PPTArena, shortest of three requests

Claude Fable 5.1 on “LaTeX to editable Office Math”

Longer

11.86× longer

Worked 11.9 times as long as asked, 16 min 17 s over.

Asked for
1.5 minutes
Worked
17 min 47 s
Grade
Score 20 of 100
Instructions 2 of 5, visuals 0 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
17 min 47 s (1,067 s)
Ratio
11.86× the request
How it ended
Ended on its own
Grade
Instructions 2.00 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
20 of 100
Judged afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
zppgpbeyja
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 minutes17 min 47 s11.86× longer
Middle6 minutes11 min 45 s1.96× longer
Longest25 minutes24 min 5 sWithin 5%
Other agents, shortest request
GPT 6 Astra1.5 minutes4 min 34 s3.05× longer
GPT 5.6 Sol1.5 minutes7 min 59 s5.32× longer

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Data and citation