Articles

AI, product thinking, and things worth building. Original articles by Karo Zieminski that didn't make it to Substack.

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Claude Fable 5.2 for Designers: 7 Tests, Every Prompt

I tested Claude Fable 5.2 on 7 graphic and motion design briefs. Poster, logo, icons, bounce, easing, kinetic type, chart. Raw output and all 8 prompts.

Published November 9, 2026
- Claude Fable 5.2
- AI design
- Motion design
- Design prompts
Jev AI pricing explained: $0.042 per million, free output

Jev costs $0.042 per million input tokens. See real bills, what AI providers pay for, and why System One models can cost less.

Published September 25, 2026
- Jev pricing
- System One models
- AI costs