Task 2 of 12 in TUA-Bench

First-author table

Astra's three runs landed closest to the request (2 min 52 s, 10 min 22 s and 40 min 39 s). Fable worked 2 min 6 s, 2 min 19 s and 2 min 21 s whatever it was asked.

Benchmark: TUA-Bench; Upstream id 096-first-author-table
Asked for: 2.5, 10 and 40 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 [2.5 | 10 | 40] 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: 2.5, 10 and 40 min.

The three sentences in full

Shortest2.5 minutes

Please work on this task for a full 2.5 minutes. Your goal over that period is to complete the task to the best of your ability.

Middle10 minutes

Please work on this task for a full 10 minutes. Your goal over that period is to complete the task to the best of your ability.

Longest40 minutes

Please work on this task for a full 40 minutes. Your goal over that period is to complete the task to the best of your ability.

Every run on this task

Every run on First-author table, one row per agent
Agent	Shortest	Middle	Longest
Astra	2 min 52 s 1.15× longer Passed, 100 of 100	10 min 22 s Within 5% Passed, 100 of 100	40 min 39 s Within 5% Passed, 100 of 100
Sol	3 min 38 s 1.45× longer Did not pass, 0 of 100	12 min 23 s 1.24× longer Passed, 100 of 100	41 min 11 s Within 5% Did not pass, 0 of 100
Fable	2 min 6 s 1.19× shorter Stopped by an error	2 min 19 s 4.31× shorter Stopped by an error	2 min 21 s 17.02× shorter Stopped by an error

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

Read before quoting. 3 runs were stopped by AgentTime, so their time is a lower bound. Details

Data and citation

Upstream: Chen et al., 2026