HomeToolsPlan StackBest ForCompare
RightAIChoice
CompareBlog
Submit a ToolSign inSign upPlan Your Stack
RightAIChoice

The decision-making engine for discovering AI tools.

One AI tool every Friday

A 60-second editorial pick. No filler, no funnel — unsubscribe anytime.

Product

  • Browse tools
  • Categories
  • Search
  • Plan my stack
  • Find my AI tool
  • AI chat
  • Compare
  • Submit your tool

Resources

  • Best AI guides
  • Stacks
  • Blog
  • Methodology
  • Viability scoring

Company

  • About
  • Team
  • Press & brand kit
  • Contact

Your account

  • Dashboard
  • Saved tools
  • Settings
  • Sign in
  • Create account

Legal

  • Privacy
  • Terms
  • Affiliate disclosure
  • Unsubscribe

© 2026 RightAIChoice. All rights reserved.

Built for the AI community.

RightAIChoice
CompareBlog
Submit a ToolSign inSign upPlan Your Stack
Tools✍️ Writing & ContentKortex
Kortex

Kortex

Freemium

AI-powered second brain for note-taking, content creation, and knowledge management.

By Tanmay Verma, Founder · Last verified 03 Jul 2026

0 views
Added 7d ago
77/100Safe Bet
Visit Website

In short

Kortex — AI-powered second brain for note-taking, content creation, and knowledge management. Best for Minimalist writers and bloggers, Content creators (social posts, video scripts), Note-takers building a second brain. Free to start; paid plans from $17.5021/mo.

Compared withvs Gemvs Letterheadvs Poke Interaction Co

Is Kortex actually worth it?

Live

See what real users actually say. We scan live discussions, reviews and complaints across the web and hand you an honest verdict — in under a minute.

3 free scans · no card needed · downloadable report

Run a free scan

Editorial Verdict

Best for
Minimalist writers and bloggersContent creators (social posts, video scripts)Note-takers building a second brainCreatives seeking to overcome writer's blockSolo knowledge workers
Not ideal for
Teams requiring advanced collaboration features (not yet mature)Users needing heavy AI usage on free plan (15 requests/month)Those looking for a full-featured document editor like Google DocsPower users who need extensive file uploads (>5MB on free tier)Users wary of tools transitioning to a new platform (Kortex to Eden)

Kortex excels at connecting ideas and reducing friction for writers, but its true potential is limited by generous free tier caps and the ongoing transition to Eden. It's a promising tool for solo creators who value simplicity and AI-assisted writing.

Compare with: Kortex vs Plaud, Kortex vs Fellow, Kortex vs Jamie

Last verified: July 2026

What's new in Kortex

Checked 7 days ago

Across the latest 6 updates: 1 feature update, 3 launches, 1 pricing change and 1 news mention.

LaunchBlog·Nov 24Newest

Kortex To Eden: Everything You Need To Know

How Eden changes things and how to transfer your workspace.

LaunchBlog·Apr 5

Kortex AI V2

Our most powerful release to date.

LaunchBlog·Feb 25

Kortex AI V1

Changes, capabilities, and use cases of Kortex AI.

FeatureBlog·Feb 25

The Kortex Guide To Writing AI Prompts

Resources for writing AI prompts.

NewsBlog·Feb 22

The Kortex Founding Thesis

The future of creative work.

PricingBlog·Jan 11

Next Releases & Price Increase (kAI, Offline Mode, Mobile, Chats)

Upcoming releases and price increase for kAI, offline mode, mobile, and chats.

Viability Score

77/100
Safe Bet

How likely is Kortex to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.

momentum
55
funding runway
80
website health
90
wrapper dependency
100

Last calculated: July 2026

How we score →

Key Features

  • AI assistant kAI for summaries, research, study plans
  • Interconnected writing surfaces ideas from notes/highlights
  • Pane navigation system to reference documents simultaneously
  • Kortex Elements: templates and outlines
  • Advanced search by tags, related words, contents, captures
  • All highlights in one place, Readwise import
  • Markdown export for data portability
  • Document sharing and collaboration across workspaces
  • Voice transcription (limited on free plan)
  • Multiple AI models: base + Gemini 2.0/2.5 Flash, Llama 4 Scout
  • Focus mode for distraction-free writing
  • Offline mode coming soon
  • Web and desktop apps
  • Capture ideas to specific notes with kAI synthesis

About Kortex

FreemiumBeginner-friendlyNo APIWeb · Desktop

Kortex is a digital workspace designed to unify note-taking, content creation, and knowledge management into a single, streamlined workflow. It caters to minimalist writers, creators, and note-takers who want to capture ideas quickly and write without distraction. The tool features an AI assistant called kAI that can summarize, advise, research, or create study plans from various sources like YouTube videos and highlights. Its interconnected writing system helps users overcome writer's block by surfacing relevant ideas from their notes, captures, and highlights in real time. Kortex offers a simple capture-and-create workflow: users capture ideas to specific notes, then use kAI to synthesize them into polished documents. The text editor is optimized for smooth writing, with a pane navigation system for referencing documents, highlights, and captures simultaneously. Unique features like Kortex Elements provide templates and outlines to guide writing, while advanced search lets users find ideas by tags, related words, document contents, captures, and highlights. Kortex also supports export as markdown, document sharing, collaboration across workspaces, and integration with Readwise for importing external highlights. The tool is available on web and desktop apps, with offline mode coming soon. Currently, Kortex is transitioning to a new product called Eden, which will offer spatial AI and auto-tagging.

