StepFun: Step 5 Preview
stepfun
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...
- Context window
- 1,048,576 tokens
- Input cost
- $1.00 / 1M
- Output cost
- $2.70 / 1M
- Latency (p50)
- —
