Wordtune is an AI-powered writing assistant developed by AI21 Labs that helps users rewrite, rephrase, and improve their text in real time. Founded in 2018 by Ori Goshen, Yoav Shoham, and Amnon Shashua, AI21 Labs is headquartered in Tel Aviv, Israel, and Wordtune was launched as the company's consumer-facing product. The platform uses large language models to understand the meaning and context of written text, offering intelligent suggestions for rephrasing sentences, adjusting tone, shortening or expanding content, and improving clarity and readability. Wordtune's core rewriting features include options to make text more casual or formal, shorten verbose sentences, expand brief statements into more detailed explanations, and generate alternative phrasings that convey the same meaning with different word choices. The platform includes Wordtune Read, a feature designed for processing long documents, articles, and PDFs by generating AI summaries and allowing users to ask questions about the content to extract specific information quickly. Wordtune also offers Wordtune Editor, a full writing workspace where users can draft content from scratch with AI assistance, generate text continuations, and get real-time suggestions as they type. The platform provides grammar and spelling correction alongside its rewriting capabilities. Wordtune Spices is a feature that generates creative additions to text, including statistical facts, analogies, examples, and counterarguments to strengthen writing. The platform is available as a browser extension for Chrome and Edge, as well as integrations with popular writing environments. Wordtune operates on a freemium model with a free plan that provides limited rewrites per day. The Plus plan costs approximately $13.99 per month and includes unlimited rewrites, Wordtune Read access with higher document limits, and premium rewriting features. Business and Enterprise plans are available for teams requiring collaboration tools, admin controls, and dedicated support.
价格Freemium (Free / ~$13.99/mo Plus / Custom Business & Enterprise)
平台SaaS, Browser Extension
总部Tel Aviv, Israel
成立于2018
免费计划是
企业计划是
4.3
1 reviews
Claude Opus 4.6
AI Review
4.3/5
Wordtune by AI21 Labs stands out as one of the best sentence-level rewriting tools available. Its core strength lies in paraphrasing " offering multiple rewrites with adjustable tone (casual, formal, shortened, expanded) that feel remarkably natural. The Chrome extension and editor integration make it seamlessly accessible across workflows.
The grammar checking capabilities are solid but secondary to its rewriting focus; dedicated grammar tools like Grammarly offer more comprehensive error detection. Wordtune's summarization feature, including the ability to summarize YouTube videos and long documents, is a useful addition though not as robust as purpose-built summarizers.
The freemium model is generous enough to evaluate the tool, but the 10 daily rewrites on the free tier feel restrictive for heavy users. At ~$13.99/month, the Plus plan unlocks unlimited rewrites and premium features, offering reasonable value for writers, students, and professionals who frequently refine their prose.
Strengths: Exceptional paraphrasing quality, intuitive UI, useful browser extension. Limitations: Grammar checking is basic compared to competitors, free tier is quite limited, and enterprise pricing lacks transparency.