# Step 5 Preview

Model tracker · checked 2026-10-14 · https://dbggr.dev/models/step-5-preview/

Step 5 Preview is an everyday model from StepFun. It's in preview. At StepFun it costs $1.00 per million input tokens and $2.70 per million output tokens, with a 1M-token context window. 2 providers serve it; the cheapest is Novita AI at $1.00 input and $2.70 output.

- Made by: StepFun
- Status: Preview
- Tier: Everyday
- Weights: Closed
- Context window: 1,000,000 tokens
- Max output: 64,000 tokens
- Input: text, image, video
- API id: step-5-preview
- Docs: https://platform.stepfun.ai/docs/en/guides/models/step-5-preview

## Step 5 Preview price at 2 providers

US dollars per million tokens. Blended is 3 input tokens for every output token, one number to compare on. The cheapest blended price is highlighted.

| Provider | Input | Output | Cached input | Blended | Batch | Checked |
|---|---|---|---|---|---|---|
| Novita AI | $1.00 | $2.70 | $0.10 | $1.43 | – | [2026-10-14](https://novita.ai/pricing) |
| StepFun | $1.00 | $2.70 | $0.10 | $1.43 | – | [2026-10-14](https://platform.stepfun.ai/docs/en/guides/pricing/details) |

- StepFun: The cache-miss input price includes writing new content to the cache. Output includes reasoning tokens. Cache-hit price read as $0.05 on 2026-10-09, $0.10 on 2026-10-10.

## Models like Step 5 Preview

| Model | Input | Output | Context | Weights |
|---|---|---|---|---|
| Step 5 Preview | $1.00 | $2.70 | 1M | Closed |
| [DeepSeek V4 Pro](https://dbggr.dev/models/deepseek-v4-pro/) | $1.32 | $3.96 | 1M | Open |
| [Muse Spark 1.3](https://dbggr.dev/models/muse-spark-1-3/) | $1.25 | $4.25 | 1M | Closed |
| [GLM-5.3](https://dbggr.dev/models/glm-5-3/) | $1.40 | $4.40 | 1M | Open |
| [NVIDIA Nemotron 3 Ultra](https://dbggr.dev/models/nvidia-nemotron-3-ultra/) | $0.50 | $2.20 | 256K | Open |
| [Mistral Large 3](https://dbggr.dev/models/mistral-large-3/) | $0.50 | $1.50 | 256K | Open |

## FAQ

### How much does Step 5 Preview cost?

Step 5 Preview costs $1.00 per million input tokens and $2.70 per million output tokens at StepFun, and $0.10 per million cached input tokens. Prices are list prices in US dollars, last checked 14 October 2026.

### What is Step 5 Preview's context window?

Step 5 Preview takes up to 1,000,000 tokens in one request and writes up to 64,000 tokens in one response.

### Is Step 5 Preview open weight?

No. Step 5 Preview is only available through its providers' APIs; StepFun doesn't publish the weights.

### Where can I use Step 5 Preview?

Step 5 Preview is available from Novita AI and StepFun. At StepFun, call it as `step-5-preview`.