OpenSWE

Summary

OpenSWE is the largest fully transparent framework for training software engineering (SWE) agents, comprising 45,320 executable Docker environments across 12.8k repositories with all Dockerfiles, evaluation scripts, and infrastructure open-sourced for reproducibility. Built via a multi-agent synthesis pipeline on a 64-node distributed cluster, it yields ~13,000 curated trajectories from ~9,000 quality-guaranteed environments and produces models (OpenSWE-32B/72B) achieving SOTA among SFT-based methods on SWE-bench Verified (62.4%/66.0%).

Keywords

software-engineering swe-agent code pull-request docker synthetic agent swe-bench

Topics

Code / Software Engineering

Research notes

• Requires accepting conditions and sharing contact info to access. Construction cost ~$891K (environments) + $576K (trajectory sampling/curation). Associated arXiv papers: 2603.13023, 2505.20411, 2506.10954.