Today we're launching Petrichor (YC F26), a wet lab for frontier AI labs (twitter.com)

Petrichor, a new startup from Y Combinator’s Winter 2026 batch, has launched a cutting-edge wet lab designed to empower AI and machine learning labs to conduct more biological experiments. Recognizing the data constraints in biological research, Petrichor allows frontier AI labs to submit experiments directly via a Python library, streamlining the process of data collection. By handling these experiments, Petrichor ensures that participating labs receive rich datasets that enhance their model training capabilities and accelerate their research efforts in the intersection of AI and biology. This initiative is significant for the AI/ML community as it addresses the scarcity of biological data crucial for training effective models, facilitating faster advancements in AI applications within life sciences. The lab captures comprehensive datasets from each experiment, boosting the quality of training data available. However, while the affordability and reliability of these experiments may come into question, Petrichor's emphasis on high-quality data production positions it as a game-changer in an area where collaboration between AI and biological sciences is increasingly vital for innovation.