Microsoft Copilot vs GPT-5.5
A detailed side-by-side comparison to help you choose the right tool for your workflow.
| Feature | Microsoft Copilot AI companion for Microsoft 365 and Windows | GPT-5.5 OpenAI's latest fully retrained foundation model with parallel reasoning |
|---|---|---|
| Rating | 4.2(5672) | |
| Pricing | Freemium Free tier, Pro $20/mo, M365 Copilot $30/user/mo | Freemium Free via ChatGPT, Plus $20/mo, Pro $200/mo, API $5/$30 per 1M tokens |
| Category | AI Chat & Assistants | AI Chat & Assistants |
| Use Case | Email DraftingDocument SummarizationImage Generation | Research |
| Has API | ||
| Mobile App | ||
| Open Source | ||
| SSO Support | ||
| Trains on Your Data | ||
| Team Size | — | — |
| Deployment | — | — |
| Time to Value | — | — |
| Best For | — | — |
| Verified |
Microsoft Copilot vs GPT-5.5: Which Should You Choose?
Based on community ratings, GPT-5.5 (4.7/5 from 2890 reviews) has the edge over Microsoft Copilot (4.2/5 from 5672 reviews).
Pricing: Both tools are freemium options. Check the pricing tiers above to find the best value for your needs.
Bottom line: Microsoft Copilot is built for AI Chat & Assistants, while GPT-5.5 targets Research. If you need both, GPT-5.5 has the stronger community signal.
Is Microsoft Copilot better than GPT-5.5?
GPT-5.5 has a higher community rating (4.7 vs 4.2) based on 8562 total reviews on AIPowerStacks. However, "better" depends on your specific use case, budget, and team size.
Can I use Microsoft Copilot and GPT-5.5 together?
Yes. Since Microsoft Copilot focuses on one area and GPT-5.5 on Research, they can complement each other in your workflow.
Which is cheaper, Microsoft Copilot or GPT-5.5?
Both tools have similar pricing models. Use our pricing comparison above to see exact tier-by-tier costs.