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Cherry Studio is a desktop AI client that supports multiple model providers and offers capabilities such as conversation, code generation, and text generation. By configuring a StepFun API key, Cherry Studio can connect directly to Step models, bringing inference capabilities right into your desktop workflow. This guide covers the prerequisites, configuration steps, and basic testing process for connecting Cherry Studio to the StepFun API.

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Overview

Cherry Studio is well-suited for handling multi-model conversations and development tasks from a unified desktop workspace. Once the provider is configured, you can call Step models directly from the client.

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Prerequisites

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System Requirements

Cherry Studio is available on:
  • macOS
  • Windows
  • Linux
We recommend using the latest version of Cherry Studio.

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Install Cherry Studio

Download the installer from the Cherry Studio website. Launch Cherry Studio after installation.

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Subscribe to Step Plan

Before configuring the provider, make sure your account has an active Step Plan subscription. Model calls and quota usage will only work correctly once your account has the appropriate plan. To subscribe, visit: Step Plan subscription

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Get Your StepFun API Key

Go to the Step Platform Console to create an API key. Copy and store it securely.

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Configuration

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Add the Provider

Open Cherry Studio and navigate to the model configuration screen:
  1. In the model provider list, select StepFun.
  2. Enter your StepFun API Key.
  3. In the API URL field, enter:
https://api.stepfun.ai/step_plan/v1
  1. Save the configuration.
  2. Add a Step 3.5 Flash model (step-3.5-flash-2603 or step-3.5-flash).
Click + Add, then fill in the following fields in the dialog:
  • Model ID: <model_id>
  • Model Name: Step 3.5 Flash 2603 or Step 3.5 Flash
  • Group Name: Step 3.5 (or any suitable group name)
Note: In the examples below, replace <model_id> with either step-3.5-flash-2603 or step-3.5-flash.
Click Add Model to save.

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Test the Connection

Click the Test button next to the API key field. If it reports success, the setup is complete. If you see an error, double-check that both the API key and the base URL are entered correctly.