Tether’s 0.8B-Parameter BotPsy Beats a Model 2.5 Times Its Size at Tool Use, Making the Case for AI Agents That Run on Your Phone Instead of the Cloud

Tether’s AI research group released BotPsy, a 0.8B-parameter agent model that roughly doubles its base model’s tool-use scores and beats a model 2.5 times its size on five of six benchmarks, strengthening the business case for small, private, on-device AI.

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