Underdog opens an invite-only beta for its local AI assistant
The Mac and Windows beta pitches an assistant that runs on the user's computer, but its privacy and task-completion claims remain untested here.
An assistant running on the user’s machine
Underdog has opened an invite-only beta of its personal AI assistant, TechCrunch reported on October 6 after interviewing founder Sigil Wen. The product page lists access for Mac and a Windows beta; Linux, iPhone and Android versions are described as coming later. Underdog says its assistant can help with email, calendars, meeting notes and errands while running its AI model locally. The company identifies that model as Underdog 27B, built on Qwen 3.8 27B. The beta is limited by invitations, so this is not a broad public release.
Privacy pitch, open questions
Underdog says its model runs on the user’s computer, saved memories stay there and account keys are encrypted. Its page also says mail synchronizes directly with the user’s email provider. Those are the company’s descriptions of its architecture, not an independent security audit or a guarantee that no connected service receives task data. TechCrunch reported that Wen intends to keep the assistant free initially and eventually earn a small share of transactions the agent completes through Stripe. That payment model is a plan, not established revenue. Claims that the local model matches larger assistants or completes everyday tasks reliably remain to be tested outside the company’s examples.