Some of the key features of WordAi include:

Article creation: WordAi can create unique, high-quality articles from scratch using advanced algorithms that understand the nuances of language and context.

Article rewriting: WordAi can rewrite existing articles to create unique versions of the same content. This is useful for generating multiple versions of a piece of content for use on different websites or platforms.

Sentence rewriting: WordAi can rewrite individual sentences within an article to make them unique while maintaining the overall meaning of the content.

Spintax generation: WordAi can generate spintax, which is a syntax format used in article spinning, allowing users to quickly generate multiple unique versions of an article.

Customization: WordAi offers a range of customization options, including the ability to specify synonyms, exclude certain words or phrases, and set word limits for generated content.

Some of the alternatives to WordAi include Spin Rewriter, Chimp Rewriter, and SpinnerChief. These tools also use AI and NLP algorithms to create unique content, but may offer different features and pricing models. For example, some may focus more on spinning existing content, while others may offer more advanced customization options or integrations with other tools and platforms.