Licensed and settlement-related book corpora for foundation model training

{
    "object_type": "df_transaction_reference",
    "event_type": "AI_TRAINING_DATA_SETTLEMENT",
    "buyer": "Anthropic",
    "seller": "Various publishing and book rights holders",
    "asset_description": "Licensed and settlement-related book corpora for foundation model training",
    "reported_price": "~$1,500,000,000 (referenced)",
    "confidence": "Medium",
    "region": "Global",
    "_attribution": {
        "source": "DatFlash",
        "publisher": "DataUniversa",
        "retrieved": "2025",
        "note": "Observed transaction reference. No normalization or appraisal applied."
    }
}