Your Second Brain,
Powered by AI

Capture ideas, organize knowledge, and retrieve information instantly with intelligent memory. Never lose a thought again.

Loved by 10,000+ thinkers
4.9/5 rating
Search your second brain…⌘K
AI recalled 3 memories
Recent memoriesView all

Transformer attention is all you need

AI & ML · 2h ago

Naval on building specific knowledge

Startups · 5h ago

Design systems: tokens over components

Design · 1d ago

Knowledge graph

312 nodes · 1,204 connections

Trusted by curious minds at fast-moving teams

0+

Memories stored

0+

Active users

0M+

Searches run

0.0%

Uptime

Why Mnemo exists

Your mind is for having ideas, not storing them

Human memory was never built for the modern flood of information. Here is how that breaks down — and how we fix it.

The problem

You consume more than you can remember

Articles, podcasts, conversations, sparks of insight — thousands of ideas pass through you every week. Within days, 90% are gone forever.

90%

of new information is forgotten within a week

The frustration

Notes apps become graveyards

You save everything into folders and docs you never open again. Search is keyword-only. Your best ideas are buried and disconnected.

76

notes saved for every one you ever reopen

The solution

A brain that thinks with you

Mnemo reads what you save, understands the meaning, connects related ideas automatically, and recalls exactly what you need in seconds.

0.3s

to surface any memory with semantic AI search

Features

Everything you need to think clearly

A complete toolkit for capturing, connecting, and recalling everything that matters — powered by intelligent memory.

AI Memory Storage

Save articles, notes, and fleeting thoughts. Mnemo reads and understands the meaning of every memory automatically.

neural nets for time series
Temporal fusion transformers0.98
LSTM vs attention0.91
Forecasting notes0.84

Instant Search

Semantic search that understands intent, not just keywords. Find anything in milliseconds.

Knowledge Graph

Watch your ideas connect into a living network of understanding.

Smart Organization

Auto-tagged, auto-categorized. Your library organizes itself so you never file another note by hand.

AI & MLResearchProductDesignStartupsPhilosophy

AI Retrieval

Ask questions in plain language and get answers grounded in your own knowledge.

Context Awareness

Mnemo remembers what you were working on and surfaces relevant memories at the right moment.

Productivity Tracking

See what you learn and how your knowledge compounds over time.

Memory Connections

Discover unexpected links between ideas you never knew were related.

Knowledge Graph

Your ideas, beautifully connected

Every memory becomes a node. Every relationship becomes a link. Mnemo builds a living map of your mind so you can see how everything connects — and discover ideas you forgot you had.

Automatic connections

AI links related concepts the moment you save them.

Explore visually

Click any node to trace how ideas branch and cluster.

Second BrainAI & MLStartupsDesignResearchAttentionNavalSystemsPapers
Product tour

See Mnemo in action

A polished, fast, and thoughtful interface for every part of your knowledge workflow.

app.mnemobrain.ai/search
Search

Semantic search

Ask in natural language. Mnemo ranks every memory by meaning and relevance.

AI Search

Ask anything. Remember everything.

Type a question the way you think it. Mnemo understands meaning and instantly recalls the exact memory you need.

Ask your second brain…
Results will appear here
How it works

Three steps to a smarter mind

No complex setup. No manual filing. Just capture, and let intelligent memory do the rest.

01

Capture

Drop in an article, a note, a voice memo, or a passing thought. Mnemo reads it, understands it, and extracts the essence.

02

Connect

Every memory is compared against everything you know. Mnemo weaves new ideas into your growing knowledge graph automatically.

03

Recall

Ask a question in plain language and get the exact answer — grounded in your own memories — in a fraction of a second.

Loved by thinkers

Built for people who never want to forget

Join thousands of researchers, builders, and creators who upgraded their memory with Mnemo.

Mnemo turned my scattered bookmarks into a real second brain. I finally remember what I read — and find it in seconds.

A

Aisha Khan

Product Designer · Vercel

Clean, fast, and focused. Mnemo is the first knowledge tool my whole team actually keeps using.

J

James Lee

Founder · Ramp

The automatic connections are uncanny. It surfaced links between papers I never would have noticed on my own.

D

Daniel Rivera

Staff Engineer · Linear

The knowledge graph is genuinely beautiful — and useful. Seeing my ideas connect is weirdly motivating.

S

Sofia Martins

Content Lead · Notion

Chatting with everything I've saved changed how I prepare for talks. It's like a research assistant that never sleeps.

M

Maya Thompson

PhD Researcher · MIT

I use it every single day. It's like having a personal librarian for my brain that instantly finds anything.

N

Noah Park

Writer · Independent

Comparison

Not just another notes app

Traditional tools store text. Mnemo understands it — and gives it back exactly when you need it.

Capability
Mnemo Brain
Traditional notes
Semantic search speed
0.3s
Keyword only
AI memory & recall
Knowledge graph
Smart auto-recall
Automatic organization
Manual
Idea connections
Chat with your notes
Pricing

Simple pricing that scales with you

Start free. Upgrade when your brain outgrows the basics. Cancel anytime.

Free

For getting started with your second brain.

$0/forever
  • Up to 500 memories
  • Semantic AI search
  • Basic knowledge graph
  • Auto-tagging
  • Web capture
Most popular

Pro

For serious thinkers who never want to forget.

$12/per month
  • Unlimited memories
  • Advanced AI retrieval
  • Full interactive graph
  • Chat with your brain
  • Smart connections
  • Priority support

Team

For teams building shared knowledge.

$29/per user / month
  • Everything in Pro
  • Shared team memory
  • Collaboration & roles
  • Admin controls
  • SSO & SAML
  • Dedicated support
FAQ

Questions, answered

Everything you need to know about Mnemo Brain. Can't find an answer? Reach out any time.

When you save a memory, Mnemo reads and understands its meaning using AI embeddings — not just keywords. It then compares it against everything you already know, links related ideas, and makes it instantly retrievable through natural-language search.