Polish AI start-up Pathway builds model 11x cheaper than GPT, valued at $500m

Polish AI company Pathway, founded by Zuzanna Stamirowska, has developed a model that matches the performance of GPT 5.6 Luna at more than 11 times lower cost. The start-up is already valued at $500 million. The breakthrough could reshape the economics of the AI industry and make advanced models far more accessible.