Sam Witteveen · 2026-11-10 · notable
Sam Witteveen — 'Gemini 4 Carbon is Live!'
Sam Witteveen walks through Google's Gemini 4 Carbon on the day it opened to developers: what it is built for, its benchmarks, pricing and cost per task against Claude Fable 5.2, and three app-building demos.
A same-day look at Gemini 4 Carbon now that anyone with API access can try it.
What is it?
Sam Witteveen's video covers Gemini 4 Carbon, Google's frontier model that opened to paid developers and AI Ultra users on 10 November 2026. He explains how Carbon differs from Argon and what it changes for software development, next to Anthropic's Claude Fable 5.2.
How does it work?
The video steps through what Carbon is, the four things Google built it for, its benchmarks, a comparison with Fable 5.2, cost per task and pricing. It then runs three demos: a 3D model of Marina Bay Sands, a Pomodoro Mac app built from one prompt, and an app that combines Bear and Obsidian.
Why does it matter?
Developers choosing between Gemini 4 Carbon and Claude Fable 5.2 get a hands-on comparison that weighs cost per task, not only benchmark scores.
Who is it for?
developers comparing frontier models
Try it
https://www.youtube.com/watch?v=l32KKNKdpIk