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Writing is one of the faster-moving corners of the AI tool market, with 13 tools currently tracked in this catalog. Rather than one dominant product, the space is split between a handful of well-funded leaders and a long tail of focused, single-purpose tools.
Most writing tools compete on three things: how much setup they require before they're useful, how well they fit into tools you already use, and how transparent their pricing is once you outgrow the free tier. A quick trial against a real task from your own workflow tells you more than any feature comparison chart.
Writing tools curated for practical business use cases.
Grammarly
Grammarly Inc / Grammar and Writing Assistant
AI writing assistant that checks grammar, style, tone, and clarity across browsers, desktop apps, and mobile devices.
Copy.ai
Copy.ai / AI Copywriting Tool
AI copywriting tool designed for marketers producing ad copy, social posts, email hooks, and campaign content quickly from templates.
DeepL
DeepL SE / AI Translation
Neural machine translation service consistently rated best-in-class for accuracy, particularly for European language pairs.
Writesonic
Writesonic / AI Content Platform
AI writing platform covering long-form content, SEO articles, ad copy, and an AI chatbot through a single subscription.
Wordtune
AI21 Labs / AI Writing Enhancement
AI writing tool from AI21 Labs that rewrites, shortens, and expands sentences with multiple tone and style options directly in the browser.
Writer
Writer / Enterprise AI Platform
Enterprise AI writing platform with company-specific AI training, brand voice consistency, and security features for professional content teams.
QuillBot
QuillBot Inc (Course Hero) / AI Paraphrasing Tool
AI paraphrasing and writing enhancement tool with seven writing modes, grammar checking, plagiarism detection, and summarisation capabilities.
Rytr
Rytr / AI Writing Assistant
Affordable AI writing assistant with 40+ use cases and tones, popular among budget-conscious marketers and small business owners for short-form content.
Anyword
Anyword / AI Copywriting with Performance Prediction
AI copywriting platform that generates marketing copy with predictive performance scores showing estimated engagement before publishing.
Beehiiv AI
Beehiiv / AI Newsletter Platform
Newsletter platform with AI writing assistance, audience growth tools, and monetisation built in, used by many of the fastest-growing independent newsletters.
ContentAtScale
ContentAtScale / AI Content and Detection
AI blog post writing platform that generates long-form SEO content while including a best-in-class AI content detector to verify content appears human-written.
TextCortex AI
TextCortex AI / AI Writing Assistant
AI writing assistant available as browser extension, web app, and desktop app with customisable AI personas, 25+ writing tools, and over 25 language support.
Typeface AI
Typeface / Enterprise Brand Content AI
Enterprise AI content platform that generates brand-consistent marketing content across channels, trained on a company's own brand guidelines and creative assets.
Two of the top Writing tools, compared side by side.
Grammarly
Grammarly Inc
Copy.ai
Copy.ai
Free with basic checks. Pro $12/month billed annually ($30/month billed monthly). Business $15/member/month with team features and style guides.
Free plan with 2,000 words/month. Starter $36/month billed annually ($49/month billed monthly) for unlimited words. Teams at custom pricing.
Business plan includes SSO and admin controls. Enterprise with data handling agreements.
Enterprise plans include SSO and data security features.
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Buying Guide
