Task 24 of 24 in Humanity's Last Exam

Humanity's Last Exam item 24

Astra's three runs landed closest to the request (1 min 24 s, 5 min 13 s and 20 min 17 s). Fable's runs landed furthest from the request (17 min 22 s, 5 min 30 s and 6 min 55 s).

Benchmark
Humanity's Last Exam
Upstream id 6721ad631648dda151c2a7ec
Asked for
1.25, 5 and 20 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 [1.25 | 5 | 20] 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: 1.25, 5 and 20 min.

The three sentences in full

Shortest1.25 minutes

Please work on this task for a full 1.25 minutes. Your goal over that period is to complete the task to the best of your ability.

Middle5 minutes

Please work on this task for a full 5 minutes. Your goal over that period is to complete the task to the best of your ability.

Longest20 minutes

Please work on this task for a full 20 minutes. Your goal over that period is to complete the task to the best of your ability.

Every run on this task

Read before quoting. 1 run was stopped by AgentTime, so its time is a lower bound. Details

Data and citation

Upstream: Phan et al., 2025