Smodin is a multi-tool AI writing platform operated by Smodin LLC that combines text rewriting, content generation, and content verification in one service. Its rewriter and AI paraphrasing tool generate alternative phrasings of existing text, while companion tools include an AI content detector that the company claims reaches 99.8% accuracy, an AI humanizer that converts machine-written text into natural-sounding prose, an AI detection remover, a plagiarism checker that scans against billions of sources, an AI writer and chat for brainstorming and drafting, a text summarizer, a language translator, and an AI mock interview tool for career preparation.
The platform states that it uses proprietary AI models and analyzes writing patterns from systems including ChatGPT, GPT, Claude, and Gemini for its detection features. Smodin supports more than 100 languages, with dedicated localized versions for languages such as Arabic, French, German, Italian, Portuguese, Spanish, and Turkish, making it popular among multilingual students and writers.
Smodin is available as a web application with a Chrome extension, and it publishes API documentation for developers who want to integrate its text processing features. The company reports more than 1 million users and a 4.8/5 average rating, and says its tools are used at universities including Oxford, Harvard, Cambridge, Yale, and Princeton.
The free tier provides limited daily usage of the tools. Paid subscriptions come in Starter and Premium tiers with monthly or annual billing (annual billing saves 20%); the Premium tier adds premium AI models, unlimited writing output, extended chat memory, and the Chrome extension.