AIxBlock is an enterprise training data partner specializing in speech and large language model datasets. The company provides end-to-end training data services including speech collection, ****, dialogue annotation, RLHF-style feedback, and off-the-shelf call center audio datasets across 100+ languages. AIxBlock supports data-sensitive and regulated organizations through a self-hosted delivery model that ensures data sovereignty, prevents reuse of proprietary data, and embeds quality control systems across the full data lifecycle.