Notion AI is available to all users, allowing AI prompts through the space bar, highlighting text, or slash commands, with a focus on integrating AI into the user's existing work environment and offering a flexible drag-and-drop text editor
Freemium 
Rank: #1 
Visits: 148.5M 
Slack has introduced native generative AI to centralize all company knowledge, making it easier to put data to work, while ensuring 100% data privacy by design and trust as the No. 1 principle when building out all AI features in Slack.
Freemium Rank: #2 Visits: 112.7M 
HubSpot's Campaign Assistant is a free AI-powered tool that allows businesses to create landing page copy, marketing email copy, and ad copy for their marketing campaigns, and it intuitively understands the keywords and descriptions provided to create content that aligns with the audience's preferences and needs in just a few seconds.
Ask Rank: #3 Visits: 41.6M 
Grammarly is an AI-powered writing assistant that helps users improve their writing by providing suggestions for grammar, spelling, and punctuation errors, as well as offering comprehensive suggestions for style and tone
Freemium Rank: #4 Visits: 38.6M 
Klaviyo's SMS Assistant is an AI-powered tool that automates copywriting for text campaigns, allowing marketers to generate examples of compliant SMS copy in seconds by entering a few descriptions about their SMS campaign.
Paid Rank: #5 Visits: 5.9M 
Picsart's AI Writer is a free and easy-to-use tool that generates text for social media, websites, documents, ads, and other online activities, including articles, captions, bios, stories, titles, ideas, grammar checks, video scripts, and email prompts.
Ask Rank: #6 Visits: 4.9M 
Writer.com is a platform that uses generative AI technology to boost productivity, detect and avoid plagiarism, and help users communicate clearly and effectively through plain language guidelines
Freemium Rank: #7 Visits: 2.8M 
PDF.ai is a platform that allows users to interact with their PDF documents using a chat interface.
Freemium Rank: #9 Visits: 1.3M 
ContentDetector.AI is an AI detection tool that can be used to check for instances of AI-generated content in a single sentence, a single URL, or a whole website, and it presents the AI detection results in a clear and visually appealing percentage form without any character limit restrictions.
Free Rank: #8 Visits: 1M