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Model details
StepFun: Step 3.5 Flash
Find out what this model does, when it was released, and which provider serves it.
Kilo Gatewaystepfun/step-3.5-flash
Quick Info
- Provider
- Kilo Gateway
- Model key
- stepfun/step-3.5-flash
- Release date
- Jan 29, 2026
- Last updated
- Jan 29, 2026
- Knowledge
- Unknown
- Input modalities
- text
- Output modalities
- text
- Capabilities
- Reasoning, Tool calling, Open weights, Temp controls
- Cost summary
- In $0.10 · Out $0.30
- Limit summary
- 256,000 token context window
Cost
- Input token cost
- $0.10
- Output token cost
- $0.30
Limits
- Output tokens
- 256,000 tokens
- Context window
- 256,000 tokens