Here's how to use MiniMax v2.7 for example: https://platform.minimax.io/docs/token-plan/claude-code

You just add this to your ~/.claude/settings.json:

  {
    "env": {
      "DISABLE_AUTOUPDATER": "1",
      "ANTHROPIC_BASE_URL": "https://api.minimax.io/anthropic",
      "ANTHROPIC_AUTH_TOKEN": "YOUR_SECRET_KEY",
      "API_TIMEOUT_MS": "3000000",
      "CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC": 1,
      "ANTHROPIC_MODEL": "MiniMax-M2.7-highspeed",
      "ANTHROPIC_SMALL_FAST_MODEL": "MiniMax-M2.7-highspeed",
      "ANTHROPIC_DEFAULT_SONNET_MODEL": "MiniMax-M2.7-highspeed",
      "ANTHROPIC_DEFAULT_OPUS_MODEL": "MiniMax-M2.7-highspeed",
      "ANTHROPIC_DEFAULT_HAIKU_MODEL": "MiniMax-M2.7-highspeed"
    }
  }