Opyt vs Karakeep

Karakeep keeps what you clip, forever. Opyt decides what is worth keeping and goes and gets it.

These tools share the local, private values of an Opyt local install, which makes this the honest competitor on ownership. Karakeep even tags with a local Ollama model, so nothing leaves the box.

The difference is the step before storage. These are excellent warehouses that you fill by clipping. None of them read your existing X bookmarks, expand a person into their archive, or follow topics for you.

At a glance

	Opyt	Karakeep
How it fills	Your existing follows and bookmarks, then whole archives	You clip each page
Selection	People you endorsed, plus finds from your topics that your AI kept	Whatever you clipped
Archival copy	Extracted text; no page copy	Full-page HTML via monolith; video via yt-dlp
Interface	Your AI client	A browsable web UI
External spend	None	Zero with a local model
Platform	Mac (browser clients read a copy)	Docker, anywhere

Where Karakeep is better

Archival durability. Karakeep keeps a whole-page HTML copy through monolith and archives video with yt-dlp, so a save survives the source going away. Opyt keeps extracted text and no video at all.
Browser-extension clipping from any page, which Opyt has no equivalent for.
A real browsable UI, and Docker-simple deployment including Windows.
Search by meaning at zero external spend, with a local model. Opyt also spends nothing, but it matches words, not meaning.

Where Opyt is better

Acquisition and admission. A bookmark manager has no opinion about what belongs.
One confirmation collects available discovered sources, verified as the same person through links they attest to.
The growth loop: the topics you follow collect new material without another prompt.
A query surface built for an agent, not for a human browsing tags.

Which one

Pick Karakeep if

You want permanent copies of pages
You clip from everywhere and want a UI
You are on Windows or want Docker

Pick Opyt if

Your problem is what to save, not where to put it
You want an author's whole archive
Your agent is the thing doing the reading

Same values, different stage in the pipeline. These are warehouses, and Opyt is what decides which things ship to one.

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