Tools
Compare models
Add up to four models via ?models=slug-a,slug-b — or pick from any model page.
| Spec | StepFun |
|---|---|
| Params | 201B |
| Architecture | moe |
| Context | 262K |
| Weights | |
| License | Apache License 2.0 |
| 127 GBest | |
| Cheapest hosted (out/1M) | $1.15 · OpenRouter |
| Released | May 23, 2026 |
