Conversation / Quote
Step-3.5-Flash API Price
阶跃星辰 · step-3-5-flash
| Billing | CNY · 百万 tokens |
|---|---|
| Context Window | 131K tokens |
| Modalities | 文本 |
| Deep Thinking | Supported |
| Verified Date | 2026-09-05 |
| Official pricing page | platform.stepfun.com/docs/zh/guides/pricing/details ↗ |
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.
阶跃星辰 Related Models
FAQ
How much does the Step-3.5-Flash API cost?
Input ¥0.7/百万 tokens, output ¥2.1/百万 tokens
How large is the Step-3.5-Flash context window?
131K tokens. Handles long documents, multi-turn conversations and large-scale inputs.
Which input modalities does Step-3.5-Flash support?
文本. Supports deep thinking / reasoning.
What is the approximate monthly cost of Step-3.5-Flash?
Depends on volume: light use (1M input + 300K output per day) ≈ ¥39.9/month; medium (5M + 1.5M) ≈ ¥199.5/month; heavy agents (10M + 3M) ≈ ¥399/month. Cache hits, batch discounts and tiered pricing can lower this further.
How does Step-3.5-Flash compare with peers on value?
阶跃星辰 Step-3.5-Flash is priced low among comparable models; compare against similar models. See the Pricemon market table for a full comparison.
What use cases suit Step-3.5-Flash?
Suited to applications in its domain.The long context supports deep-analysis scenarios.
Does Step-3.5-Flash have a free tier?
Check 阶跃星辰's official pricing page for the latest free quota, trial policy and tiered pricing. Policies differ by vendor and change over time.