OpenCode

OpenCode is an open-source AI coding assistant with terminal and Web interfaces.

Switch an existing install to AnyRouter

1. Run opencode upgrade to make sure the version is >= v1.14.24.
2. Run opencode.
3. Type /connect in the input box and choose openai.
4. Enter your AnyRouter API Key.
5. Choose the gpt-5.5 model.

Install OpenCode from scratch

1. Install OpenCode

Install or upgrade from the official page (version >= v1.14.24 recommended).

2. Run and configure

• Run opencode.
• Type /connect and choose openai.
• Enter your API Key.
• Choose the gpt-5.5 model.