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Gissur Þór Rúnarsson's avatar

Gissur Þór Rúnarsson

@gissurthor
Reykjavík, Capital Region, Iceland
@Importkitapp

Bersyn

I build Bersyn. It answers one question for founders: why is AI recommending my competitor instead of me. It shows what ChatGPT, Claude, Gemini and Perplexity actually say in your category, who they name, and who they quietly leave out. Building it in public, first paying customer still pending. "Type your domain at https://www.bersyn.com/. 15 seconds, no signup, see who AI recommends instead of you."

  • Bersyn
    $0/mo

    AI visibility scanner — see what ChatGPT says about your pro

Social Links

  • https://www.linkedin.com/in/gissur-thor-runarsson/
  • gissur@qualitas.is
  • @ThorGissur
  • https://x.com/ThorGissur

Recent activity

  • PostedLaunched on Product Hunt. The scans strangers ran were more interesting than the launch.2026-07-15
  • PostedLaunched Bersyn on Product Hunt this morning2026-07-15
  • Commented onLaunching Bersyn on Product Hunt Wednesday. It shows whether AI recommends you or your competitors.2026-07-15
  • PostedLaunching Bersyn on Product Hunt Wednesday. It shows whether AI recommends you or your competitors.2026-07-13
  • Commented onI measured if AI recommends challenger tools or just the same two incumbents. Some categories,winnable, some aren't, what does it change?2026-07-10
  • Commented onI measured if AI recommends challenger tools or just the same two incumbents. Some categories,winnable, some aren't, what does it change?2026-07-09
  • Commented onI reworded one buyer question and a SaaS tool went from recommended every time to never named. Here is the data.2026-07-09
  • PostedI measured if AI recommends challenger tools or just the same two incumbents. Some categories,winnable, some aren't, what does it change?2026-07-09
  • PostedI reworded one buyer question and a SaaS tool went from recommended every time to never named. Here is the data.2026-07-09
  • PostedDay 41: I ran my own tool on my own startup. It recommends us zero times2026-07-01
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-30
  • PostedI run a weekly experiment on AI recommendations. This week's category broke my assumption.2026-06-29
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-29
  • PostedThe serverless database newcomers already won AI's recommendation. The specialists are invisible.2026-06-29
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-28
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-28
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-28
  • Commented onDay 35 of trying to get my first paying customer. Still at zero. Here is what the data is actually telling me.2026-06-28
  • Commented onI asked 4 AI models which observability tool to use. They named Datadog every time and skipped the modern ones.2026-06-28
  • PostedI asked 4 AI models which observability tool to use. They named Datadog every time and skipped the modern ones.2026-06-26

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