How much does Bing AI cost?

Considering the increasing integration of AI into various platforms, how does the cost structure of Bing AI compare to other AI services, and what factors influence these pricing models?

Bing Chat Enterprise is now available for preview and is included at no extra charge in Microsoft 365 E3, E5, Business Standard, and Business Premium plans.
In the future, it will also be offered as a standalone service for $5 per user, per month.

Subscriptions for Bing Chat Enterprise will cost $5 per user per month. However, if your organization already pays for Microsoft 365 enterprise plans, the service will be free. According to Microsoft, Bing Chat Enterprise is now accessible to 160 million people who use the 365 enterprise plans.