StepFun
StepFun API pricing for 2 models. Language models are updated daily with full price history; embeddings, rerank, speech, image, and video carry dated list prices. For the launches and price moves across the market, see the market-events timeline.
| Model | Input | Output | Cached | Context | Released |
|---|---|---|---|---|---|
| Step 3.7 Flash | $0.2 | $1.15 | $0.04 | 256K | May 2026 |
| Step 3.5 Flash | $0.1 | $0.3 | — | 262K | Jan 2026 |