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Step-5-Preview API Price
StepFun · step-5-preview
| Billing | CNY · 1M tokens |
|---|---|
| Context Window | 1000K tokens |
| Modalities | Text / Image |
| Deep Thinking | Supported |
| Verified Date | 2026-09-22 |
| Official pricing page | platform.stepfun.com/docs/zh/guides/pricing/details ↗ |
Source text: the note below is the model's official text, kept in its original Chinese and not translated.
2026-09-21 由Alibaba Bailian以 stepfun/step-5-preview 上架(官方《模型上下架与更新》标注:600B 总参/27B 激活稀疏 MoE、支持 1M Token 上下文窗口和视觉输入、模型类型含文本生成/深度思考/视觉理解,面向 AI 编程、软件工程与 Agentic task);官方定价页 https://platform.stepfun.com/docs/zh/guides/pricing/details 「多模态推理大模型」表:输入(缓存未命中)7 元、缓存命中 0.35 元、输出 20 元每百万 tokens。
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Monthly Cost Estimate
30 days · no cache hits · list price
Free quotas, tiered pricing, batch discounts, and time-based pricing are not included; refer to official bills.
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FAQ
How much does the Step-5-Preview API cost?
Input ¥7/1M tokens, output ¥20/1M tokens
How large is the Step-5-Preview context window?
1000K tokens. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Step-5-Preview support?
Text / Image. Supports deep thinking / reasoning.
What is the approximate monthly cost of Step-5-Preview?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥390/month; medium (5M + 1.5M) ≈ ¥1,950/month; heavy agents (10M + 3M) ≈ ¥3,900/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Step-5-Preview compare with peers on value?
StepFun Step-5-Preview is competitively priced among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Step-5-Preview?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does Step-5-Preview have a free tier?
Check StepFun's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.