{
    "selected_api": "gemini",
    "gemini": {
        "api_key": "",
        "model": "gemini-2.5-flash-lite-preview-09-2025",
        "chunk_size": 20000
    },
    "g4f": {
        "model": "gpt-4o-mini",
        "chunk_size": 2000
    }
}