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SWE-agent

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Princeton open-source agent for SWE-bench-style issue patches.

SWE-agent is an open-source coding agent from Princeton NLP, designed around the SWE-bench task: given a GitHub issue, produce a patch. It exposes an agent-computer interface (ACI) for editing and navigating repos. The project is research software, with no hosted IDE.

Model support
Multi-model
Deployment
Self-hosted
Open source
Yes
License
MIT
Pricing model
Free
Added / updated
19 Aug 2026 / 19 Aug 2026

swe-agent.com · Docs · Source

Assessment

SWE-agent provides a research-oriented harness for issue-to-patch tasks and SWE-bench-style evaluation. Use it as a baseline or experiment runner; team work runs in another environment. Benchmark scores describe the benchmark distribution; private-monorepo performance remains unknown.

Strengths

  • Public MIT source and a documented agent-computer interface.
  • Native fit for SWE-bench-style issue-to-patch evals.
  • Model runtime remains adopter-provided.

Limitations

  • Research UX; no SSO or audit-log product.
  • Optimized around a benchmark distribution that is not your monorepo.
  • No hosted control plane.

Fields last checked against primary sources on . Pricing and plan names change; check the vendor URL.