PPTArena, shortest of three requests

Claude Fable 5.1 on “Accessibility and master cleanup”

Longer

5.75× longer

Worked 475% past the request, 7 min 7 s over.

Asked for
1.5 minutes
Worked
8 min 37 s
Grade
Score 30 of 100
Instructions 1 of 5, visuals 2 of 5. Judged afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
Claude Fable 5.1, in Claude Code
Benchmark
PPTArena
Asked for
1.5 minutes: “Please work on this task for a full 1.5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
8 min 37 s (517 s)
Ratio
5.75× the request
How it ended
Ended on its own
Grade
Instructions 1.00 of 5, visuals 2.00 of 5
Two 0-to-5 judge scores, instruction following (IF) and visual quality (VQ), each the median of 3 judge samples. No official pass rule.
Score
30 of 100
Judged afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
jdyxreeqny
Data release
26 Sep 2026
The other requests for Claude Fable 5.1 on this task, and the other agents at this request
Fable on this taskAskedWorkedSplitResult
Shortest (this run)1.5 minutes8 min 37 s5.75× longer
Middle6 minutes12 min 31 s2.08× longer
Longest25 minutes9 min 55 s2.52× shorter
Other agents, shortest request
GPT 6 Astra1.5 minutes2 min 5 s1.39× longer
GPT 5.6 Sol1.5 minutes5 min 50 s3.89× longer

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Data and citation