Step 3.7 Flash is a drop-in — except for one endpoint detail
StepFun has released Step 3.7 Flash, an upgraded version of its 3.5 Flash model, featuring a new vision encoder and an automatic "Advisor Mode" that escalates complex tasks to larger models. This update aims to improve performance consistency, narrowing the variance in output quality across different tasks. The model is compatible with OpenAI's SDK, with a key change being the strict requirement for an exact regional base URL to avoid silent errors. AI
IMPACT This release offers improved performance consistency and new features like native vision processing, potentially impacting the development of coding agents and other AI applications.