StepFun: Step 3.7 Flash - API in Egypt, billed in EGP

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stepfunstep-3.7-flash

Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters

Modality

Chat

Context window

256K tokens

Max output

230K tokens

Region

US

Published

29 Sept 2026

Pricing

Input

11.46

EGP per 1M tokens

Output

65.90

EGP per 1M tokens

Monthly cost example

1,561.47 EGP

Illustrative estimate: 50M input + 15M output tokens per month at this model's catalog rates.

Use it via the API

StepFun: Step 3.7 Flash works with any OpenAI-compatible SDK — point the base URL at https://dev-backend.sovereigneg.com/v1 and use your SovereignEG API key.

Run inference

OpenAI-compatible — POST /v1/chat/completions — drop-in for any OpenAI SDK.

from openai import OpenAI

client = OpenAI(
    base_url="https://dev-backend.sovereigneg.com/v1",
    api_key="YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="step-3.7-flash",
    messages=[
        {"role": "user", "content": "What are some fun things to do in Cairo?"}
    ],
)

print(response.choices[0].message.content)

Frequently asked questions

How much does StepFun: Step 3.7 Flash cost?

11.46 EGP per 1M input tokens; 65.90 EGP per 1M output tokens. Billing is metered per token in Egyptian pounds (EGP), with no minimum commitment.

What is the context window of StepFun: Step 3.7 Flash?

StepFun: Step 3.7 Flash supports a context window of 256,000 tokens (256K), with up to 230,400 output tokens per response.

Where is StepFun: Step 3.7 Flash hosted?

StepFun: Step 3.7 Flash is served from US (US-hosted inference).

How do I use StepFun: Step 3.7 Flash via the API?

StepFun: Step 3.7 Flash is available through the OpenAI-compatible SovereignEG API: point your SDK's base URL at https://dev-backend.sovereigneg.com/v1 and call /v1/chat/completions with model "step-3.7-flash" and your API key.