Tether releases free offline AI translation models for phone and laptop

Tether AI Research unveiled QVAC TranslatePsy-AfriSLM and EuroNano, translation models that run entirely on-device with no network connection. AfriSLM has 800 million parameters and covers 19 African languages, while EuroNano occupies just 36MB and supports 90 translation directions.

• AfriSLM has 800M parameters and covers 19 African languages
• EuroNano occupies 36MB and supports 90 translation directions
• 96% of low-quality training data was discarded
• AfriSLM is available on Hugging Face; paper accepted at EMNLP 2026