In the video titled “BoxChat: The Cheapest Way to Access All Premium Models” by Leon van Zyl, the host introduces Boxchat.ai, a platform that provides access to various premium AI models including those from OpenAI, Anthropic, and Meta. The video demonstrates how to use Boxchat for tasks such as chatting with models, generating images, and working with PDF documents. The host highlights the affordability of Boxchat, offering a subscription model at $18 per month, which includes a 25% discount for viewers. The video also showcases the platform’s playground feature, allowing users to compare model responses side by side. Overall, Boxchat is presented as a powerful and cost-effective tool for leveraging advanced AI capabilities in a single interface.