Opus 5 is reportedly excellent at mobile apps, beating an old calorie-tracker prompt test
EthanJPerez · x · 2026-07-27
A repost says Opus 5 is “ridiculously good” at mobile apps and may even be better than Fable.
The author’s test was an old “conversational calorie tracker” prompt, and the result is described as clean enough for a version 1 app.
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