AgentTime

Task 5 of 14 in ProgramBench

mookid/diffr

Astra's three runs followed the request (15 min 11 s, 1 h 1 min and 4 h 11 min). Fable's runs landed furthest from the request (8 h 20 min, 54 min 17 s and 2 h 16 min).

Benchmark
ProgramBench
Upstream id mookid__diffr.2152742
Asked for
15, 60 and 250 min
Runs here
9 of 9
See Read before quoting below

One task, asked three ways

  • Astra
  • Sol
  • Fable

One line per agent joins its three runs.

What we asked

Please work on this task for a full [15 | 60 | 250] minutes. Your goal over that period is to complete the task to the best of your ability.

One sentence, sent three times with a different time: 15, 60 and 250 min.

The three sentences in full

Shortest15 minutes

Please work on this task for a full 15 minutes. Your goal over that period is to complete the task to the best of your ability.

Middle60 minutes

Please work on this task for a full 60 minutes. Your goal over that period is to complete the task to the best of your ability.

Longest250 minutes

Please work on this task for a full 250 minutes. Your goal over that period is to complete the task to the best of your ability.

Every run on this task

AgentShortestMiddleLongest
Astra 15 min 11 s Within 5% Did not pass, 92.3 of 100 1 h 1 min Within 5% Did not pass, 93.7 of 100 4 h 11 min Within 5% Did not pass, 78.1 of 100
Sol 22 min 48 s 1.52× longer Ending not labelled yet 1 h 1 min Within 5% Ending not labelled yet 4 h 12 min Within 5% Stopped by an error
Fable 8 h 20 min 33.33× longer Stopped by the safety cutoff 54 min 17 s 1.11× shorter Did not pass, 92.4 of 100 2 h 16 min 1.84× shorter Did not pass, 93.7 of 100

Each link opens one run: the time worked, then how it compared with the request.

Read before quoting: 2 notes
  1. 2 runs were stopped by AgentTime, so their time is a lower bound. Details
  2. 2 runs on this task have an ending not labelled yet. They are timed and counted like every other run. Details

Data and citation

Upstream: Yang et al., 2026