# Step 3.7 Flash API prices

Step 3.7 Flash — 262k context, 262k max output.
14 metered per-token offers from 18 provider(s), in USD per 1M tokens.
Prices as of 2026-10-04.

| Provider | Input $/1M | Output $/1M | Cache read $/1M | Context |
| --- | --- | --- | --- | --- |
| StepFun (China) | $0.185 | $1.11 | $0.037 | 256k |
| StepFun (Global) | $0.185 | $1.11 | $0.037 | 256k |
| Ambient | $0.19 | $1.14 | $0.03 | 262k |
| Eden AI | $0.2 | $1.15 | $0.04 | 262k |
| EmpirioLabs AI | $0.2 | $1.15 | $0.04 | 256k |
| Hugging Face | $0.2 | $1.15 | — | 262k |
| Kilo Gateway | $0.2 | $1.15 | $0.04 | 256k |
| DevPass (LLM Gateway) | $0.2 | $1.15 | $0.04 | 262k |
| LLM Gateway | $0.2 | $1.15 | $0.04 | 262k |
| OpenRouter | $0.2 | $1.15 | $0.04 | 262k |
| Requesty | $0.2 | $1.15 | $0.04 | 262k |
| Vercel AI Gateway | $0.2 | $1.15 | $0.04 | 256k |
| ZenMux | $0.2 | $1.15 | — | 256k |
| AIHubMix | $0.22 | $1.32 | $0.044 | 256k |

## Summary

- Cheapest input: $0.185 per 1M tokens (StepFun (China))
- Cheapest output: $1.11 per 1M tokens (StepFun (China))
- First-party: not listed separately
- Free offers: Kenari, Kenari, UnoRouter, ZenMux
- Subscription plans (not per-token): StepFun Step Plan (Global), StepFun Step Plan (China)
- Released: 2026-05-29
- Inputs: image, text, video

## FAQ

### What is the cheapest Step 3.7 Flash API?

As of Oct 4, 2026, StepFun (China) has the lowest Step 3.7 Flash output price at $1.11 per 1M tokens, and StepFun (China) has the lowest input price at $0.185 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.

### How many providers offer Step 3.7 Flash?

18 providers list Step 3.7 Flash on Sovyron; 14 of them sell it at a metered per-token price.

### Is Step 3.7 Flash free?

4 provider(s) list a free-tier offer: Kenari, Kenari, UnoRouter, ZenMux. Free tiers usually have rate limits.

### What is the context window of Step 3.7 Flash?

Step 3.7 Flash supports a 262k-token context window and up to 262k output tokens.

HTML page: https://sovyron.com/models/step-3-7-flash/
Full dataset: https://sovyron.com/data/catalog.json