Task 1 of 24 in Humanity's Last Exam
Humanity's Last Exam item 1
Astra's three runs landed closest to the request (2 min 23 s, 5 min 14 s and 20 min 11 s). Fable's runs landed furthest from the request (18 min 7 s, 40 min and 40 min).
- 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
| Agent | Shortest | Middle | Longest |
|---|---|---|---|
| Astra | 2 min 23 s 1.90× longer Passed, 100 of 100 | 5 min 14 s Within 5% Passed, 100 of 100 | 20 min 11 s Within 5% Passed, 100 of 100 |
| Sol | 5 min 1 s 4.01× longer Did not pass, 0 of 100 | 5 min 12 s Within 5% Did not pass, 0 of 100 | 20 min 11 s Within 5% Passed, 100 of 100 |
| Fable | 18 min 7 s 14.49× longer Passed, 100 of 100 | 40 min 8.00× longer Stopped by an error | 40 min 2.00× longer Stopped by an error |
No runs match these filters.
Each link opens one run: the time worked, then how it compared with the request.
Read before quoting. 2 runs were stopped by AgentTime, so their time is a lower bound. Details
Data and citation
Upstream: Phan et al., 2025