Step
2 variants tracked. Compare specs, pricing, and capabilities side by side.
StepFun: Step 3.5 Flash (free)
Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only...
stepfun-ai/Step-3.5-Flash-FP8
Track the full Step family in AIniverse
Side-by-side comparisons, real ratings, get notified when a new version drops.
Open in App