FTC

ChatGPT Atlas vs Sidekick Browser

Updated Mar 17, 2026

Efficient at Embedded AI, User Experience, Tab Management, Performance Efficiency, and Data Protection

vs
ChatGPT Atlas
Sidekick Browser
Comparison
ChatGPT Atlas
ChatGPT Atlas
Sidekick Browser
Sidekick Browser

Comparison Summary

Comparison Summary

ChatGPT Atlas brings your past conversations and personal context into browsing, making it much faster to work with AI than Sidekick.

Only use Sidekick if you have a very specific reason, since ChatGPT Atlas is required at some companies and feels like a big upgrade.

  1. ChatGPT Atlas
    ChatGPT Atlas

    Best AI Browser for ChatGPT users

    Best AI Browser for ChatGPT users
  2. Sidekick Browser
    Sidekick Browser

    Acquired and shut down by Perplexity

    Acquired and shut down by Perplexity

Editor's Verdict

Editor's Verdict

ChatGPT Atlas blows Sidekick out of the water for anyone who cares about integrated AI chat and workflow speed. Atlas brings your full ChatGPT history and context right into the browser, so you get instant, personalized help on whatever you're doing. The side chat works everywhere, and you can even have the AI agent handle web navigation and inline edits for you. This setup actually made work move faster for the whole team, with everyone required to use it because of the clear productivity boost.

Sidekick, on the other hand, just doesn't keep up. Its so-called productivity features are now standard elsewhere, and its design feels dated compared to modern browsers. There's no mention of deep AI integration or any unique workflow gains, and it's not even supported anymore since it was acquired and shut down.

If you want real efficiency and AI support baked into your daily browsing, go with ChatGPT Atlas. Sidekick is simply not worth considering on this front.

Comparison Video and Summaries

Comparison Video and Summaries

Browser Alternatives

Browser Alternatives