PPTArena, shortest of three requests

Claude Fable 5.1 on “Theme and backgrounds across 28 slides”

Longer

10.03× longer

Worked 903% past the request, 13 min 33 s over.

Asked for
1.5 minutes
Worked
15 min 3 s
Grade
Score 50 of 100
Instructions 1 of 5, visuals 4 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
15 min 3 s (903 s)
Ratio
10.03× the request
How it ended
Ended on its own
Grade
Instructions 1.00 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
50 of 100
Judged afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
gst5qrrleu
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 minutes15 min 3 s10.03× longer
Middle6 minutes17 min 51 s2.97× longer
Longest25 minutes17 min 49 s1.40× shorter
Other agents, shortest request
GPT 6 Astra1.5 minutes4 min 11 s2.79× longer
GPT 5.6 Sol1.5 minutes8 min 49 s5.88× longer

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Data and citation