HeyJaredAlexey On Data
Practical writing on building, testing, and operating AI systems, workflows, and automation, based on my projects and experiments. Subscribe to get ideas you can reuse in your own work.
- Indexed issues, last 90 days
- 10
- Latest publication
- Sep 23, 2026
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- Earliest in this view
- Aug 14, 2026
Latest issues
Last Call: AI Engineering Buildcamp Cohort 4 (opens the original)
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We started the new cohort of AI Engineering Buildcamp this Monday, but you can still join. <img alt="" class="sizing-normal" height="777" src="https://substackcdn.com/image/fetch/$s_!bRe3!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack
Jev: A Decision Model That Does Not Generate Text (opens the original)
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If you’ve been on X in the last few days, chances are that you’ve seen posts about Jev from TypeSave AI. Every time I open my timeline, I see people posting about it.The model was recently released on OpenRouter, so I decided to give it a try.Thanks for reading Alexey On Data! Subscribe for free to receive new posts and support my work.<input
AI Engineering Buildcamp Starts Next Week (opens the original)
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Next Monday (September 21), I start the next cohort AI Engineering Buildcamp. It’s going to be the forth cohort of the course.The course is a practical and hands-on introduction to AI Engineering. After finishing the course, you’ll be able to create a project independently with tests, monitoring and a proper evaluation set. There are no slides in the course. Instead, we focus on coding a lot - also with help of AI assistants.<p class="cta
Free and Affordable AI-Native Development (opens the original)
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I recently posted on X that we have access to so many tokens that I’m running out of ideas what to build.At DataTalks.Club we’re running AI Dev Tools Zoomcamp and people are asking me where they can get access to coding agents for free or without paying a lot of money. So I figured I should take that post from X and turn it into an article.Thanks for reading Alexey On Data!
13 AI Projects from AI Engineering Buildcamp Cohort 3 (opens the original)
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The third cohort of my AI Engineering course wrapped this summer, and in this post I want to share what we built.The projects are real-life and include an exam questions generator, a chess coach, a RAG pipeline, job tools, and research assistants.Thanks for reading Alexey On Data! Subscribe for free to receive new posts and support my work.<input class="button primary" typ
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