AgentTime

Task 12 of 12 in Agents' Last Exam

Find near-best-known routes for three CVRP instances

Astra's three runs landed closest to the request (4 min 43 s, 15 min 18 s and 1 h 2 min). Sol's runs landed furthest from the request (11 min 34 s, 2 h 10 min and 1 h 14 min).

Benchmark
Agents' Last Exam
Upstream id transport_safety/capacitated_vehicle_routing_problems
Asked for
4, 15 and 60 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 [4 | 15 | 60] 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: 4, 15 and 60 min.

The three sentences in full

Shortest4 minutes

Please work on this task for a full 4 minutes. Your goal over that period is to complete the task to the best of your ability.

Middle15 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.

Longest60 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.

Every run on this task

AgentShortestMiddleLongest
Astra 4 min 43 s 1.18× longer Passed, 100 of 100 15 min 18 s Within 5% Passed, 100 of 100 1 h 2 min Within 5% Passed, 100 of 100
Sol 11 min 34 s 2.89× longer Passed, 100 of 100 2 h 10 min 8.67× longer Stopped by the safety cutoff 1 h 14 min 1.24× longer Did not pass, 67 of 100
Fable 5 min 21 s 1.34× longer Passed, 100 of 100 9 min 56 s 1.51× shorter Passed, 100 of 100 46 min 25 s 1.29× shorter Passed, 100 of 100

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

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

Data and citation

Upstream: Sun et al., 2026