AliceAI-Foundation-80B-A3B-Base is Yandex's new 80-billion-parameter Mixture-of-Experts language model trained from scratch with a custom architecture, activating 3 billion parameters per token. Released under Apache 2.0 with open weights, it is accompanied by new Russian-language benchmarks WikiWebFacts and HardMultiQA. The base model is intended as the foundation for future reasoning and agentic Alice AI capabilities.

Sona is Yandex's generative AI model that replaces an entire multi-stage music recommendation cascade with a single jointly trained model. It handles candidate generation through ranking without hand-engineered features. In a live A/B test on Yandex Music smart-speaker recommendations it lifted active users 4.53%, listening time 6.3% and likes 11.42%.

A search and services app providing AI-assisted answers, navigation, and access to Yandex products.