SWE-agent
SWE-agent is an open-source agent framework for AI-assisted coding, built by Princeton NLP Group. SWE-agent's verified model list is still being expanded, so this page emphasizes runtime shape, pricing, and comparable AI coding harnesses. It's free and open source. Developers import it as a library to build custom agents, wire model calls to tools, and standardize LLM ops across internal automation.
Overview
Research framework and agent for automated software engineering that interfaces AI models with code repositories using custom terminal-like tools.
Featured Model Specs
Underlying Models
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FAQ
What is SWE-agent?
SWE-agent is an open-source agent framework for AI-assisted coding, built by Princeton NLP Group. Developers import it as a library to build custom agents, wire model calls to tools, and standardize LLM ops across internal automation. It is primarily used for LLM ops, custom agent orchestration, and repeatable automation.
How much does SWE-agent cost?
SWE-agent is free and open source. You pay only for the underlying model API usage.
Is SWE-agent open source?
Yes, SWE-agent is open-source software.
What are alternatives to SWE-agent?
Alternatives include Windsurf, Augment Code, and Zed.