AI was once again the buzzword for this latest batch of YC Demo Day companies. Nearly 190 companies participated in Y Combinator’s Winter ‘26 cohort and presented their startups in a Demo Day on Tuesday.  These companies are working on products across industries such as law, transportation, and healthcare.   I did not, admittedly, listen to every single product pitch given the sheer size of the cohort and this year’s Demo Day format available to media: YC posted the pitch videos, one by one,