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StepFun
4 models · routes through the OpenAI-Compatible adapter
API endpoint
https://api.stepfun.com/v1
Required environment variables
- STEPFUN_API_KEY
Models
| Model | Context | Input | Output | Capabilities |
|---|---|---|---|---|
| step-3.5-flash-2603 | 256k | $0.10 / 1M | $0.30 / 1M | tools, reasoning, open-weights |
| step-3.5-flash | 256k | $0.10 / 1M | $0.29 / 1M | tools, reasoning, open-weights |
| step-1-32k | 33k | $2.05 / 1M | $9.59 / 1M | tools, reasoning |
| step-2-16k | 16k | $5.21 / 1M | $16.44 / 1M | tools, reasoning |
Sourced from models.dev. Pricing reflects the catalog at the time this page was rendered.