DECRYPT · 2026-11-11 19:36 UTC

Tether's Tiny AI Agent Beats Models 2.5 Times Its Size at Controlling Your Phone

Tether unveiled QVAC BotPsy, an 800-million-parameter AI agent built to carry out everyday tasks on personal devices. In Tether's testing, BotPsy beat competitor models with up to 2.5 times as many parameters, scoring 44.0% on BFCL v4 versus 37.7% for Qwen3.5-2B and 58.7% on ACEBench versus 55.4%. BotPsy is built on Alibaba's Qwen3.5-0.8B and released as an open-weight model under the Apache 2.0 license.

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