Tether unveiled QVAC BotPsy, an 800-million-parameter AI agent designed to perform tasks on personal devices. In the company’s tests, the model achieved the best results on five of six tool-use evaluations, averaging 45.0% compared with 38.8% for the larger Qwen model. BotPsy can select the required tools, execute commands in the correct order and recover from failed operations, such as restoring Wi-Fi or freeing storage space to send a message. Built on the Qwen3.5-0.8B architecture, the model can operate locally without continuously sending personal data to cloud servers. It is available under the Apache 2.0 license in compressed versions, but Tether has not announced a release date for a consumer assistant, and the training code and data are not included.
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