Grok
xAI
xAI's assistant, with a public product at grok.com.
Editorial category
Assistants and editors for drafting, rewriting, and polishing text. Ranked for the quality of the writing workflow, not for image or SEO features that happen to sit in the same login.
Editorial Rank weights long-form control and editing more heavily than template count. A marketing suite can still appear here if teams use it as a writing system.
Editorial rank. This vendor also has a paid placement elsewhere on the site.
Listed, not given an editorial rank.
xAI
xAI's assistant, with a public product at grok.com.
Notion
A workspace for docs and projects, with Notion AI built in.
Perplexity AI
An answer engine that cites the web pages it used.
Longer buying guide: Best AI writing tools