Tasks · desk · Spreadsheet
Monthly miles per van for the insurer
fleet-mileage-monthly · timeout 1200 s · source
The ask
Sent verbatim as the prompt. The agent works in a copy of the workspace below and sees nothing else.
The insurance renewal needs miles per van per month for January to June, worked out from the fuel card export. Save it as mileage.csv. Tom's note says how he wants it counted.
Workspace
- fuel_card_export_2026-01-01_2026-07-02.csv
- note_from_ops.txt
- shop_log_2026.csv
- vehicle_list.xlsx
Expected deliverables
- mileage.csv
This task also has a task-specific grader (check.py).
Checks
The task passes only when every required check passes. Reference answers, tolerances, and the planted traps are in the repository, not here.
| Check | Type | Required | Failed (frozen) / 6 |
|---|---|---|---|
| requested columns | csv_columns | yes | 0 |
| every van | csv_set_equal | yes | 0 |
| a row for every van and month | csv_row_count | yes | 0 |
| miles per van and month | custom | yes | 0 |
Recorded results, complete desk comparison
pass pass, frozen scorer only fail timed out
| System | Repetitions | Frozen / 3 | Raw / 3 | Median minutes | Mean cost (USD) |
|---|---|---|---|---|---|
| Proto / DeepSeek V4.1 Flash | 3 | 3 | 2.2 | 0.0254 | |
| Codex / GPT-5.6 sol | 3 | 3 | 2.5 | 0.3183 |
Per-attempt check verdicts, raw and frozen verdicts, usage, receipt and artifact hashes for this task are in results/latest/attempts.jsonl under "task": "fleet-mileage-monthly".