AI research company Pathway has secured additional funding at a $500 million valuation, bringing its total seed financing to $30 million as it prepares to scale a new generation of models built around its post-Transformer architecture. The financing includes participation from Id4 Ventures, TQ Ventures, Red Bridge Ventures, Kadmos Capital, and WS Investment Co., the investment arm of Wilson Sonsini, alongside Databricks Chief AI Scientist Jonathan Frankle. Pathway said much of the new capital…