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webAI is a native macOS app, installing it takes only a couple of minutes. Check that your Mac meets the requirements below, then follow the three steps.
The desktop app requires macOS Tahoe (26) or later on an Apple Silicon Mac. It runs natively on Apple Silicon, which enables on-device AI when you use a downloaded model.

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Requirements

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Device tier

webAI reads your Mac’s installed memory and assigns a Device tier. That tier sets which features start on, which local model fits, and how large a context window Chat can use. Open Settings → System to see yours as Device tier.
  • Tier 1 starts Chat at a 10K context and can grow to 32K. Knowledge-base retrieval starts off so those models do not load into memory.
  • Tier 2 and Tier 3 start at a 32K context and can grow to 128K.
  • Tier 4 starts at a 128K context.
Lower tiers start with fewer features turned on so the app fits in memory. See Device tier in Settings for more detail.

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Install in three steps

1

Open the installer

Open the DMG file, then drag and drop the webAI app into your Applications folder.
2

Launch the app

Open your Applications folder and open webAI.
3

Sign in and finish onboarding

Sign in with your credentials and complete the short onboarding (a few steps to set up your profile). Then you’re ready to go.
You’re all set. Head to the Quickstart to ask your first question.

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Common questions

More answers are in the FAQ.