Kortex is unclaimed —

Kortex

The AI Powered Second Brain·kortex.co

Kortex is a note-taking and writing application that combines documents, captures, highlights, and an AI assistant (kAI) in one workspace. Users can capture ideas, chat with an AI using their documents as context, and organize notes, highlights, and writing projects. It offers prebuilt AI workflows for content creation, marketing, learning, and planning, and supports sharing and collaboration across workspaces.

What it's for

Write newsletters, articles, scripts, and postsFind and organize ideas for books and articlesOutline and draft emails, landing pages, and copywritingCollaborate on interconnected creative projectsOrganize digital notes and ideas in one placeReference course material, take notes, and write papers

Features 16

25+ prebuilt AI workflows for content, marketing, learning, and planning
AI chat assistant (kAI) using documents, highlights, and external sources as context
Custom elements
Document and template sharing, including cross-workspace duplication
Export files/workspace as markdown
File transcription (coming soon)
Highlight library for PDFs, books, tweets, and articles
Kortex Elements for templates and outlines
Multiple AI models available in one place (base and premium models)
Native Kindle highlights, web clipper, and audio highlighter (coming soon)
Offline mode (coming soon)
Readwise integration for highlight import/sync
Search by tags, related words, document contents, captures, elements, and highlights
Text editor with pane navigation for referencing documents/highlights while writing
Voice transcription
Workspace collaboration

At a glance

free tier

TypeWeb app

DeploymentCloud

PlatformsWeb

ForCreators, Writers, Marketers, Teams, Note-takers, Students

CompanyKortex Enterprises, LLC

Integrations

ReadwiseGeminiLlama

Pricing

AI request limits and model access are described as subject to change as credit-based billing is rolled out. Several features are marked 'Coming soon' (offline mode, file transcription, expanded members/workspaces).

FreeFree

Described as 'Free For Life'

5mb file upload, 5gb storage; 20 custom elements; 15 Kortex AI requests/month; 5 voice transcriptions/month; 1 member; 1 workspace

Kore$14/user/mo

$10/seat/month billed annually; $14/seat/month billed monthly. Marked 'Most Popular'.

50mb upload, 15gb storage; 50 custom elements; 250 voice transcriptions/month; 3 members; 3 workspaces

Premium$21/user/mo

$17.50/seat/month billed annually; $21/seat/month billed monthly.

1gb upload, 25gb storage; unlimited voice transcriptions; unlimited members and workspaces (coming soon)

CustomQuote

For large teams with specific needs; contact for pricing (quote-based).