ChatGPT
ChatGPT is OpenAI's conversational AI service for writing, learning, research, coding and working with files, images and voice. It is available through web, desktop and mobile experiences.
Claude
Claude is Anthropic's AI assistant for writing, research, coding and producing documents. It works on web, desktop and mobile, with connected-app and developer workflows.
Craft
Craft is a workspace for notes, documents and tasks that emphasizes readable, well-designed pages. It suits personal writing, project plans and shared knowledge.
Bear
Bear is a Markdown writing and note-taking app for Mac, iPhone and iPad, designed for everyday notes, longer drafts and personal knowledge.
Essayist
Essayist is an academic writing app that combines a focused word processor with reference management and automatic document formatting. It is intended for students, researchers and professionals who want to spend less time adjusting citations and page layouts.
Feldar
Feldar is an AI-assisted writing workspace that keeps drafts, notes, research and story material together, aimed at sustained writing rather than isolated text-generation prompts.
Gemini
Gemini is Google's AI assistant for writing, learning, research, coding and creative work. The app provides conversational access to Google's models, while paid Google AI plans add capacity and benefits across other Google services.
Grok
Grok is an AI assistant for research, writing, coding and creative work, with access through the web, mobile apps and X. Its connection to live web and X content is useful for exploring developing topics, although citations and generated answers still require checking.
iA Writer
iA Writer is a deliberately minimal writing app built around plain text and Markdown. It is designed for drafting, editing and thinking with fewer formatting controls competing for attention, rather than acting as a full desktop-publishing suite.
Kimi
Kimi is Moonshot AI's assistant for research, coding and knowledge work. It combines conversational AI with agents that produce documents, presentations, spreadsheets and websites.
Writer
Writer.so is a proposed AI writing workspace combining research, drafting, editing and document organization. Its public website currently invites visitors to a waitlist, so the advertised workflow should be understood as the product's intended experience rather than confirmed general availability. This is Writer.so, not the separate enterprise platform at Writer.com.



