Neither NLP-API nor yellow.ai offers a free trial.
NLP-API is designed for Large Enterprises, Medium Business and Small Business.
yellow.ai is designed for Large Enterprises, Medium Business and Small Business.
The starting price of NLP-API begins at $16/Month when Billed Yearly, while pricing details for yellow.ai are unavailable.
Some top alternatives to NLP-API includes Rakebots, Amazon Comprehend, XEditPro, IBM Watson Assistant, JAICP, yellow.ai, Deepset, Spark NLP, Forefront and SyTrue.
Some top alternatives to yellow.ai includes Octane AI, Haptik, Kore.ai, Rakebots, KLoBot, ChatBot, Yellow Messenger Platform, Botbot.AI and Dialogbot.AI.