PPTArena, longest of three requests

Claude Fable 5.1 on “LaTeX to editable Office Math”

Within 5%

Within 5%

Worked 96% of the time asked, within 5% of it.

Asked for
25 minutes
Worked
24 min 5 s
Grade
Score 50 of 100
Instructions 5 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
25 minutes: “Please work on this task for a full 25 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
24 min 5 s (1,445 s)
Ratio
0.96× the request
How it ended
Ended on its own
Grade
Instructions 5.00 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
50 of 100
Judged afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
tn4y4tqekk
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 minutes17 min 47 s11.86× longer
Middle6 minutes11 min 45 s1.96× longer
Longest (this run)25 minutes24 min 5 sWithin 5%
Other agents, longest request
GPT 6 Astra25 minutes25 min 44 sWithin 5%
GPT 5.6 Sol25 minutes25 min 45 sWithin 5%

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