Disclosed are methods, systems, and devices for portably brewing tea, coffee, or other beverages in a container that regulates the temperature and diffusion during and after brewing. For example, the present technology allows people to prepare and consume tea, coffee and other beverages while on the go. In some aspects, a portable brewing device includes a container having a specialized canister system in the interior of the container that encloses the beverage material and controls the diffusion of water in/out of the canister; an intelligent heating and cooling system to continuously regulate the temperature of water in the device; and a data processing unit in communication with the canister and heating and cooling systems to control operational features and store user-specialized settings for the device.
