AI Essay Checker vs Sudowrite

AI Essay Checker (EssayCheck) is an online writing tool that scans essays for AI-generated text, grammar errors, and plagiarism in one editor. Paste or type your essay, then run AI detection, grammar checking, or plagiarism scanning separately or together. The AI detector estimates how much of your text may have been written by tools like ChatGPT, Gemini, Claude, or Copilot.

The grammar checker flags spelling mistakes and grammatical issues with real-time suggestions. The plagiarism scanner identifies duplicated or AI-copied content so you can edit before submitting. EssayCheck also includes an Essay Grader for automated scoring and feedback.

The platform supports English plus French, German, Spanish, Italian, Portuguese, Dutch, and Russian. Free accounts include monthly word limits on AI detection and plagiarism checks, with paid Basic and Pro plans for higher volumes.

Sudowrite is an AI writing partner designed especially for novelists and creative writers. It helps you write faster and overcome writer's block by suggesting the next 300 words in your voice, expanding scenes, and providing vivid descriptions that bring your story to life. The tool guides you from idea to outline to full draft with features like Story Bible, Brainstorm, and Canvas, which help organize plot points, character arcs, and themes.

Sudowrite also offers revision assistance with Rewrite and actionable Feedback to improve your drafts. It supports over 30 languages and lets you visualize characters and worlds with AI-generated art. Created by writers for writers, Sudowrite aims to make storytelling more enjoyable and productive.