China releases free DNA-screening AI to speed rare disease diagnosis

Rare genetic diseases present a unique diagnostic challenge: patients often undergo years of testing and specialist visits—a journey described as the "diagnostic odyssey"—while the root cause remains buried in the three billion base pairs of the human genome. OneGenome addresses this bottleneck by combining two AI capabilities: genomic reasoning (via Genos, the foundational model trained on diverse human genomes) and clinical knowledge reasoning (via large language model integration). This dual approach allows the system to bridge the gap between raw genetic data and the vast library of clinical literature, translating gene mutations into meaningful clinical interpretations and treatment pathways. The fact that OneGenome surpassed both general-purpose LLMs like DeepSeek-v4 and traditional gene-specific models in diagnostic and medication guidance tasks suggests that purpose-built medical reasoning may outperform general-purpose systems on this specialized task. By releasing the tool open-source and free, BGI-Research is positioning it as a global public resource, potentially democratizing diagnostic support for rare disease patients worldwide.