Behind the Verdict

Kortex is a refreshingly focused tool for writers and creators who want a second brain that actually helps them write, not just store notes. The interconnected writing system is its standout feature — it surfaces relevant ideas from your captures and highlights as you write, effectively killing writer's block. The AI assistant kAI is useful for summaries and research, but the free tier's 15 requests per month is tight. For $10/month (Kore plan), you get unlimited base AI and 250 voice transcriptions, which is reasonable for solo creators. However, Kortex's future is uncertain: the company is transitioning to a new product called Eden, and Kortex features may eventually be absorbed. If you're looking for a stable long-term tool, this might give you pause. The tool also lacks advanced collaboration features, so teams should look elsewhere. Compared to alternatives like Notion or Obsidian, Kortex offers a simpler, more purpose-built writing environment — but those tools have larger ecosystems and more mature teams features. For now, Kortex is best for individual writers who want a clean, AI-enhanced workspace and can accept the impending shift to Eden.

Researching Kortex? Get your full AI stack in 60 seconds.

Free, no signup — tell us your goal and get tools matched to your budget & existing stack.

Use Cases

  • Capture fleeting ideas as standalone notes and later synthesize them into full articles using kAI.
  • Import highlights from Readwise and search across all your knowledge in one place.
  • Use Kortex Elements to create templates for consistent social media posts or video scripts.
  • Chat with kAI to get study plans or summaries from YouTube videos and notes.
  • Export your entire workspace as markdown to migrate to another tool at any time.

Models Under the Hood

Gemini 2.0/2.5 FlashLlama 4 Scout

Limitations

  • Free plan is very limited: only 15 AI requests per month, 5 MB file uploads, 5 GB storage, and 5 voice transcriptions.
  • Even paid plans cap premium model requests at 500/month until credit-based billing.
  • The tool is being rebranded as Eden, so future development may shift away from Kortex.

12-month cost

Project the real annual outlay, including the implied monthly cost when only an annual tier is published.

Annual total
Free
Over 12 months
Effective monthly
Free
Billed monthly

Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.

Integrations

Readwise

Resources & Guides

  • Resourcekortex.co

    How To Install The Kortex Desktop App · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    How To Import From Apple Notes To Kortex · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    How To Import From Obsidian To Kortex · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    How To Import From Notion To Kortex · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    How To Export Your Kortex Workspace · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    How To Integrate Kortex With Readwise · Kortex

    Helpful link from kortex.co

  • Resourcekortex.co

    10 Hidden Yet Powerful Kortex Features · Kortex

    Helpful link from kortex.co

Frequently Asked Questions

Tools that pair well with Kortex

Common stack mates teams adopt alongside Kortex, with the specific reason each pairing earns its keep.

Plaud

Plaud

Hardware AI note-taking with 112-language transcription and structured summaries

Fellow

Fellow

Enterprise-secure AI meeting assistant for transcription, notes, and summaries

Jamie

Jamie

Bot-free AI note taker for any meeting, online or in person.

Featured Head-to-Head Comparisons

Kortex vs Gem

Kortex vs Letterhead

Kortex vs Poke Interaction Co

Alternatives to Kortex

View all
Plaud

Plaud

Hardware AI note-taking with 112-language transcription and structured summaries

FreemiumTry
Fellow

Fellow

Enterprise-secure AI meeting assistant for transcription, notes, and summaries

FreemiumTry
Jamie

Jamie

Bot-free AI note taker for any meeting, online or in person.

FreemiumTry

Used Kortex? Help shape our editorial sentiment research.

Sign in to share

Details

Pricing
Freemium
Skill Level
Beginner-friendly
Platforms
Web, Desktop
API Available
No
Pricing & overview verified
7d ago

Categories

✍️ Writing & Content⚡ Productivity

Best-of guides

Best AI Tools for WritingBest AI Tools for ProductivityBest AI Meeting Assistants & Note TakersBest AI Tools for Project Management

Topics

TranscriptionResearchWriting AssistantSummarization

Resources

Official Website
Visit Website
RightAIChoice

The decision-making engine for discovering AI tools.

One AI tool every Friday

A 60-second editorial pick. No filler, no funnel — unsubscribe anytime.

Product

  • Browse tools
  • Categories
  • Search
  • Plan my stack
  • Find my AI tool
  • AI chat
  • Compare
  • Submit your tool

Resources

  • Best AI guides
  • Stacks
  • Blog
  • Methodology
  • Viability scoring

Company

  • About
  • Team
  • Press & brand kit
  • Contact

Your account

  • Dashboard
  • Saved tools
  • Settings
  • Sign in
  • Create account

Legal

  • Privacy
  • Terms
  • Affiliate disclosure
  • Unsubscribe

© 2026 RightAIChoice. All rights reserved.

Built for the AI community.