Stack Snacks

September 2026

I Built My Own Link-in-Bio Page With AI in Five Minutes

One prompt to build it.

Sep 28 • John Siwicki

3:11

GPT-6 Astra: My First Take

GPT-6 Astra has surprised me.

Sep 7 • John Siwicki

August 2026

Grok Bot: it felt like I had a team

I used it on real work. Here's the keep / cancel / wait.

Aug 31 • John Siwicki

1

Where My AI Budget Is Going

I think it’s fascinating to see where people are spending their money on AI—and, by extension, where their attention is going.

Aug 20 • John Siwicki

2

July 2026

ChatGPT Scheduled Tasks — Here’s How I’m Actually Using Them

Scheduled tasks in ChatGPT aren’t new — but OpenAI just gave them a fresh coat of polish and a couple of features that make them genuinely worth a…

Jul 6 • John Siwicki

June 2026

I Built a Notion AI Agent to Do My Work: An Honest Review

Notion has been moving deeper into AI agents, and I wanted to answer the practical question:

Jun 22 • John Siwicki

Gemini Spark is shockingly good—if you never leave Google's walls

I paid for Google’s Gemini Ultra plan ($100/month) to get early access to Gemini Spark, and I came away with a split opinion: this is one of the most…

Jun 7 • John Siwicki

April 2026

The jump I didn't see coming from OpenAI

I try a lot of tools.

Apr 22 • John Siwicki

2

Opus 4.7 Just Landed — Here's What Actually Changed

Hey Snackers 👋

Apr 20 • John Siwicki

4:17

Build Your Own AI Agent: Hyperagent and Notion

Happy Tuesday, Snackers 👋

Apr 1 • John Siwicki

March 2026