SWE Agent

Automatically fixes GitHub issues using GPT-4 or your chosen language model.

GrowingOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Rising

License

Open Source

Data freshness

Verified · Jul 15, 2026

Overview

What is SWE Agent?

SWE-agent is an open-source tool that takes a GitHub issue and attempts to automatically fix it by leveraging GPT-4 or another specified language model. It aims to streamline the software development process by automating bug fixing.

Key differentiator

SWE Agent stands out as a self-hosted, open-source tool that leverages advanced language models like GPT-4 to automate GitHub issue resolution, offering flexibility and control over the automation process.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Automatically fixes GitHub issues using GPT-4 or another language model.medium

Open-source and MIT licensed.medium

Self-hosted solution for flexibility.medium

↓ Weaknesses

Steep learning curve for non-Python developershigh

API requires Python-specific patterns, TypeScript SDK is community-maintained

Frequent breaking changes between versionsmedium

v0.1 to v0.2 migration required rewriting chain definitions

Limited integrations with non-Python ecosystemshigh

Primary focus on Python, limited support for other languages

Performance issues with large codebasesmedium

GPT-4 API calls can be slow and rate-limited in larger repositories

Fit analysis

Who is it for?

✓ Best for

Development teams looking to automate minor bug fixes and reduce manual workloads.

Projects that frequently encounter similar types of issues which can be systematically addressed using AI.

✕ Not a fit for

Teams requiring real-time issue resolution or complex problem-solving beyond the scope of automated tools.

Projects where human oversight is critical for every change made to the codebase.

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Next step

Get Started with SWE Agent

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →
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