AssistantBench, longest of three requests

GPT 6 Astra on “AssistantBench validation task 4”

Shorter

9.31× shorter

Stopped at 11% of the time asked, 17 min 51 s short.

Asked for
20 minutes
Worked
2 min 9 s
Grade
Did not pass
Score 0 of 100. Graded afterwards.
How it ended
Ended on its own
Every detail of this run
Agent
GPT 6 Astra, in Codex
Asked for
20 minutes: “Please work on this task for a full 20 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
2 min 9 s (129 s)
Ratio
0.11× 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. Pass rule: Exact match with the reference answer.
Score
0 of 100
Graded afterwards. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
7tgkr2ogxq
Data release
26 Sep 2026
The other requests for GPT 6 Astra on this task, and the other agents at this request
Astra on this taskAskedWorkedSplitResult
Shortest1.25 minutes1 min 29 s1.18× longer
Middle5 minutes1 min 41 s2.97× shorter
Longest (this run)20 minutes2 min 9 s9.31× shorter
Other agents, longest request
GPT 5.6 Sol20 minutes2 min 30 s7.99× shorter
Claude Fable 5.120 minutes2 min 6 s9.53× shorter

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

Data and citation

Upstream: Yoran et al., 2024 (EMNLP)