Step 5 Preview
AvailableStep 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
- 1M tokens
- Max output
- 64K tokens
- Input / 1M tokens
- $1.00per 1M tokens
- Output / 1M tokens
- $2.70per 1M tokens
- Listed since
- Oct 8, 2026
Prices and model data from OpenRouter
Where it's availableProviders · 1
| Provider | Input / 1M tokens | Output / 1M tokens | Status |
|---|---|---|---|
| OpenRouter | $1.00 | $2.70 | Available |
Published benchmark results
From independent leaderboards, each credited to its publisher.