OpenAI o3 vs Microsoft 365 Copilot
A side-by-side comparison to help you choose the right tool.
90
OpenAI o3 scores higher overall (90/100)
But the best choice depends on your specific needs. Compare below.
| Feature | OpenAI o3 | Microsoft 365 Copilot |
|---|---|---|
| Our score | 90 | 85 |
| Pricing | Available through OpenAI products and API access paths; pricing depends on plan or API usage. | Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans. |
| Free plan | No | No |
| Best for | Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks | Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls |
| Platforms | web, ios, android, api | web, windows, mac, ios, android |
| API | Yes | Yes |
| Languages | en | en |
| Pros |
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| Cons |
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| Visit site | Get started |
- Pricing
- Available through OpenAI products and API access paths; pricing depends on plan or API usage.
- Free plan
- No
- Best for
- Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks
- Platforms
- web, ios, android, api
- API
- Yes
- Languages
- en
- Pricing
- Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans.
- Free plan
- No
- Best for
- Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls
- Platforms
- web, windows, mac, ios, android
- API
- Yes
- Languages
- en
90Choose OpenAI o3 if:
- You are Researchers and analysts solving complex multi-step problems
- You are Developers who need deeper reasoning than a fast general-purpose model
- You are Users working with charts, files, and visual reasoning tasks
85Choose Microsoft 365 Copilot if:
- You are Organizations already standardized on Microsoft 365
- You are Knowledge workers living in Outlook, Word, PowerPoint, and Teams
- You are IT-led deployments that need enterprise controls
FAQ
- What is the difference between OpenAI o3 and Microsoft 365 Copilot?
- OpenAI o3 is openai's high-end reasoning model designed for harder coding, analysis, science, and multi-step problem solving with tool use. Microsoft 365 Copilot is microsoft's work-focused ai assistant embedded across microsoft 365 apps and enterprise workflows.
- Which is cheaper, OpenAI o3 or Microsoft 365 Copilot?
- OpenAI o3: Available through OpenAI products and API access paths; pricing depends on plan or API usage.. Microsoft 365 Copilot: Starts from about $30/user/month for business offerings, with personal bundles also available in Microsoft 365 consumer plans..
- Who is OpenAI o3 best for?
- OpenAI o3 is best for Researchers and analysts solving complex multi-step problems, Developers who need deeper reasoning than a fast general-purpose model, Users working with charts, files, and visual reasoning tasks.
- Who is Microsoft 365 Copilot best for?
- Microsoft 365 Copilot is best for Organizations already standardized on Microsoft 365, Knowledge workers living in Outlook, Word, PowerPoint, and Teams, IT-led deployments that need enterprise controls.