Formerly OpenDevin — the autonomous AI software engineer that runs in a docker sandbox and ships PRs. Costs match the ambition.
OpenHands runs in a sandboxed docker, navigates the browser, executes shell, plans/replans, and self-corrects. SWE-bench-grade work means tens of turns per task. A single benchmark run can cost $5-20.
Sign up (free, no card), then generate an sk-cc-… key from your dashboard.
In OpenHands UI: Settings → LLM → Custom Provider.
Provider: Anthropic
API Key: sk-cc-your-key-here
Base URL: https://claudeapi.cheap/api/proxy
Model: claude-sonnet-4-6OpenHands keeps every feature. Only the API endpoint changed — your prompts, tools, and behaviour are unchanged.
OpenHands recommended default
Hard SWE-bench tasks, refactors
OpenAI-format alternative if you want to A/B
Yes. OpenHands accepts custom base URLs and API keys for both Anthropic and OpenAI providers. Set them in the LLM settings panel.
Yes. Those run client-side in OpenHands' runtime. We only see LLM API calls.
Yes. The model behaves identically — same temperatures, same tools, same context. The only diff is your invoice.
Free Basic plan, $19 lifetime Pro. Crypto only. No subscription.
Get an API key — free