Paid tool

Dex by Thirdlayer

An AI-powered browser workspace that organizes tabs and automates tasks across apps.

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Intro

What is Dex by Thirdlayer?

Dex by ThirdLayer is an innovative, AI-powered browser extension that transforms your Google Chrome browser into an intelligent, single AI workspace. Functioning as your digital mind or a 'second brain', dex ai works seamlessly across all your open tabs and applications to eliminate context switching, handle tedious tasks, and proactively organize your workflows. By utilizing advanced contextual memory, dex thirdlayer learns from your interactions and preferences to manage emails, prepare meeting briefs, and execute background tasks before you even ask, acting as a complete AI command center for your digital life.

Dex by Thirdlayer at a glance
Free, Pro plans available17K monthly visitsPaid access
Pricing

Dex by Thirdlayer Pricing Plans

Compare Dex by Thirdlayer free options, Dex by Thirdlayer paid pricing plans, and usage notes before you choose the best way to use this AI tool in 2026.

Free, Pro plans available

Free

Basic plan to get started with core browser AI features

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Advanced features and higher usage limits for power users

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Designed for professional teams requiring advanced workspace collaboration

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Custom scale solutions with premium security and maximum usage

Pricing updated:Jun 12, 2026

Features

Dex by Thirdlayer AI Features

Cross-tab task execution and app integration (14+ apps supported)Contextual, learning memory that remembers user preferencesAutomated meeting scheduling without back-and-forth communicationOne-click data scraping and lead list building (e.g., LinkedIn to Google Sheets)Mass personalized email communication via GmailCross-tab meeting preparation and automatic briefing generationPrivate by design with granular user data controls
Pros & Cons

Dex by Thirdlayer Pros and Cons

Pros

  • Seamlessly integrates with existing browser workflows without needing a standalone app
  • Reduces cognitive load and context switching across multiple tabs
  • Strong commitment to privacy, allowing users to disconnect or delete data anytime
  • Proactively predicts and surfaces what the user needs next

Limitations

  • Exclusively available as a Chrome extension, limiting users on non-Chrome browsers
  • Advanced features and higher usage limits require moving past the free tier

Dex by Thirdlayer FAQ

Unlike standalone applications, dex by thirdlayer is purpose-built directly for your browser as a Chrome extension, allowing it to seamlessly integrate into your current workflows across all your active tabs.