Y Combinator's standard deal now includes a $500k investment, with $125k for 7% equity and the remaining $375k invested at terms determined by the next equity round. This deal is seen as founder-friendly, providing upfront capital while allowing founders to negotiate terms with future investors. The investment includes a most favored nation (MFN) clause, which ensures that YC's investment terms will be at least as favorable as those offered to subsequent investors. The deal's structure and implications are discussed in the comments.