Step 5 Preview
StepFun's next-generation flagship base model for coding and professional knowledge work, with native text, image, and video input and a 1M-token context window
stepfun/step-5-preview- Lab
- StepFun
- Family
- -
- Providers
- 21
- Context
- 1,000,000
- Output limit
- 1,000,000
- Knowledge
- -
- Release
- 2026-09-16
- Updated
- 2026-09-20
- Weights
- Open
- Input
- Output types
- Capabilities
- tools, reasoning, temperature
Providers
21| AI/ML API | StepFun | stepfun/step-5-preview | 1,000,000 | 64,000 | $1.058 / $2.8566 | Yes | Yes | Yes | Yes |
|---|---|---|---|---|---|---|---|---|---|
| AIHubMix | StepFun | step-5-preview | 1,000,000 | 64,000 | $1.08 / $3.0888 | Yes | Yes | Yes | Yes |
| CommandCode | StepFun | stepfun/Step-5-Preview | 1,000,000 | 1,000,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Deep Infra | StepFun | stepfun-ai/Step-5-Preview | 1,048,576 | 1,000,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Eden AI | StepFun | deepinfra/stepfun-ai/Step-5-Preview | 1,048,576 | 1,000,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Eden AI | StepFun | tencent/step-5-preview | 1,000,000 | 1,000,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| EmpirioLabs AI | StepFun | step-5-preview | 1,024,000 | 131,072 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Kilo Gateway | StepFun | stepfun/step-5-preview | 1,000,000 | 64,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| NanoGPT | StepFun | stepfun/step-5-preview | 1,000,000 | 65,536 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Novita AI | StepFun | stepfun/step-5-preview | 1,000,000 | 64,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Nvidia | StepFun | stepfun-ai/step-5-preview | 1,048,576 | 1,048,576 | $0.00 / $0.00 | Yes | Yes | No | Yes |
| OpenCode | StepFun | step-5-preview-free | 1,000,000 | 65,536 | $0.00 / $0.00 | Yes | Yes | Yes | Yes |
| OpenCode Go | StepFun | step-5-preview | 1,000,000 | 65,536 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| OpenCode Go | StepFun | step-5-preview-free | 1,000,000 | 65,536 | $0.00 / $0.00 | Yes | Yes | Yes | Yes |
| OpenRouter | StepFun | stepfun/step-5-preview | 1,048,576 | 64,000 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| Requesty | StepFun | step-5-preview | 1,048,576 | 65,536 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| StepFun (China) | StepFun | step-5-preview | 1,000,000 | 65,536 | $1.0461 / $2.989 | Yes | Yes | Yes | Yes |
| StepFun (Global) | StepFun | step-5-preview | 1,024,000 | 65,536 | $1.00 / $2.70 | Yes | Yes | Yes | Yes |
| StepFun Step Plan (China) | StepFun | step-5-preview | 1,000,000 | 65,536 | - | Yes | Yes | Yes | Yes |
| StepFun Step Plan (Global) | StepFun | step-5-preview | 1,000,000 | 65,536 | - | Yes | Yes | Yes | Yes |
| Vercel AI Gateway | StepFun | stepfun/step-5-preview | 1,048,576 | 1,048,576 | $1.00 / $2.70 | No | No | Yes | Yes |
| No rows match the current search. | |||||||||