SWE-agent is completely free with 7 features included. No paid tiers offered, making it perfect for budget-conscious users.
Yes, SWE-agent is completely free and open-source. The only costs are LLM API fees from your chosen provider (OpenAI, Anthropic, etc.), or $0 if you use locally-hosted models.
Mini-swe-agent is a radically simplified version of SWE-agent written in approximately 100 lines of Python. It achieves 65% on SWE-bench Verified — matching the full SWE-agent's performance — and is now the team's recommended starting point for most users.
Claude Sonnet 4 and GPT-4o deliver the best results. The team's own SWE-agent-LM-32b achieves open-weights state-of-the-art. Local models work but typically produce lower success rates on complex issues.
Yes, SWE-agent works with any Git repository — public or private. For private repos, configure a GitHub token with appropriate access permissions in the agent configuration.
SWE-agent is free and open-source while Devin costs $500+/month. SWE-agent focuses specifically on GitHub issue resolution with transparent, auditable operation, while Devin offers a broader but proprietary autonomous developer experience.
It's completely free — no credit card required.
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Last verified March 2026