Starlight and atmosphere are cheap for direct lighting but expensive for GI.
While Clarisse moves toward 6.0, the model remains the gold standard for unbiased, spectral sky simulation. It does not rely on static HDRIs that lock you into one lighting angle. It gives you the dynamic, parameteric control of the entire atmosphere. Physical Starlight And Atmosphere 1.4.1 with Cl...
Unlike many complex volumetric systems, PSA works seamlessly in both Eevee and Cycles . In Eevee, it provides nearly instant feedback, making it ideal for rapid look development. Starlight and atmosphere are cheap for direct lighting