Laying out the streets…STEP 1 OF 3

Underdog · House #31,212

The most loyal AI, 100% local and private

In the General-purpose AI assistants neighborhood (AI and agents). In town since 5 Oct 2026.

Nobody has claimed this house yet. Tablif records every new product and gives it a house; when its owner claims it, the lights go on.

Is this yours? Claim it

What Tablif read on Underdog's site

Underdog describes itself as: “Underdog The most loyal AI, 100% local and private”

What it is

Calls itself “personal AI”.

  • Calls itself: personal AI
“Underdog is a personal AI that runs 100% on your computer.”

Where it puts itself

Claims “The most loyal AI”. Rules out “no Underdog servers for personal data”.

  • Superlative claim: The most loyal AI
  • Says it will not: no Underdog servers for personal data
“The only data that can't leak from a server is data that was never sent to one.”
“The most loyal AI, 100% local and private”

What it costs

Monthly subscription. A free tier, free forever. Sales on request. No yearly plan. Prices quoted: $1,999/month.

  • Monthly: yes
  • Yearly: no
  • Free plan: free forever
  • Price: $1,999/month
  • Contact sales: yes
“$1,999 per month”
“Monthly Yearly save 20%”

Who it sells to

Sells to consumers.

  • Sells to: consumers
“Billions of people, for free. That is who we build Underdog for.”

How it runs

A desktop app and web app for Android, Linux, Windows, iOS and macOS. Runs locally and works offline. AI is the core of the product.

  • Kind: desktop · web
  • Runs on: Android · Linux · Windows · +2
  • Runs where: on the device, offline
  • AI role: core to the product
“You pair deep technical knowledge with exquisite taste, and you design and build Underdog everywhere it runs: macOS, iOS, desktop, and the web.”
“Linux, iPhone and Android are on the way”

What it works with

Names 27B, GPT-2 and 4 more on its pages.

  • Names: 27B · GPT-2 · Gmail · +3
“…and the 27B model scores 33.7 on the Artificial Analysis Intelligence Index.”
“Sigil got GPT-2 running on his Apple Watch in 2023.”

What it offers as proof

In beta. Backed by Andreessen Horowitz, Anthology fund in partnership with Anthropic, Breakneck, Hummingbird, Khosla Ventures and SV Angel. Funding: “first round earlier in 2026”. Trying it asks for an email.

  • Stage: beta
  • Backer: Andreessen Horowitz · Anthology fund in partnership with Anthropic · Breakneck · +3
  • Funding: first round earlier in 2026
  • Instant signup: yes
  • Trial asks for: an email address
“Invite-only beta on Mac, with Windows in beta.”
“Adopt Underdog”

Sources

Tablif read these pages, last on 5 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

Similar products in Tablif Town

Explore Tablif Town