Step 5 Preview
stepfun/step-5-preview
- context
- 1M
- modalities
- text, image, video → text
- capabilities
- Tool use, Reasoning, Vision, Structured output, Long context
Overview
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...
Providers
- StepFunView StepFun
Access method depends on provider and account setup.
Pricing
| provider | input / 1M | output / 1M |
|---|---|---|
| StepFun | $1.00 | $2.70 |
StepFun
- input / 1M
- $1.00
- output / 1M
- $2.70
Use this model
through Nautili
Route requests to Step 5 Preview through your Nautili gateway using a supported SDK or the Nautili SDK.
Connect your stack to Nautili
Route across supported providers through one control layer.