OpenCode

export LINKMODEL_API_KEY="<YOUR_API_KEY>"

{
  "$schema": "https://opencode.ai/config.json",
  "model": "linkmodel/gpt-5.3-codex",
  "providers": {
    "linkmodel": {
      "name": "LinkModel",
      "env": ["LINKMODEL_API_KEY"],
      "package": "@opencode-ai/ai/providers/openai-compatible",
      "settings": {
        "baseURL": "https://api.linkmodel.ai/v1"
      },
      "models": {
        "gpt-5.3-codex": {
          "name": "GPT-5.3 Codex",
          "modelID": "gpt-5.3-codex",
          "capabilities": {
            "tools": true,
            "input": ["text"],
            "output": ["text"]
          }
        },
        "claude-opus-4-7": {
          "name": "Claude Opus 4.7",
          "modelID": "claude-opus-4-7",
          "capabilities": {
            "tools": true,
            "input": ["text"],
            "output": ["text"]
          }
        },
        "deepseek-v4-pro": {
          "name": "DeepSeek V4 Pro",
          "modelID": "deepseek-v4-pro",
          "capabilities": {
            "tools": true,
            "input": ["text"],
            "output": ["text"]
          }
        }
      }
    }
  }
}

opencode