StepFun
Maker of the Step family of models.
StepFun is a Chinese AI lab developing the Step family of multimodal foundation models, available through inference providers.
stepfun.comCall StepFun models through Opper with one API key. Sign up without a credit card.
Models from StepFun
| Model | Context | Zero data retention | Training | Region | Provider | Input | Output |
|---|---|---|---|---|---|---|---|
| 262K | No | US | Novita | $0.20 | $1.15 | ||
| 1M | No | Multi | Tencent Cloud | $1.00 | $2.70 |
Release timeline
Every dated StepFun release, newest first — 1 of 4 run on the Opper gateway today. Releases without a published date aren't listed. See the AI model release tracker.
4 releases in the last 12 months112 days median gap13–116 days range
Not currently available
StepFun models without a live gateway route right now. Their pages stay up for reference — contact us if you'd like one added or brought back.