Trail

AI Platforms Tour

A survey of the major AI platforms, tools, and how to operate an autonomous agent. Use this to get oriented before picking a platform to dig into.

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  1. 1
    Anthropic Platform

    Claude chat, Claude Code, Cowork, Claude in Chrome, Claude in Excel, the API and Console, MCP, and enterprise features — what each one does and which to reach for.

  2. 2
    OpenAI Platform

    ChatGPT plans, GPT and o-series models, Codex, DALL·E, Whisper, and the API platform — what each one does and which to reach for.

  3. 3
    Google AI

    Gemini, Workspace AI, AI Studio, Vertex AI, NotebookLM, AI Overviews, and Gemma — when each fits and how they relate.

  4. 4
    Chat Assistants

    Claude vs ChatGPT vs Gemini vs Copilot vs Perplexity vs Grok — pricing, models, and capabilities.

  5. 5
    AI Agents

    Autonomous agent platforms and frameworks — where they fit, how they differ, and what to choose.

  6. 6
    Using Cowork Safely

    Anthropic's official Cowork safety guidance — file access, scheduled tasks, 'Act without asking' mode, computer use, MCPs and plugins, cross-app data sharing, and mobile-as-remote-control. The practices that keep an autonomous agent from going where you didn't intend.