Compare ChatGPT Atlas browser to Sleipnir browser

ChatGPT Atlas Sleipnir
Development Status Active Unknown
Operating Systems macOS, Windows
Android, iOS, macOS, Windows
Year Started 2025 2004
Last updated 2025
Manufacturer ChatGPT Unknown
Rendering Engine Chromium Chromium
AdBlock Native Unknown Unknown
"AI" Features? Yes Unknown
Extensions support Unknown Yes
Paid Yes
Built-in VPN?
License Currently unknown Currently unknown
Wikipedia Page No No
Device Platforms Desktop Desktop, Mobile
Public Source Code? No No
Website chatgpt.com/atlas/ www.fenrir-inc.com/jp/sleipnir/