrosoft Copilot
Starting PriceFreeFree
Free Tier
Context Window1.05M tokensVaries by surface
Vision Input
Reasoning Mode
Open Weights
Web Search
API Access
API Access
Top Pros
  • Broadest feature set of any assistant (code execution, files, images, voice, custom GPTs)
  • Largest published context window of the closed flagships at 1.05M tokens
  • Three clearly separated price tiers from $0.20 to $5.00 per 1M input tokens
  • Native integration across Word, Excel, Outlook, Teams and Windows
  • Enterprise administration, compliance and tenant data boundaries
  • Included in some existing Microsoft 365 agreements
Main Cons
  • Highest output-token pricing of the mainstream flagships at $30 / 1M on Sol
  • Model tier naming (Sol / Terra / Luna) is harder to reason about than a simple ladder
  • No open-weight route — full vendor lock-in
  • $30/user/month on top of an existing Microsoft 365 licence
  • No direct API — you cannot build on it the way you can on OpenAI or Anthropic
  • Model access lags the underlying OpenAI releases
Best For
general assistantcodingresearchteams
enterprisemicrosoft 365productivityteams

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