GhostWryter

Barely AI enhances reading and writing by providing users with access to OpenAI text tools through a single command. This tool can generate counterarguments, summaries, and headlines. Additionally, it offers users instant summaries of any webpage they are viewing. The pricing is $20 monthly or $200 annually, though this information is not publicly available on their website. Users receive a limited number of free credits daily to summarize one or two lengthy articles.

Sudowrite is an AI writing assistant designed to help authors conquer writer's block and receive feedback on their writing. It offers editing recommendations and "Show, not tell" features to enhance writing quality.

Papira is a writing assistant powered by AI, designed to help users automate and customize their writing process through adjustable AI commands. It allows users to create, edit, and manage documents using Markdown formatting while applying specific AI commands for text modification, grammar correction, and summary creation. The platform offers the option to design bespoke commands or utilize a collection of shared templates, making it versatile for a range of writing tasks. Papira incorporates top language models like Anthropic, OpenAI, and Perplexity, providing flexibility for different writing styles and requirements. Both free and pro plans are available, offering enhanced features for more advanced users.