Artificial intelligence

Tether releases QVAC BotPsy, a small open-weight AI agent for device tasks

The 800-million-parameter model, built on Alibaba's Qwen3.5-0.8B, beat larger Qwen models on tool-use tests run by Tether, which has not yet announced a consumer assistant.

Nov 11, 2026, 20:32 UTC · 2 min read

A brain over cpu represents artificial intelligence — Photo: **Sumaid pal Singh Bakshi** / **Unsplash**

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Tether unveiled QVAC BotPsy, an 800-million-parameter agent built to perform tasks on personal devices.
In Tether's own tests, it scored 44.0% on BFCL v4, ahead of the 37.7% of the larger Qwen3.5-2B.
The model is open-weight under Apache 2.0, but training code and data are not included.

Tether, the issuer of the USDT stablecoin, has unveiled QVAC BotPsy, a compact AI agent meant to carry out everyday tasks on personal devices. Decrypt reported the launch, which took place on Wednesday.

Artificial intelligence · 2 min read

ACE Music v1 edges past Suno v6 on Artificial Analysis vocal music leaderboard

ACE Studio's new model leads the AI vocal music ranking by 16 Elo points, though confidence intervals overlap and Suno still tops the instrumental leaderboard, Decrypt reported.

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United bars third-party AI agents from booking flights over privacy and rule concerns

The airline says personal AI assistants can still display its flights but cannot complete purchases, citing customer data risks, unintended buys and federal disclosure requirements for travelers.

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Tether releases QVAC BotPsy, a small open-weight AI agent for device tasks

KEY POINTS

ACE Music v1 edges past Suno v6 on Artificial Analysis vocal music leaderboard

United bars third-party AI agents from booking flights over privacy and rule concerns

TSMC board approves up to $1 billion in stakes in OpenAI and Anthropic

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