Models / StepFun / Step 5 Preview
StepFun
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
$0.96 in · $2.74 out
per 1M tokens · first-party price. Reference price from StepFun, the lab's own listing.
Provider input prices run from $0.96 to $1.38 per 1M tokens. Output prices run from $2.70 to $3.71.
- Context
- 1,000,000
- Max output
- 1,000,000
- Cache read
- $0.048
- Cache write
- —
- Reasoning
- Yes
- Tool calls
- Yes
- Structured output
- Yes
- Vision
- Yes
- Open weights
- No
- License
- —
- Released
- Sep 16, 2026
- Updated in source
- Sep 20, 2026
- Knowledge
- —
- Providers
- 14
Providers
| Provider | Input | Output | Cache read | Cache write | Status |
|---|---|---|---|---|---|
| StepFunreference | $0.96 | $2.74 | $0.048 | — | — |
| EmpirioLabs AI | $1.00 | $2.70 | $0.05 | — | — |
| Kilo Gateway | $1.00 | $2.70 | $0.05 | — | — |
| NanoGPT | $1.00 | $2.70 | $0.05 | — | — |
| Novita AI | $1.00 | $2.70 | $0.10 | — | — |
| OpenRouter | $1.00 | $2.70 | $0.05 | — | — |
| StepFun | $1.00 | $2.70 | $0.05 | — | — |
| Vercel AI Gateway | $1.00 | $2.70 | $0.05 | — | — |
| AIHubMix | $1.08 | $3.09 | $0.054 | — | — |
| AI/ML API | $1.38 | $3.71 | $0.069 | — | — |
| OpenCode | $0 | $0 | $0 | — | — |
| OpenCode Go | $0 | $0 | $0 | — | — |
| StepFun Step Plan | — | — | — | — | — |
| StepFun Step Plan | — | — | — | — | — |