Step 3.7 Flash by StepFun demonstrates competitive pricing. View detailed benchmark data including scores across coding, math, reasoning, speed, and cost metrics.
Specifications last checked against the provider on . Benchmark scores carry their own source, linked beside each number.
Coding Benchmarks
Human preference ELO for building things — websites, UI, games, charts, SVG
Design Arena (via OpenRouter)Artificial Analysis composite coding score
Artificial Analysis (via OpenRouter)Human preference ELO for building a working web page from a brief
Design Arena (via OpenRouter)Reasoning Benchmarks
Multi-turn service agent making tool calls under strict policy constraints
OpenRouter (measured)Cost Benchmarks
Cost per 1M cached input tokens — the price that actually applies to a long agent conversation
OpenRouter APIContext Benchmarks
Available from 17 providers
The same model costs different amounts depending on who serves it. You can bring your own key for 4 of these — connect it here.
| Provider | Input / 1M | Output / 1M | Cached in | Context | Your key |
|---|---|---|---|---|---|
| Kenari | $0 | $0 | — | 256K | — |
| Nvidia | $0 | $0 | — | 256K | — |
| UnoRouter | $0 | $0 | — | 256K | — |
| ZenMux | $0 | $0 | — | 256K | — |
| 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 | — |
| Deep Infra | $0.2 | $1.15 | $0.04 | 262K | Supported |
| 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 | Supported |
| Kilo Gateway | $0.2 | $1.15 | $0.04 | 256K | — |
| OpenRouter | $0.2 | $1.15 | $0.04 | 262K | Supported |
| Requesty | $0.2 | $1.15 | $0.04 | 262K | — |
| Vercel AI Gateway | $0.2 | $1.15 | $0.04 | 256K | Supported |
| StepFun Step Plan (China) | — | — | — | 256K | — |
| StepFun Step Plan (Global) | — | — | — | 256K | — |
Step 3.7 Flash — Benchmark Scores Overview
Scores normalized to percentage scale for visual comparison. ELO scores mapped to 0-100 range (1100-1500).
Compare Step 3.7 Flash With
Step 3.7 Flash — Frequently Asked Questions
How much does Step 3.7 Flash cost?
Step 3.7 Flash costs $0.20 per 1M input tokens and $1.1 per 1M output tokens. This makes it one of the more affordable models.
What is the context window of Step 3.7 Flash?
Step 3.7 Flash has a context window of 262K tokens. This determines how much text, conversation history, and code the model can process in a single request.
Who created Step 3.7 Flash?
Step 3.7 Flash was created by StepFun. It is classified as a open source model in our catalogue.
Is Step 3.7 Flash open source?
Yes, Step 3.7 Flash is an open-source model. The model weights are publicly available for download and self-hosting.