Yaara.ai is a paraphrasing tool that uses advanced technology to generate natural and fluent paraphrases. It offers 49 different modes that can be adjusted to fit the writer's style and tone. The tool is powered by GPT-3, a language model that understands the context and meaning of the text. Mood and emotion categories are available to enhance the impact of the writing. Additionally, it offers wider range of tone and style options compared to other similar tools.