Jasper

Copy.ai has evolved from a copywriting tool into a go-to-market AI platform that automates sales and marketing workflows. It chains prompts and data sources into repeatable workflows for outbound, content and research. Teams use it to operationalise AI across their revenue functions, not just to draft individual pieces.

Writesonic is an SEO-focused content platform combining an AI article writer, fact-checking and its Chatsonic assistant with live web data. It targets bloggers and marketers who need search-optimised long-form content quickly. Built-in SEO tooling and keyword integration set it apart from generic writing aids.

Notion AI embeds writing, summarising and Q&A directly inside the Notion workspace millions already use for notes, docs and wikis. It can draft content, summarise pages, extract action items and answer questions across your connected knowledge. The value lies in AI that understands the context of your existing workspace.

Wordtune, from AI21 Labs, focuses on rewriting and refining your own sentences rather than generating content from scratch. It offers rephrasing, tone shifts, shortening, expanding and summarisation in a lightweight browser extension. It suits writers who want to keep their voice while polishing clarity and flow.