{
  "models": [
    {
      "slug": "cx/gpt-5.6-sol",
      "display_name": "GPT-5.6-Sol",
      "description": "Highest quality Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balances speed and reasoning depth for everyday tasks" },
        { "effort": "high", "description": "Greater reasoning depth for complex work" },
        { "effort": "xhigh", "description": "Extra high reasoning depth for complex work" },
        { "effort": "max", "description": "Maximum reasoning depth for the hardest tasks" },
        { "effort": "ultra", "description": "Maximum reasoning with automatic task delegation" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 1,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": true
    },
    {
      "slug": "cx/gpt-5.6-terra",
      "display_name": "GPT-5.6-Terra",
      "description": "Balanced everyday Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balances speed and reasoning depth for everyday tasks" },
        { "effort": "high", "description": "Greater reasoning depth for complex work" },
        { "effort": "xhigh", "description": "Extra high reasoning depth for complex work" },
        { "effort": "max", "description": "Maximum reasoning depth for the hardest tasks" },
        { "effort": "ultra", "description": "Maximum reasoning with automatic task delegation" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 2,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": true
    },
    {
      "slug": "cx/gpt-5.6-luna",
      "display_name": "GPT-5.6-Luna",
      "description": "Fast repeatable-task Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balances speed and reasoning depth for everyday tasks" },
        { "effort": "high", "description": "Greater reasoning depth for complex work" },
        { "effort": "xhigh", "description": "Extra high reasoning depth for complex work" },
        { "effort": "max", "description": "Maximum reasoning depth for the hardest tasks" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 3,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": true
    },
    {
      "slug": "cx/gpt-5.6-sol-review",
      "display_name": "GPT-5.6-Sol Review",
      "description": "Review-focused Sol variant through KRouter.",
      "default_reasoning_level": "high",
      "supported_reasoning_levels": [
        { "effort": "medium", "description": "Balanced review quality" },
        { "effort": "high", "description": "Stronger reasoning for code review" },
        { "effort": "xhigh", "description": "Deep review and analysis" },
        { "effort": "max", "description": "Maximum review depth" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 4,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": true
    },
    {
      "slug": "cx/gpt-5.5",
      "display_name": "GPT-5.5",
      "description": "Stable legacy Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balances speed and reasoning depth for everyday tasks" },
        { "effort": "high", "description": "Greater reasoning depth for complex work" },
        { "effort": "xhigh", "description": "Extra high reasoning depth for complex work" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 4,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": false
    },
    {
      "slug": "cx/gpt-5.4",
      "display_name": "GPT-5.4",
      "description": "Stable general-purpose Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balanced reasoning" },
        { "effort": "high", "description": "Deeper reasoning for hard tasks" },
        { "effort": "xhigh", "description": "Maximum depth" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 6,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": false
    },
    {
      "slug": "cx/gpt-5.4-mini",
      "display_name": "GPT-5.4-Mini",
      "description": "Lightweight fallback Codex model through KRouter.",
      "default_reasoning_level": "medium",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses with lighter reasoning" },
        { "effort": "medium", "description": "Balances speed and reasoning depth for everyday tasks" },
        { "effort": "high", "description": "Greater reasoning depth for complex work" },
        { "effort": "xhigh", "description": "Extra high reasoning depth for complex work" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 5,
      "context_window": 272000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 272000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": false
    },
    {
      "slug": "cx/gpt-5.3-codex-spark",
      "display_name": "GPT-5.3 Codex Spark",
      "description": "Legacy fast Codex model through KRouter.",
      "default_reasoning_level": "low",
      "supported_reasoning_levels": [
        { "effort": "low", "description": "Fast responses" },
        { "effort": "medium", "description": "Balanced responses" },
        { "effort": "high", "description": "More depth" }
      ],
      "shell_type": "shell_command",
      "visibility": "list",
      "supported_in_api": true,
      "priority": 7,
      "context_window": 128000,
      "base_instructions": "",
      "support_verbosity": true,
      "truncation_policy": { "mode": "tokens", "limit": 128000 },
      "supports_parallel_tool_calls": true,
      "experimental_supported_tools": [],
      "input_modalities": ["text", "image"],
      "supports_search_tool": true,
      "include_skills_usage_instructions": true,
      "use_responses_lite": false
    }
  ]
}