StepFun open-sources Step Code v0.1.0 under the MIT License

StepFun has open-sourced Step Code v0.1.0 under the MIT License. The CLI handles a development loop in one place, from reading and editing code to running tests and shipping, and it can publish a static site with one command through StepPage.

StepFun reports 80.9% on Terminal-Bench 2.1 in its evaluation and 73.3% on Multi-Frame, its 150-task long-horizon benchmark. The source code is in the Step-Code repository on GitHub.