StepFun · Step
Step 3.5 Flash
stepfun/step-3.5-flash
Open flash model for quick reasoning, coding assistance and efficient deployment.
Open weightsReasoningTool callingTemperature
Model specifications
- Context window
- 256K tokens
- Output limit
- 256K tokens
- Release date
- 2026-01-29
- Input modalities
- text
- Output modalities
- text
- Last updated
- 2026-02-13
Provider pricing
USD per 1M tokens. Limits may differ from the underlying model.
Checked 2026-08-06
OpenRouter
stepfun/step-3.5-flash
- Input
- $0.1
- Output
- $0.3
- Context
- 262K
Hugging Face
stepfun-ai/Step-3.5-Flash
- Input
- $0.1
- Output
- $0.3
- Context
- 262K
Promotions, plan quotas, cache pricing and regional taxes are not included. Recheck the provider before purchase.