PPTArena, middle of three requests

Claude Fable 5.1 on “Accessibility and master cleanup”

Longer

2.08× longer

Worked 108% past the request, 6 min 31 s over.

Asked for
6 minutes
Worked
12 min 31 s
Grade
Score 0 of 100
Instructions 0 of 5, visuals 0 of 5. Nothing to grade, counted as 0.
How it ended
Ended on its own
Every detail of this run
Agent
Claude Fable 5.1, in Claude Code
Benchmark
PPTArena
Asked for
6 minutes: “Please work on this task for a full 6 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
12 min 31 s (751 s)
Ratio
2.08× the request
How it ended
Ended on its own
Grade
Instructions 0.00 of 5, visuals 0.00 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
0 of 100
Nothing to grade, counted as 0. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
wsr2guyugv
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
Shortest1.5 minutes8 min 37 s5.75× longer
Middle (this run)6 minutes12 min 31 s2.08× longer
Longest25 minutes9 min 55 s2.52× shorter
Other agents, middle request
GPT 6 Astra6 minutes6 min 13 sWithin 5%
GPT 5.6 Sol6 minutes6 min 35 s1.10× longer

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Data and citation