QVAC Blog

29 July 2026 — Tether AI Research is releasing VisionPsy-Nano, a family of ~460M-parameter vision-language models built to run on the device in your pocket. It leads its weight class on 16 of 17 benchmarks, beats models up to 2.3x its size on ScienceQA, instruction following and hallucination robustness, and the Flash variant reaches the first token in 0.3s on an iPhone 15. Open weights, Apache 2.0.

16 July 2026 — For people who have lost their voice to ALS, the words are still there. The connection to the world is what breaks, not the mind. BrainWhisperer, from Tether Evo, decodes attempted speech from the brain into text, and QVAC runs it fully on-device: more than 90% of words correct on real recordings, in under 2 GB, nothing leaving the machine. An early proof of concept, not a product.

10 June 2026 — QVAC MedPsy is a free, open-source medical AI that runs entirely on your phone, with no cloud and nothing leaving your device. Its 4B model matches Google's MedGemma-27B at nearly seven times smaller. Here is how small, private medical AI works, and what it can and cannot do.

12 May 2026 — Translation has been one of the corner use-cases of NLP for a long time. This makes it sound easy but we've found out that... not so much.