TUA-Bench, shortest of three requests

GPT 5.6 Sol on “Name mountain photos”

Longer

1.45× longer

Worked 45% past the request, 40 s over.

Asked for
1.5 minutes
Worked
2 min 10 s
Grade
Passed
Score 100 of 100. Graded during the run.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, in Codex
Benchmark
TUA-Bench
Asked for
1.5 minutes: “Please work on this task for a full 1.5 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
2 min 10 s (130 s)
Ratio
1.45× the request
How it ended
Ended on its own
Grade
Passed
It completed the task in full. The grader returned 1. Pass rule: Full completion: a reward of 1 on the final state.
Score
100 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
uqfc2wcjn4
Data release
26 Sep 2026
The other requests for GPT 5.6 Sol on this task, and the other agents at this request
Sol on this taskAskedWorkedSplitResult
Shortest (this run)1.5 minutes2 min 10 s1.45× longer
Middle6 minutes7 min 36 s1.27× longer
Longest25 minutes26 min 19 s1.05× longer
Other agents, shortest request
GPT 6 Astra1.5 minutes1 min 50 s1.22× longer
Claude Fable 5.11.5 minutes1 min 20 s1.13× shorter

See it on the chart. Transcripts are not published yet.

Data and citation

Upstream: Chen et al., 2026