How Relay.app Founder Jacob Bank Uses AI to Do the Work of 5 People
This AI founder replies to 1,000 LinkedIn comments... without lifting a finger.
I had the chance to chat with Jacob Bank, founder of Relay.app, a platform for creating AI agents.
We kept it simple: five questions, straight to the point.
Some of the use cases Jacob shared made me stop and take notes.
Like how he replies to 1,000 LinkedIn comments with AI, or turns call transcripts into content that actually shapes messaging.
What You Can Steal From This:
An agent that replies to 1,000+ comments → saves 20 hours a week
A transcript-to-content workflow → pulls messaging straight from your audience’s mouth
A founder doing all of the marketing work by himself
Question #1: What’s your go-to AI model(s) right now and what do you use them for on a daily basis?
Gemini 2.0 Flash is my go-to model for extraction and summarization from long documents. It’s extremely cost effective and has a large context window.
Claude 4.0 Sonnet is my preferred model for writing and analysis.
OpenAI’s GPT 4.1 with built-in search is my favorite for research.
🧠 John’s thoughts: I’ve been seeing more marketers recommend Claude as their go-to model for writing. Worth running a side-by-side test if you haven’t done so already.Question #2: What’s one AI workflow or agent you’ve built that saved you the most time?
My biggest time savers are my workflows for automatically tracking and replying to LinkedIn comments. My posts often get between 100 and 1000 comments, and I was spending 20 hours per week replying to them all.
Now AI takes the easy 90% and I do the 10% that still require my judgement.
Full workflow in this video below 👇
🧠 John’s thoughts: This exact agent saves him 20 hours a week. Imagine what you’d do with that time.Question #3: What’s one underrated AI workflow or tool that more marketers should be paying attention to?
Synthesis of customer insights!
If you’re getting recordings and transcripts from an AI notetaker, you need to be using those to generate content and inform your messaging. An AI agent is REALLY good at this.
🧠 John’s thoughts: Understanding your target audience is important. Use an agent to turn those transcripts into messaging angles for your ads, social posts, or even landing page copy. Question #4: How has AI changed the way you market Relay.app in practical terms?
I am a one person marketing team (while also being responsible for sales, support, finance, HR, etc), and I’m able to produce quite a lot.
Here are some numbers:
This would not have been possible without AI!
Question #5: What’s one part of marketing you think AI will disrupt most in the next year?
Learning to build AI workflows and agents will be the most important foundational professional skill not just for the next 12 months but for the next 20 years.
Get started building.
🧠 John’s thoughts: I think marketing’s going to look very different 12 months from now. It’ll be about who can control and scale a set of AI agents to deliver real, tangible work.Wrap Up: Start Now
For those of you on the fence, consider starting now.
Relay.app is honestly one of the most intuitive platforms I’ve seen for trying your first agent build.
Build your first agent. See what 20 extra hours a week feels like.
I test AI workflows on real marketing problems.
And turn the useful ones into 10x Playbooks.
So business owners and solo marketers doing it all themselves can skip the guesswork… and copy what actually works.
→ I drop one of these 10xPlaybooks 🚀 every week, don’t miss the next.
John