What Claude Fable 5.1 can actually build for designers, tested on 3 briefs
Anthropic shipped Fable 5.1 on 1 September 2026. A creator I follow spent around $700 on the API testing it for one video. I had a laptop, a weak connection and a normal subscription, so I ran 3 open briefs instead. All 3 prompts are here to copy, and all 3 results are live.