Hark previews Handoff browser agent after topping Online-Mind2Web

Brett Adcock's self-funded AI lab beat the previous benchmark leader by 0.4 points, while broader performance claims rely on Hark-run tests.

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Why it matters

Handoff turns Brett Adcock's personal-AI plan into a testable software product before Hark ships hardware, but its verified advantage is a narrow 0.4-point benchmark lead.

An abstract representation of an AI agent dynamically interacting with web interfaces (flat modernist vector illustration with textured overprint)

Brett Adcock (@adcock_brett) introduced Hark Handoff on August 5th, putting his second major AI venture into research preview with a browser agent designed to order food, book travel, shop and complete other tasks across the open web.…

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