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Step Plan subscriptions work with Step Code and third-party tools.

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Step Code

  • Step Code: StepFun’s terminal-based AI agent; use subscription login to call Step models with Step Plan quota.

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Other Terminal Tools (CLI / TUI)

  • Claude Code: Connect Step models through the Messages API, with configurable reasoning effort and a 1M context window.
  • Codex CLI: Connect Step models through a custom provider.
  • OpenClaw: Enter the Step Plan endpoint and API key in a custom provider.
  • OpenCode: Set OPENAI_BASE_URL to https://api.stepfun.ai/step_plan/v1 to call Step models with Step Plan quota.
  • Pi: Connect Step models through the Anthropic Messages protocol; the Oh My Pi workflow extension reuses the same model configuration and adds task categories, specialist roles, and skills.
  • Goose: Connect Step models through the OpenAI-compatible API.
  • Hermes Agent: Select StepFun Step Plan during configuration and add your API key, then work from a terminal TUI or messaging platforms such as Telegram.

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Editors and IDEs

  • Cursor: Turn on Override OpenAI Base URL to call Step models in Chat and Agent.
  • Cline: Select the StepFun Step Plan provider to connect Step models.
  • CodeGPT: Connect Step Plan through the Custom provider OpenAI-compatible interface.
  • Kilo Code: Connect Step models through the Step Plan provider.
  • Roo Code: Connect Step Plan through the OpenAI Compatible provider.
  • Zed: Configure a custom API endpoint for Step models.

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Desktop Clients

  • Cherry Studio: Add a Step API key and provider to call Step models from the desktop client.
  • DeepSeek Harness: DeepSeek’s open-source agent harness; add a custom provider in the local Web UI to connect Step 5 Preview.