AI writing tools cover everything from grammar checkers that work in your browser to full content platforms that produce SEO-ready blog posts from a brief. The right tool depends on what you're writing: a quick email correction needs something different from a weekly blog workflow. We've reviewed and ranked the best options across use cases — from students writing essays to marketers producing content at scale.
OpenAI
ChatGPT by OpenAI is a conversational AI that can help with writing, coding, analysis, math, research, and creative projects. With over 200 million weekly active users, it remains the most widely used AI tool in the world.
Starting at: Free
Anthropic
Claude by Anthropic is a highly capable AI assistant known for its nuanced writing, long context window, and safety-focused design. It excels at analysing lengthy documents and producing thoughtful, well-structured text.
Starting at: Free
Jasper AI, Inc.
Jasper is a professional AI writing platform built for marketing teams. It produces on-brand content at scale — blog posts, social media, emails, and ad copy — with brand voice training.
Starting at: $49/month
Copy.ai
Copy.ai is an AI writing platform that has evolved from a simple copy generator to a full AI workflow automation tool for marketing and sales teams.
Starting at: Free
Grammarly, Inc.
Grammarly is the most widely used AI writing assistant, helping over 30 million people daily with grammar, spelling, punctuation, style, and tone across all their writing apps.
Starting at: Free
Notion Labs
Notion AI brings generative AI directly into the Notion workspace — summarise notes, generate action items, write drafts, and ask questions about your documents without leaving the app.
Starting at: Free (Notion) + $10/month (AI)
Surfer
Surfer SEO analyses the top-ranking pages for any keyword and tells you exactly how to optimise your content to rank — word count, headings, NLP terms, and internal links.
Starting at: $89/month
Writesonic, Inc.
Writesonic is an AI content platform that produces SEO-optimised blog articles, ads, landing pages, and social media content. It includes Chatsonic, a real-time web-connected AI chatbot.
Starting at: Free
Not all AI writing tools are the same. Here's how to choose between Grammarly, Jasper, ChatGPT, and the rest — based on what you're actually trying to write.
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