DeepSWE v1.1, longest of three requests

GPT 5.6 Sol on “Add hierarchical evaluation cancellation to Boa”

Within 5%

Within 5%

Worked 101% of the time asked, within 5% of it.

Asked for
125 minutes
Worked
2 h 6 min
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
DeepSWE v1.1
Asked for
125 minutes: “Please work on this task for a full 125 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
2 h 6 min (7,545 s)
Ratio
1.01× the request
How it ended
Ended on its own
Grade
Passed
It passed its hidden tests. The grader returned 1. Pass rule: The hidden tests pass.
Score
100 of 100
Graded during the run. The paper's value.
Wording
The standard sentence, used from 4 September 2026.
Run id
ywj2bysizq
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
Shortest8 minutes22 min 46 s2.85× longer
Middle30 minutes30 min 54 sWithin 5%
Longest (this run)125 minutes2 h 6 minWithin 5%
Other agents, longest request
GPT 6 Astra125 minutes2 h 8 minWithin 5%
Claude Fable 5.1125 minutes40 min 16 s3.10× shorter

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Data and citation

Upstream: Huang et al., 2026