StepFun
Explore 4 StepFun models used in OpenCode including Step 5 Preview, Step 3.7 Flash, and Step 3.5 Flash 2603. Compare recent token usage, context windows, release dates, and model data.
Usage. Daily token volume.
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Recent token usage appears here once this lab has activity.
Models. Recent usage and limits.
ModelsUsageShareContextOutputRelease
Step 5 Preview--1M1MSep 16, 2026Step 3.7 Flash--256K256KMay 29, 2026Step 3.5 Flash 2603--256K256KApr 2, 2026Step 3.5 Flash--256K256KJan 29, 2026StepFun Model Comparisons. Model pairs from this lab.
Most-used lab pairStep 5 Preview vs Step 3.7 FlashStep 5 Preview·Step 3.7 FlashLab alternativeStep 5 Preview vs Step 3.5 Flash 2603Step 5 Preview·Step 3.5 Flash 2603Adjacent lab pairStep 3.7 Flash vs Step 3.5 Flash 2603Step 3.7 Flash·Step 3.5 Flash 2603Same lab pairStep 3.5 Flash 2603 vs Step 3.5 FlashStep 3.5 Flash 2603·Step 3.5 Flash