AssistantBench, middle of three requests

GPT 5.6 Sol on “AssistantBench validation task 17”

Shorter

1.23× shorter

Stopped at 81% of the time asked, 57 s short.

Asked for
5 minutes
Worked
4 min 3 s
Grade
Did not pass
Score 2.4 of 100. Graded afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 5.6 Sol, in Codex
Asked for
5 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.”
Worked
4 min 3 s (243 s)
Ratio
0.81× the request
How it ended
Ended on its own
Grade
Did not pass
It did not match the reference answer exactly. The grader returned 0.024. Pass rule: Exact match with the reference answer.
Score
2.4 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
fin344ydoa
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
Shortest1.25 minutes2 min 59 s2.39× longer
Middle (this run)5 minutes4 min 3 s1.23× shorter
Longest20 minutes20 min 33 sWithin 5%
Other agents, middle request
GPT 6 Astra5 minutes5 min 31 s1.10× longer
Claude Fable 5.15 minutes3 min 29 s1.44× shorter

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

Data and citation

Upstream: Yoran et al., 2024 (EMNLP)