BiWu.AiStep 3.7 Flash API Pricing
Step 3.7 Flash is a StepFun model. On the official StepFun API, it costs CN¥1.35 per 1M input tokens and CN¥8.10 per 1M output tokens, with cached input at CN¥0.27. BiWu.Ai lists 5 price options for this model below.
Prices checked Oct 10, 2026 · Exchange rates Oct 10, 2026
Input / 1M tokens
CN¥1.35
≈ $0.20
Output / 1M tokens
CN¥8.10
≈ $1.21
Cached input / 1M
CN¥0.27
≈ $0.04
Providers and plans
5
Official Step 3.7 Flash API price
Source: StepFun API. Prices per 1 million tokens.
| Token type | Price per 1M tokens |
|---|---|
| Input | CN¥1.35 (≈ $0.20) |
| Output | CN¥8.10 (≈ $1.21) |
| Cached input (cache read) | CN¥0.27 (≈ $0.04) |
Step 3.7 Flash prices by provider
Per-token prices listed for this model by the official API and other providers, per 1M tokens.
| Provider | Type | Input | Output | Cached input |
|---|---|---|---|---|
| StepFun API | Official API | CN¥1.35 (≈ $0.20) | CN¥8.10 (≈ $1.21) | CN¥0.27 (≈ $0.04) |
Subscription and coding plans that include Step 3.7 Flash
Monthly plans with a usage allowance instead of per-token billing. CN¥ prices are converted to US dollars at the current exchange rate. Quotas and limits differ, so check each plan's official page.
| Provider | Plan | Type | Monthly price | Prices by country |
|---|---|---|---|---|
| StepFun Step Plan | Flash Max | Subscription plan | ≈ $104.23/month (CN¥699) | — |
| StepFun Step Plan | Flash Mini | Subscription plan | ≈ $7.31/month (CN¥49) | — |
| StepFun Step Plan | Flash Plus | Subscription plan | ≈ $14.76/month (CN¥99) | — |
| StepFun Step Plan | Flash Pro | Subscription plan | ≈ $29.67/month (CN¥199) | — |
Step 3.7 Flash API pricing FAQ
How much does Step 3.7 Flash cost per 1M tokens?
On the official StepFun API, Step 3.7 Flash costs CN¥1.35 (about $0.20) per 1M input tokens and CN¥8.10 (about $1.21) per 1M output tokens. Cached input costs CN¥0.27 per 1M tokens. Prices checked Oct 10, 2026.
How much does prompt caching save on Step 3.7 Flash?
Cached input is billed at CN¥0.27 per 1M tokens, 80% less than the standard input price of CN¥1.35.
What does a typical Step 3.7 Flash API request cost?
A request with 10,000 input tokens and 1,000 output tokens costs about CN¥0.022 at the official rates (CN¥1.35 × 0.01 + CN¥8.10 × 0.001).
Where else can I use Step 3.7 Flash?
Besides the official API, BiWu.Ai lists 1 other provider for Step 3.7 Flash: StepFun Step Plan. Prices, quotas and terms differ by provider, so check each provider's page before you pay.
BiWu.Ai lists public API prices for reference and does not sell API access. Free and low-cost providers may have rate limits, queues, regional restrictions or changing terms. Check the provider's pricing page before you build on it.