Step 5 Preview: price, context, what it takes
Step 5 Preview from stepfun, as OpenRouter's public list names it: stepfun/step-5-preview. Read 2026-11-06.
Prices are OpenRouter's, in US dollars. For most models that is the vendor's own list price; a vendor selling direct can differ.
- Input, per 1M tokens$1.00
- Output, per 1M tokens$2.70
- Cached input, per 1M tokens$0.100
- Context window1,048,576 tokens
- Longest answer64,000 tokens
- Takestext, images, video
- Givestext
- Acceptsreasoning, JSON schema, tools
- Released2026-10-08
- In the list since2026-10-28
One price since 2026-10-28, read 1 times.
| Model | Input, 1M | Output, 1M | Context | Accepts |
|---|---|---|---|---|
| Step 3.5 Flash | $0.100 | $0.300 | 262K | reasoning · tools |
| Step 3.7 Flash | $0.200 | $1.15 | 262K | reasoning · JSON schema · tools |
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