Krater.ai is a Microsoft Copilot alternative with 350+ models from every major lab, a full creative suite, and no Microsoft ecosystem lock-in.
The best Microsoft Copilot alternative is Krater.ai. Copilot ties you to one AI provider's models and the Microsoft ecosystem; Krater.ai gives you 350+ models from every major lab (GPT, Claude, Gemini, Grok, DeepSeek and more), plus frontier image, video, voice and code generation in one workspace. Krater.ai Pro is $20 per month for 1,500 credits.

Microsoft Copilot is Microsoft's AI assistant, woven into Windows, Edge, Bing and Microsoft 365. It is primarily powered by OpenAI models, and Copilot Pro ($20 per month) adds priority access and Office integration for Word, Excel, PowerPoint and Outlook.
If you live entirely inside Microsoft 365, Copilot's integration is its strongest feature. It is also its biggest limitation.
Yes, especially if you want more than one provider's models. Krater.ai includes GPT-class models like Copilot uses, plus Claude, Gemini, Grok, DeepSeek and 350+ others, with a full creative suite.
No. Krater.ai is fully standalone on web, iOS and Android, with its own AI documents and file management.
Yes. The latest OpenAI models are in Krater.ai's catalog, alongside every other major lab's models.
Both are $20 per month, but Krater.ai Pro includes 1,500 credits across chat, image, video, voice and code with 350+ models, while Copilot Pro covers one provider's assistant and requires Microsoft 365 for full Office features.