Step3

About Step3

Step is StepFun AI's model series, delivering strong performance on general language tasks. The models excel at conversation, reasoning, and content generation. Step demonstrates StepFun's advancement in language model development. For developers seeking capable AI from StepFun, the series offers reliable performance.

Model Specifications

💰 Real-World Cost Examples

Estimated monthly costs for common use cases

Other Model Lineup

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🚀 Quick Start

Get started with Step3 API

from openai import OpenAI

client = OpenAI(
    base_url="https://api.provider.com/v1",
    api_key="YOUR_API_KEY"
)

response = client.chat.completions.create(
    model="stepfun-ai/step3",
    messages=[
        {"role": "user", "content": "Hello!"}
    ]
)
print(response.choices[0].message.content)

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