ST
StepFun: Step 5 Preview
$1.00/M input$2.70/M output
stepfun/step-5-previewDescription
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...
Quick Start
bash
curl https://router.tangle.tools/v1/chat/completions \
-H "Authorization: Bearer $TANGLE_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "stepfun/step-5-preview",
"messages": [{"role": "user", "content": "Hello!"}]
}'Modalities
Input: TextInput: ImageInput: VideoOutput: Text