I Tested Claude Fable 5 to Build Apps: Surprising Results

Опубликовано: 17 Июнь 2026
на канале: Jason Lee
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Claude just dropped Fable 5 & Mythos 5, its most powerful AI model yet, and I spent the last 24 hours building four real apps to see if it actually lives up to the hype. In this video I run the same prompts through Fable 5 and Opus 4.8 side by side so you can see exactly where Fable 5 pulls ahead and where it's not worth the extra cost. If you're using Claude for vibe coding this matters because Fable 5 is on your existing plan until June 22nd, after that it moves to credits only.

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Timestamps:

0:00 Intro
2:48 Models explained
7:30 Use Case 1: Mobile app
9:27 Use Case 2: Web app
11:52 Use Case 3: Landing page
13:23 Use Case 4: Simulation game

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