In short
How they differ.
Worked out from the makers' own pages, read Oct 20, 2026. Prices change; check before you pay.
- Both have a free plan.
- Microsoft Copilot also has a web and phone app and computer app.
- Microsoft Copilot shipped an update more recently (Aug 18, 2026).
Side by side
The details.
| Doubao | Microsoft Copilot | |
|---|---|---|
| Made by | ByteDance · China | Microsoft · United States |
| What it says it is | “While Doubao's basic version will remain free to meet users' simple needs” | “Copilot is the AI for work, helping you create, research, analyze, and get things done in the Microsoft 365 apps you use every day.1” |
| Free plan | YesAFP (2026-06-25): "Free users will be able to use basic search functions, but face limits in video and image generation." | Yes"Limited usage with a free Microsoft account"; Microsoft 365 plans give "higher usage than free" or "extensive usage". |
| Plans | Free (basic): freeStandard: not in US$Enhanced: not in US$Professional: not in US$ | Free (Microsoft account): freeMicrosoft 365 Personal: $9.99 a monthMicrosoft 365 Family: $12.99 a monthMicrosoft 365 Premium: $19.99 a month |
| Runs on | Not stated | web, desktop, mobile |
| Latest update | ByteDance rolls out paid subscriptions for China's largest AI chatbot (AFP), Jun 25, 2026 | Updated Microsoft Copilot app for web, desktop, and mobile available, Aug 18, 2026 |
| Its terms | — | “If you are logged into Copilot with a Microsoft Account or other third-party authentication, you can control whether your conversation activity is used for training Microsoft's generative AI models.”What it does with your data · Microsoft Support: Privacy FAQ for Microsoft Copilot |
| Disputes | None on file | None on file |
| Sources | Prices, May 5, 2026 · Description · news-reported | Prices, Oct 20, 2026 · Description · company-reported |
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