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CATEGORY 02 · 12 TOOLS

AI assistant

General-purpose assistants you chat with to write, research, plan and get everyday work done.

ESSENTIAL IN AI ASSISTANT

  1. ChatGPT (OpenAI)

    OpenAI's AI assistant for work and personal use, now including Codex.

    FREE TIER

  2. Claude & Claude Code (Anthropic)

    Anthropic's assistant Claude and its agentic coding tool Claude Code.

    PAID

  3. Google Gemini (app)

    Google's AI assistant app (Gemini), with Nano Banana image tools and more.

    FREE TIER

All 12 AI assistant tools

  1. ChatGPT (OpenAI)

    OpenAI's AI assistant for work and personal use, now including Codex.

    EssentialFree tier

  2. Claude & Claude Code (Anthropic)

    Anthropic's assistant Claude and its agentic coding tool Claude Code.

    EssentialPaid

  3. Google Gemini (app)

    Google's AI assistant app (Gemini), with Nano Banana image tools and more.

    EssentialFree tier

  4. Grok / SpaceXAI (formerly xAI)

    SpaceX's AI arm (xAI merged into SpaceX Feb 2026): Grok assistant, Grok Build, Grok Bot and Grok API.

    EssentialFree tier

  5. Microsoft Copilot

    Microsoft's AI assistant across Word, Excel, PowerPoint, Outlook and Teams via Microsoft 365.

    EssentialPaid

  6. Inbox Zero

    Open-source AI email assistant that now has its own email client, Inbox Zero Mail: one keyboard-first inbox for several Gmail and Outlook accounts,…

    Worth a lookFree tier

  7. Osaurus

    Free, open-source (MIT) Mac app for running AI models and agents on your own computer.

    Worth a lookFree tier

  8. Perplexity Comet

    Perplexity's free AI web browser with a built-in assistant that can answer questions about pages and take actions in the browser, such as filling in…

    Worth a lookFree tier

  9. Poke

    Personal AI assistant you text: it lives in Apple Messages, Telegram, WhatsApp and RCS, connects to email, calendar and other services, remembers…

    Worth a lookFree tier

  10. Sentient OS

    Open-source (AGPL-3.0), on-device personal AI for Apple-silicon Macs (YC F26).

    Worth a lookFree tier

  11. Town

    Multiplayer AI work assistant: each person gets a 'Townie' that connects to their email, calendar, docs and work tools, learns their contacts,…

    Worth a lookFree tier

  12. Robyn

    Invite-only personal agent platform (Robyn AI, Inc.).

    NicheFree tier