A memory that actually evolves
New Version Brain v1
Brain v1 · free while in beta

Capture anything. It organizes itself.

Overlay turns scattered pages, notes, chats, and files into one living memory you can reuse and rewire across every tool.

Works with every model
One centralized memory

Everything you capture, in one memory.

Pages, conversations, notes, files, tasks, events — captured into a single memory model, so nothing ever lives in a silo.

WebpageConversationNotePDFFileImageCodeClaude artifactTaskCalendar eventSynthesis

Browse with memory

The extension watches the pages you choose to keep — clip, save, and chat with them later. The Brain remembers what you've seen.

Any model, one memory

Claude, Gemini, or GPT — switch freely. Your Brain travels with you across every provider.

Capture files & PDFs

Drop a PDF, image, or document. Overlay reads it and files it into your memory so future chats can find it.

Save Claude artifacts

Code, SVGs, markdown — pull artifacts straight out of Claude into your Brain, ready to be referenced from any conversation.

Inspectable retrieval

Every answer comes with a trace chip. See exactly which memories were retrieved, scored, and injected — or correct them.

Private by default

Raw prompts and vendor data aren't stored unless you opt in. Delete anything and everything Overlay derived from it goes with it.

It doesn't just store. It evolves.

It doesn't just store. It evolves.

Overlay captures what matters, organizes it into one connected memory, and synthesizes new understanding over time — kept ready to use in any chat, or any tool you connect.

1 · Capture
2 · Organize
3 · Reuse
Webpage
Chat
PDF
Artifact
Task
Event
Your memory
capture · organize · synthesize · evolve
Claude
Gemini
GPT
How your memory evolves
Step 1
Capture
Pages, files, chats, notes — saved in one place, exactly as they were.
Step 2
Organize
Sorted and connected automatically, so related ideas link up.
Step 3
Synthesize
Throughlines, recurring questions, and contradictions surface on their own.
Step 4
Evolve
Your memory sharpens as you use it — ready for any model or tool.
On every answer
memories usedlive
retrieving memory…
Step 1
Capture
Clip a page, drop a file, save a chat, or just talk. Anything worth keeping becomes part of your memory.
Step 2
Organize
Overlay sorts and connects what you capture, linking related ideas so nothing lives in a silo.
Step 3
Evolve
It surfaces the right memory in any chat — with any model — synthesizing new insights as you go, and ready to plug into the tools you use.
Multi-model

One brain, every frontier model

Overlay routes through Anthropic Claude, Google Gemini, and OpenAI GPT — pick the right one for each task. The Brain, your context, and your memory stay the same.

Switch models mid-thread without losing context
One memory shared across every provider
Use the best model for each task — Sonnet for code, Gemini for long context, GPT for reasoning
Inspectable & private

An AI you can audit

Every retrieved memory is logged with a trace. Vendor blobs and raw prompts aren't kept by default. You can correct, archive, or forget any artifact.

Trace every answer

Click the trace on any assistant reply to see exactly which memories were used.

Correct & dismiss

Not everything Overlay remembers is right. Mark something wrong, replace it, or pin what matters — your memory learns what you trust.

Forget anything

Delete something and everything derived from it goes too. Privacy defaults are conservative on purpose.

Reuse & rewire

Your memory becomes building blocks

Nothing stays locked in a silo. Pull any memory into a note or a chat, connect ideas with backlinks, and ground every answer in what you already know.

@-mention anything

Type @ to drop any saved page, note, file, or task straight into a chat or a new note — instantly wired back to its source.

Compose from memory

Write notes that reference your other memories. Backlinks keep everything connected, so ideas compound instead of scattering.

Ground every chat

Ask anything and the answer is wired to your real context — the pages, decisions, and notes you've already captured.

Use it anywhere

Web today. Everywhere next.

Start with the web app and Chrome extension. CLI, public API, MCP server, and iOS capture are on the way.

Live now

Web app

Open the Brain workspace, ingest URLs and files, inspect every trace.

Open
Web app — Open
Live now

Browser extension

Clip pages, drop into chat, save Claude artifacts — straight from your browser.

Open
Browser extension — Open
Beta · Q3

Public API

Push artifacts and query memory with API keys. Stable /api/v1 with key prefixes.

Join the beta to get early access.
Public API — Join the beta to get early access.
COMING SOON
Coming soon

MCP server· Soon

Expose your Brain to Claude Desktop, Cursor, and any MCP-aware tool.

Notify me when it ships
MCP server — Notify me when it ships
COMING SOON
Coming soon

CLI· Soon

overlay ingest, overlay search, overlay trace — your Brain from the terminal.

Notify me when it ships
CLI — Notify me when it ships
Live now

iOS app

Capture from share sheet, ask your Brain on the go, sync everywhere.

Open
iOS app — Open
Why now

The personal AI moment is finally here

Builders and researchers have been calling for it for years: an AI that's actually yours, with your context, your memory, your taste. Overlay is one shape of that idea.

Personal LLMs
Inspired by
Andrej Karpathy
Tesla AI, OpenAI · @karpathy
Tools for thought
Inspired by
Garry Tan
President & CEO, Y Combinator
Second Brain
Inspired by
Building a Second Brain
Tiago Forte · the BASB movement
PKG / Graph
Inspired by
Personal Knowledge Graphs
GBrain · TheBrain · Roam · Obsidian community

These are public ideas from the personal-AI conversation, not endorsements. We're building one answer to the same question they've been asking.

Simple, Transparent Pricing

Choose the plan that works best for you. All plans include a free 14-day trial.

Free
$0/month
Basic features for personal use
  • Basic note-taking (max 50 notes)
  • Context-aware browsing assistance
  • Access to 2 LLM models (GPT-5 mini, Claude Free)
  • Export your data anytime
  • Unlimited completion history
  • Image drag & drop
  • Basic PDF support
  • Premium model access (GPT-5.5, Claude Sonnet 4.6, etc.)
  • Priority support
Overlay Pro
$3/month
Popular
Everything you need for Overlay
  • No note limits
  • Context-aware browsing assistance
  • Access to 6 LLM models (OpenAI, Anthropic, Gemini)
  • Export your data anytime
  • Full completion history
  • Image drag & drop
  • Standard PDF support
  • Premium model access (GPT-5.5, Claude Sonnet 4.6, etc.)
  • Priority support

Frequently Asked Questions

Can I switch between plans?

Yes, you can upgrade or downgrade your plan at any time. Changes will take effect at the next billing cycle.

Is there a free trial?

All paid plans include a 14-day free trial, no credit card required to start.

What payment methods do you accept?

We accept all major credit cards, as well as PayPal. Enterprise customers can pay by invoice.

Can I use my own API keys?

Yes, Overlay Pro lets you use your own API keys for various LLM providers to control your usage and costs.

Ready to give your AI a memory?

Give your brain a break

Open the web app to capture your first artifacts, or install the extension to clip from anywhere. Free during the beta.

S
M
J
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Join the early users building a personal AI that actually remembers them.

Start here

Open the Brain

Sign in, capture your first artifacts, and start chatting with memory.

Open Overlay

Add the extension

Clip pages, drop into chat, and save Claude artifacts straight to your Brain.

Download
Overlay — All-in-one personal AI