PPTArena, shortest of three requests

Claude Fable 5.1 on “Coordinated category boards”

Longer

10.94× longer

Worked 994% past the request, 14 min 54 s over.

Asked for
1.5 minutes
Worked
16 min 24 s
Grade
Score 60 of 100
Instructions 2 of 5, visuals 4 of 5. Graded during the run.
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
16 min 24 s (984 s)
Ratio
10.94× the request
How it ended
Ended on its own
Grade
Instructions 2.00 of 5, visuals 4.00 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
60 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
7wf3cvq2bg
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 minutes16 min 24 s10.94× longer
Middle6 minutes22 min 58 s3.83× longer
Longest25 minutes15 min 16 s1.64× shorter
Other agents, shortest request
GPT 6 Astra1.5 minutes3 min 8 s2.09× longer
GPT 5.6 Sol1.5 minutes3 min 14 s2.16× longer

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