Free plan at copilot.microsoft.com. Copilot Pro $30/month for individuals. Microsoft 365 Copilot for business at $30/user/month (requires Microsoft 365 subscription).

Free plan with usage limits. c.ai+ at $9.99/month with priority access and faster responses.

Copilot has access to your emails, documents, and Teams messages within your tenant. Review permission settings carefully. Enterprise version maintains data within Microsoft 365 environment.

Review Character.AI's terms and safety guidelines, especially for younger users. The platform collects conversation data. Parental awareness recommended for users under 18.

• ✓Deep integration with Word, Excel, Outlook, and Teams with zero workflow change
• ✓Free plan genuinely capable for everyday AI tasks
• ✓Enterprise data stays within Microsoft 365 security boundary
• ✓Teams meeting summary and email summarisation are practical time-savers

• ✓Massive library of community-created characters
• ✓Engaging for creative and social use cases
• ✓Free plan genuinely usable
• ✓Consistent character persona maintenance in long conversations

• ✕Microsoft 365 Copilot business plan expensive at $30/user/month on top of existing licensing
• ✕Effectiveness depends on quality of organisation's Microsoft 365 data
• ✕Less capable for creative and coding tasks than specialised tools

• ✕Not suited for accurate factual information or productivity tasks
• ✕Safety concerns raised regarding content for younger users
• ✕Characters prioritise persona over accuracy
• ✕Limited professional or research utility