Demo Mode — Some features are simulated.

Arc Assistant

Powered by Constellation — Horizon Arc's unified intelligence layer.

A conversational assistant built for teams and creators who need answers at the speed of thought — without giving up their privacy.

Conversation, Without the Wait

Arc Assistant is a chat experience built for people who think fast, answering in near real time so conversations feel natural instead of transactional.

Powered by Constellation, Horizon Arc's unified intelligence layer — the same reasoning engine behind Arc Reader and every other Horizon Arc product.

What Arc Assistant Does

Constellation-Powered Speed

Arc Assistant runs on Constellation, Horizon Arc's unified intelligence layer — accelerated under the hood by Groq's LPU inference hardware, so responses keep pace with your thinking, not the other way around.

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Private by Design

Conversations stay yours. Arc Assistant is built with privacy-first defaults so teams and creators can talk freely without second-guessing where their data goes.

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Team Workspaces

Shared threads, shared context. Arc Assistant gives teams a common space to think out loud together without losing track of who said what.

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Creator Tools

Custom personas, saved prompts, and tunable tone — Arc Assistant adapts to the voice and workflow of the person using it.

How It Works

  • Start a conversation, solo or with your team
  • Answers arrive in near real time, accelerated by Groq inference infrastructure under the hood
  • Save personas and prompts for your recurring workflows
  • Keep every thread private by default

Join the Waitlist

Be among the first to bring Arc Assistant — powered by Constellation — into your team.

Guided by our mantra: Humanity before profit.

Arc Assistant is a product world by Horizon Arc Digital — powered by Constellation.