DeepSWE v1.1, middle of three requests

GPT 5.6 Sol on “Add session bundle recording and replay to IPython”

Within 5%

Within 5%

Worked 103% of the time asked, within 5% of it.

Asked for
15 minutes
Worked
15 min 27 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
DeepSWE v1.1
Asked for
15 minutes: “Please work on this task for a full 15 minutes. Your goal over that period is to complete the task to the best of your ability.”
Worked
15 min 27 s (927 s)
Ratio
1.03× 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
lgo4lzvetq
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
Shortest4 minutes13 min 13 s3.30× longer
Middle (this run)15 minutes15 min 27 sWithin 5%
Longest60 minutes1 h 1 minWithin 5%
Other agents, middle request
GPT 6 Astra15 minutes15 min 24 sWithin 5%
Claude Fable 5.115 minutes12 min 40 s1.18× shorter

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Data and citation

Upstream: Huang et al., 2026