Everything on Benchmark Evolution

SWE-bench Pro addresses saturation by introducing larger, more complex tasks with diverse languages and repositories. It also exhibits lower contamination rates, making it a more reliable indicator of true coding progress.

Impact: Adopting SWE-bench Pro provides a clearer signal of model differentiation, enabling better selection of AI tools for complex engineering challenges.

— from SWE-bench Saturation and the Shift to Pro · Latent Space: The AI Engineer Podcast· Feb 23, 2026