ETS created the e-rater platform to seamlessly integrate into existing online courses and assessment programs. The capability can integrate seamlessly with your existing programs and platforms, with a customizable API. The interface includes a wide range of writing prompts, custom scoring models and scales and other white label features. Built on 20 years of natural language processing research at ETS, the e-rater engine is continually evolving to reflect advances in AI research and NLP development. The holistic score is designed to correspond with a human score. e-rater evaluates a student’s essay within seconds from any computer with an internet connection.