A series · basic to extreme
Fable 5.2vs
Opus 5.5
Claude Fable 5.2 and Claude Opus 5.5, both on High, get the same prompts. Every build here is the model's first answer, untouched. Open them, click around, and decide for yourself.
Same promptWord for word, sent unedited to both.
Fresh chatsNo history, no custom instructions.
Both on HighClaude Fable 5.2 High and Claude Opus 5.5 High.
First answer onlyOne shot. No retries, no follow-ups.
The tests
- 01The bug huntOne Python function, 8 planted bugs, an answer key written before either model saw it.Basic
- 02The focus roomA calm, premium Pomodoro app in one HTML file.Medium
- 03The landing pageA page for Driftwood, a fictional voice-journal app, that looks like it raised a Series A.Medium
More tests every week, from basic to extreme.