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⚡ AI Lessons

Dev.to · Gissur Runarsson
1w ago
Bersyn is live on Product Hunt today
Bersyn is live on Product Hunt today. I built it after watching ChatGPT, Claude, Perplexity and...

Dev.to · Gissur Runarsson
1w ago
I'm launching Bersyn on Product Hunt next Wednesday
Why I built a tool to see who ChatGPT, Claude, Perplexity and Gemini recommend in your category, and who they name instead of you.

Dev.to · Gissur Runarsson
1w ago
We asked AI for the best CRM 80 times. Attio, the CRM startups love, was named twice.
Attio, the startup-darling CRM, was named 2 times out of 80 by AI. Who it names instead, and why. Run your category free.

Dev.to · Gissur Runarsson
1w ago
We asked AI for the best project management tool 40 times. Linear, the one engineers love, was named twice.
AI recommends the 2016 project management stack. I asked 4 models 40 times. Run your own category free.

Dev.to · Gissur Runarsson
1w ago
I watched a shared inbox tool go from 10 out of 10 to zero on ChatGPT just by rewording the question
I have been running a small experiment for a few weeks, and this one genuinely stopped me for a...

Dev.to · Gissur Runarsson
1w ago
We asked AI to recommend tools in three SaaS categories 20 times each, and the shape of the answers told us which ones a challenger can still win
More buyers now ask ChatGPT, Claude, Perplexity, or Gemini for a tool before they ever open Google....

Dev.to · Gissur Runarsson
1w ago
We reworded one buyer question and watched a shared inbox tool drop from 10 out of 10 to zero on ChatGPT
More and more buyers ask an AI model before they ever open Google. So we started measuring what...

Dev.to · Gissur Runarsson
🛠️ AI Tools & Apps
⚡ AI Lesson
3w ago
Why AI recommends the same tools every time, and which slots you can actually win
AI recommends the same tools every time. Some recommendation slots are welded shut, some are wide open. Here is how to tell which is which, and how a challenger

Dev.to · Gissur Runarsson
☁️ DevOps & Cloud
⚡ AI Lesson
3w ago
I asked four AI models which observability tool to use in 2026. They keep naming Datadog and Splunk, and never Better Stack.
I asked four AI models which observability tool to use in 2026. Better Stack got named zero times across all four. AI keeps reaching for Datadog and Splunk. Her

Dev.to · Gissur Runarsson
📣 Digital Marketing & Growth
⚡ AI Lesson
3w ago
I asked four AI models which notification infrastructure to use in 2026. Three of them still send you to Twilio.
I asked ChatGPT, Claude, Gemini and Perplexity which notification API to use. Three of them still say Twilio and ignore Knock, Novu and Courier. The receipts.

Dev.to · Gissur Runarsson
🤖 AI Agents & Automation
⚡ AI Lesson
3w ago
I asked four AI models where to deploy a SaaS app in 2026. Three of them never mention Railway, Render or Fly.
I asked ChatGPT, Claude, Gemini and Perplexity where to deploy a SaaS app in 2026. Three of them never name Railway, Render or Fly. The receipts.

Dev.to · Gissur Runarsson
🛠️ AI Tools & Apps
⚡ AI Lesson
4w ago
ChatGPT and Claude flatly disagree about which developer tools to recommend. I have the receipts.
ChatGPT and Claude flatly disagree about which developer tools to recommend. Real scan receipts across Convex, Trigger.dev, Windmill, Zuplo, Infisical and Novu.

Dev.to · Gissur Runarsson
🚀 Entrepreneurship & Startups
⚡ AI Lesson
4w ago
Day 34 of trying to get 20 paying customers in 40 days. Still at 0. Here is what changed.
Day 34 of trying to get 20 paying customers in 40 days. Still 0. What I changed: going content-first, and the two comments that reframed the whole run.

Dev.to · Gissur Runarsson
🚀 Entrepreneurship & Startups
⚡ AI Lesson
1mo ago
Day 7 of trying to get 20 paying customers in 40 days. Currently at 0.
Going to post this publicly because it forces me to be honest with myself. What I'm building: an AI...

Dev.to · Gissur Runarsson
🧠 Large Language Models
⚡ AI Lesson
2mo ago
We ran Bersyn on Bersyn — what ChatGPT, Claude, Perplexity and Gemini are saying about our own brand
We built an AI visibility tool, then ran it on ourselves. ChatGPT confuses us with a town in Cook County, Illinois. Claude declines to answer. Perplexity return

Dev.to · Gissur Runarsson
📣 Digital Marketing & Growth
⚡ AI Lesson
2mo ago
We scanned 8 B2B SaaS companies across 5 categories. ChatGPT named the same 12 brands in every answer.
On 22 May 2026 the Bersyn scan engine ran 200 buyer Conversations across four AI Surfaces — ChatGPT,...

Dev.to · Gissur Runarsson
🤖 AI Agents & Automation
⚡ AI Lesson
3mo ago
I opened up free AI scans — here's what AI actually says about your product
I have been scanning SaaS products across ChatGPT Claude Perplexity and Gemini for a few months now....

Dev.to · Gissur Runarsson
🧠 Large Language Models
⚡ AI Lesson
4mo ago
I asked ChatGPT, Claude, Perplexity, and Gemini about 10 SaaS products. Here's what they got wrong.
I asked ChatGPT, Claude, Perplexity, and Gemini about 10 SaaS products. Here's what they got...

Dev.to · Gissur Runarsson
⚡ AI Lesson
5mo ago
AI Is Quietly Deciding Which SaaS Tools Exist
We talk a lot about SEO. We talk about distribution. We talk about landing page optimization. But...
DeepCamp AI