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What is Cortex

An AI for chatting, coding, and teamwork, with the same account on your phone, computer, and the web.

Available on: Android, iPhone, iPad, Windows, macOS, Linux, and WebUpdated in version 6.75.313

Cortex brings everything you usually do with AI into a single app: chatting, writing, coding, creating images and videos, serving customers, and sharing work with other people. You sign in with one account and find the same chats on every device.

Cortex on a computer with an AI chat shared by the team
Cortex on a computer: chats on the left, the open chat in the center

What you can do

  • Chat and write with Ecila, the Cortex chat assistant, already included in your plan. See Chat and models.
  • Code with Airam in Code mode: she reads the project, runs commands, edits files, and shows what changed. See Cortex Code.
  • Use the AIs you already subscribe to, like Claude, ChatGPT/Codex, and Gemini, inside Cortex. See Your subscriptions and keys.
  • Create images and videos just by asking in the chat. See Images and video.
  • Work as a team in the same AI chat, with a request queue, channels, and tasks. See Team.
  • Handle WhatsApp Business in a single inbox, with an AI Attendant that answers for your business. See Messages.
  • Run AI on your computer, offline, and even use it from your phone. See Local AI and My PC's AI.
  • Connect Cortex to your tools: Google Workspace, GitHub, Notion, MCP servers, and more. See Customize.

One account, every screen

Cortex has apps for Android, iPhone and iPad, Windows, macOS, and Linux, plus Cortex Web, which opens in your browser with nothing to install. With an account, your chats, Library, and memories follow you from one device to another. Some features depend on a computer, like Local AI and subscriptions to other AIs; each guide says where the feature works.

Names you'll see

NameWhat it is
EcilaThe Cortex chat assistant, for everyday use
AiramThe coding assistant, used in Code mode
ChatRegular chats, about any topic
CodeChats tied to a project folder
RailThe thin column of shortcuts on the side of the app
LibraryEverything born in your chats: images, videos, documents

Getting started

  1. Download the app or open Cortex Web: the Getting started guide shows each way.
  2. Create your free account. The Cortex Livre plan already includes Chat, Code, Local AI, and connections.
  3. When you need more, see Plans and what each one unlocks.

Real screenshots of the app, with a demo account and fictitious data.