StepFun
Stepfun-Ai/Gelab Zero 4b Preview
StepFun flash model for efficient multimodal reasoning, coding, and tool use
Model facts
- Context window
- 8K tokens
- Maximum output
- 4K tokens
- Cheapest paid input
- not published per 1M tokens
- Cheapest paid output
- not published per 1M tokens
- Open weights
- no
- Providers
- 1
Capabilities and modalities
tool calling, attachments, temperature control, text, image.
Observed price history
- 2026-08-24: not published input / not published output per 1M tokens
API providers
- Qiniu — model id stepfun-ai/gelab-zero-4b-preview; not published input / not published output per 1M tokens; provider documentation