Wordtune

Wordtune: AI Writing & Rewriting Assistant

Wordtune is AI writing assistant focused on rewriting and stylistic control rather than generation from scratch. Wordtune was the first major AI writing assistant focused on rewriting rather than from-scratch generation, and it has held that positioning while ChatGPT and Notion AI moved into adjacent territory. The Spices feature (generating evidence, statistics, analogies) is a unique differentiator. Backing by AI21 Labs gives Wordtune access to proprietary foundation models rather than relying entirely on OpenAI.

Key Features

• AI writing assistant focused on rewriting and stylistic control rather than generation from scratch
• Rewrite sentences in casual, formal, shorter, or longer styles
• Wordtune Read — AI summarization for long documents and academic papers
• Wordtune Spices — generate evidence, statistics, analogies, and counterarguments inside prose
• Built by AI21 Labs, the Israeli foundation-model company behind Jurassic and Jamba models
• Browser extension plus dedicated editor; integrates with Google Docs, Gmail, LinkedIn, Slack
• Approximately 10M+ users; one of the longest-running AI writing tools in the market

Ideal Use Case

Knowledge workers, students, ESL writers, and professionals who already have a draft and want help making it clearer, shorter, or more polished — rather than generating content from scratch. Particularly strong fit for non-native English writers and academic writers.

Why Use Wordtune

Wordtune was the first major AI writing assistant focused on rewriting rather than from-scratch generation, and it has held that positioning while ChatGPT and Notion AI moved into adjacent territory. The Spices feature (generating evidence, statistics, analogies) is a unique differentiator. Backing by AI21 Labs gives Wordtune access to proprietary foundation models rather than relying entirely on OpenAI.

FAQ

Q: Is Wordtune free? A: Yes — Wordtune has a free tier with daily rewrites and reads. Premium plans unlock unlimited usage and the full Spices and tone-control feature set.

Q: Who makes Wordtune? A: Wordtune is built by AI21 Labs, the Israeli foundation-model company also known for the Jurassic and Jamba LLMs.

Q: How is Wordtune different from Grammarly? A: Grammarly focuses on grammar correction and tone suggestions. Wordtune focuses on full-sentence rewriting and stylistic transformations — making text shorter, longer, more casual, more formal — plus Spices for adding evidence and analogies.

Q: Does Wordtune work in Google Docs? A: Yes — Wordtune has a browser extension that integrates with Google Docs, Gmail, LinkedIn, Slack, and most web editors.

Q: Wordtune vs ChatGPT for writing? A: ChatGPT is a general-purpose chatbot. Wordtune is purpose-built for editing existing prose and offers controlled rewriting modes rather than open-ended chat.

tl;dr

Wordtune is the AI writing assistant from AI21 Labs focused on rewriting rather than from-scratch generation — shorten, expand, formal/casual rewrites plus Spices for evidence and analogies. 10M+ users; browser extension; works in Google Docs, Gmail, and most web editors.

Related

Looking for more options? Browse the AI Content Writing directory or read our best AI writing tools listicle. Wordtune is also tracked on Crunchbase.