Paraphraser.io vs Rewriter AI

Paraphraser.io rephrases sentences and articles while aiming to keep their meaning. It offers more than ten modes, including Word Changer, Fluency, Formal, Creative, Humanize, Academic, and Expand. Users can select suggested synonyms and mark specific words or terminology to remain unchanged. The service also describes extracting text from recordings and images, rewriting extracted text, and paraphrasing speech in real time. The homepage lists support for more than 20 languages, while API documentation lists 13+ languages for API use. Several modes are free; the pricing explanation gives a 600-word limit, and says upgrading to Pro can increase the limit to 1500. Apps and API options span Android, iOS, and web. The full-article API endpoint accepts up to 5000 characters per content check. The maker identifies students, freelancers, academic writers, and SEO content creators as intended users. Paid plans include Silver at $4.55 a month, with validity of 7 days; Gold at $9.55 a month, with validity of 30 days; and Diamond at $0.99 a year, billed annually at $47.52 and displayed as $0.99 per week.

Rewriter AI combines a paraphraser, grammar checker and summarizer for written content. The paraphraser is described for emails, essays and social media posts; the grammar checker reviews English writing for grammar, spelling and punctuation; and the summarizer condenses articles, papers or documents to key points while retaining context. The site says the service supports over a hundred languages and allows 250 words to be rewritten for free. Free users can add up to two protected words and generate at most three articles; article generation is described as a trial feature on the free plan. Starter costs $6.40 a month, billed annually, and includes 50,000 words per month, web access and API access. Business costs $16.40 a month, billed annually, and includes 3,500,000 words per month, of which 700,000 are non-English, plus desktop and web versions, keyword analysis and API access. Paid Starter and Business plans include 50 image generations per month. The API uses HTTP GET and POST requests, returns JSON and supports browser CORS. The listed platforms include API, Linux, macOS, web and Windows.