Yiannis pontificates on AI and Data
Yiannis AntoniouAI and Data musings from a hands-on practitioner
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 72 | Founded | 2 years ago | Last Issue | 3 days ago |
| Active | |||||
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yiannisantoniou.substack.comLatest Issues
Claude Fable 5 is Anthropic's best model and its own worst enemy
Note: Substack went down briefly on June 10, and on restore brought back an early draft of this article. I have restored it from my archive, but bad job Substack. Also took the opportunity to add two new screenshots to demonstrate model r...
Anthropic Opus 4.8 is an improvement, but I am still sticking with OpenAI GPT-5.5 (for now)
Anthropic released Claude Opus 4.8 on May 28, 2026, five weeks after OpenAI put GPT-5.5 into the market, and I have been testing it less as a standalone Claude release than as the latest move in a very compressed model race. The improvement...
Battle of the PowerPoint add-ins
When I wrote about GPT-5.2’s PowerPoint generation capabilities back in December, I called them “the real star of the show” and said my PowerPoint workflow might have changed for good. I meant it. The model could take a genuine work assignm...
Google I/O 2026 : New Gemini, agents, coding tools, and more
Google held its annual I/O developer conference on May 19 and announced Gemini 3.5 Flash, Antigravity 2.0, Gemini Spark, Gemini Omni, a Figma competitor called Stitch, something called WebMCP, and probably a dozen other things I am still so...
Claude Design redux: impressive, but not yet ready to replace Figma
I wrote a few weeks ago that Claude Design was not ready for real work, and that assessment was based on spending several days with the product right after its April 17 launch, trying to build a deck and burning through my entire weekly all...
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I am a NYC-based technologist that loves to talk about AI and Data. www.lydatum.com
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