open-compass/opencompass

OpenCompass has established itself as a leading infrastructure-grade project for LLM benchmarking, particularly dominant in the Asian research ecosystem but globally relevant. Its defensibility stems from 'data gravity'—the sheer volume of curated datasets and the standardization of evaluation protocols that make it a go-to for model developers to report comparable results. While frontier labs maintain internal evaluation suites, the need for a vendor-neutral, 3rd-party benchmarking framework ensures its survival.