AI Co-Scientist: Accelerating Discovery with Multi-Agent Reasoning

Google Research introduces the AI Co-Scientist, an advanced multi-agent AI system built on Gemini 2.0 to assist scientists in generating novel hypotheses and research proposals. Unlike standard literature review tools, this system mirrors the scientific method by iteratively formulating and refining hypotheses through specialized agents that evaluate, rank, and improve ideas. Validated in real-world biomedical applications—including drug repurposing for acute myeloid leukemia, liver fibrosis target discovery, and antimicrobial resistance mechanisms—the AI Co-Scientist demonstrates its potential to accelerate breakthrough discoveries. The system’s ability to synthesize vast scientific knowledge and self-improve through computational scaling marks a significant step toward AI-augmented scientific exploration. Research institutions can now apply for access through a Trusted Tester Program, paving the way for broader adoption in scientific research.