ChessLM (sekor.eu.org/chesslm and documentation: github.com/skorotkiewicz/chesslm) plays chess against a lightweight, open-source AI model, chessLM, directly in the browser.

A classic game against a small neural network trained in chess, without a server: everything is played locally, on the page. Choose the color, move with the mouse or keyboard.
Interface in English.

Free, without an account, open-source and with no usage limit.