Directory
Curated and current: the tools worth knowing, and material that goes deeper than the book.
OpenAI's general-purpose chat assistant for writing, coding, research and image generation, with a free tier and paid Plus/Pro tiers. The most widely used consumer AI assistant and a reasonable default choice for beginners.
DetailsAnthropic's chat assistant, known for careful writing, long-document handling and coding via the separate Claude Code tool. Free with usage limits, plus paid Pro/Max plans.
DetailsGoogle's chat assistant, deeply integrated into Search, Workspace (Docs, Gmail) and Android. Free tier plus paid Google AI subscriptions for higher limits and more capable models.
DetailsChat assistant from the French AI lab Mistral, built on Mistral's own open and proprietary models. Free tier, paid Pro/Team plans, notable as a European alternative with EU-based data handling.
DetailsAI answer engine that searches the web and cites sources for each claim, positioned as a research tool rather than a general chatbot. Free tier plus a paid Pro tier with more searches and file uploads.
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