Arthas.ai – An open-source alternative to character.ai

In plain words

Arthas.ai is an open-source platform for creating and interacting with AI characters, positioned as an alternative to Character.ai. Available on GitHub, it allows users to build custom AI characters and engage in conversations with them. The project targets developers and enthusiasts interested in character-based AI experiences who prefer open-source solutions they can modify and self-host rather than relying on proprietary platforms.

written from the facts on this page · September 2026

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