Robin Rombach and key researchers behind the Stable Diffusion text-to-image generation model have left AI startup Stability AI, marking a significant setback for the company. Their departure follows a series of resignations from high-profile technical executives, indicating deeper instability within the organization. The groundbreaking research pioneered by these researchers has been pivotal in Stability AI's success, but the company now faces a cash crunch and struggles to raise additional funds. This exodus of key talent comes amid ongoing challenges, including legal battles and revenue shortfalls. The departure of these key figures underscores the broader struggles faced by Stability AI, casting doubts on its future prospects in the competitive AI landscape.