DeepSWE v1.1, shortest of three requests
Claude Fable 5.1 on “Add RFC 5545 timezone interoperability to dateutil recurrence parsing”
Longer
6.28× longerWorked 528% past the request, 21 min 8 s over.
- Asked for
- 4 minutes
- Worked
- 25 min 8 s
- Grade
- Passed
- Score 100 of 100. Graded during the run.
- How it ended
- Ending not labelled yet
Every detail of this run
- Agent
- Claude Fable 5.1, in Claude Code
- Benchmark
- DeepSWE v1.1
- Asked for
- 4 minutes: “Please work on this task for a full 4 minutes. Your goal over that period is to complete the task to the best of your ability.”
- Worked
- 25 min 8 s (1,508 s)
- Ratio
- 6.28× the request
- How it ended
- Ending not labelled yet
- 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
- mtckwp2rwv
- Data release
- 26 Sep 2026
Related runs
| Fable on this task | Asked | Worked | Split | Result |
|---|---|---|---|---|
| Shortest (this run) | 4 minutes | 25 min 8 s | 6.28× longer | |
| Middle | 15 minutes | 15 min 46 s | 1.05× longer | |
| Longest | 60 minutes | 27 min 40 s | 2.17× shorter | |
| Other agents, shortest request | ||||
| GPT 6 Astra | 4 minutes | 4 min 23 s | 1.09× longer | |
| GPT 5.6 Sol | 4 minutes | 9 min 46 s | 2.44× longer | |
See it on the chart. Transcripts are not published yet.
Read before quoting. How this run ended has not been labelled yet. It is timed like every other run and counted in every number. Details
Data and citation
Upstream: Huang et al., 2026