PPTArena, shortest of three requests

Claude Fable 5.1 on “Swimlane process diagram”

Longer

7.67× longer

Worked 667% past the request, 10 min 1 s over.

Asked for
1.5 minutes
Worked
11 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
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
11 min 31 s (691 s)
Ratio
7.67× 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
ywshlo3ehj
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 minutes11 min 31 s7.67× longer
Middle6 minutes8 min 53 s1.48× longer
Longest25 minutes15 min 52 s1.58× shorter
Other agents, shortest request
GPT 6 Astra1.5 minutes1 min 44 s1.16× longer
GPT 5.6 Sol1.5 minutes4 min 3 s2.70× longer

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Data and citation