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Strophae — one prompt, many minds
Multi personas chat
Strophae is a free desktop app for macOS and Windows that broadcasts one prompt to a council of AI agents — each with its own model, persona and colour — and streams every answer side by side.
Recently I built an ensemble of synthetic persona agents for a client in advertising. It turned out to be a much better brainstorming tool than a single chat, because the differences between the personas are the useful part.
So I wrote an open-source desktop version. You compose a council of agents with name, model and system prompt. Every message you send is broadcast to all of them in parallel, each answers in its own column.
It use your OpenRouter key, one request per agent. The obvious cost is that N personas means N× the tokens, so I suggest you to keep the councils small and use cheap models if possible.
Electron + Bun + React, MIT license.
Happy to hear what you think.
About Strophae — one prompt, many minds on Product Hunt
“Multi personas chat”
Strophae — one prompt, many minds was submitted on Product Hunt and earned 2 upvotes and 3 comments, placing #138 on the daily leaderboard. Strophae is a free desktop app for macOS and Windows that broadcasts one prompt to a council of AI agents — each with its own model, persona and colour — and streams every answer side by side.
On the analytics side, Strophae — one prompt, many minds competes within Productivity, Marketing, GitHub and Tech — topics that collectively have 1.8M followers on Product Hunt. The dashboard above tracks how Strophae — one prompt, many minds performed against the three products that launched closest to it on the same day.
Who hunted Strophae — one prompt, many minds?
Strophae — one prompt, many minds was hunted by Matteo Costa. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Strophae — one prompt, many minds including community comment highlights and product details, visit the product overview.
Matteo Costa