# Sonnet 5.5 Is Here. Look What It Can Build.

**Published:** September 29, 2026
**Author:** Matthew Berman
**Source:** YouTube — Matthew Berman
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/sonnet-5-5-is-here-look-what-it-can-build

Sonnet 5.5 is here, and it might be the overall best model on the planet. In this video, I'm going to show you what it can do, and also what it can't do. I've had early access, so I've been testing it, and now let me just show you some of the demos. All right, so this first one…

> From the original source: **YouTube — Matthew Berman**
> [Read full article at YouTube — Matthew Berman](https://www.youtube.com/watch?v=T-E7rmD6rh4)

**Tags:** #OpenAI #Anthropic #YouTube

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