{
  "candidates": {
    "IQ4_NL": {
      "bytes": 4526279776,
      "execution_passed": true,
      "mean_kld_nats": {
        "mean": 0.149734,
        "standard_error": 0.003381
      },
      "not_published": true,
      "ppl": 12.48105,
      "ppl_difference": 0.612923,
      "reason": "Only 28,606,464 bytes smaller than Q4_K_S while materially worse in KLD; its small KLD gain over the smaller IQ4_XS was not statistically compelling in this screen.",
      "same_top_percent": 84.522,
      "sha256": "3bc2c89844d293531e074e796cc05e6583d282214b6e43bbba474255705072b0"
    },
    "MXFP4_MOE": {
      "blackwell_benchmark": {
        "artifact_comparison": "Q4_K_S",
        "generation_tokens_per_second": {
          "MXFP4_MOE": 255.307518,
          "Q4_K_S": 277.999794,
          "relative_change_percent": -8.162695
        },
        "prompt_tokens_per_second": {
          "MXFP4_MOE": 6391.33598,
          "Q4_K_S": 5422.155601,
          "relative_change_percent": 17.874448
        },
        "raw_report": "bench-Q4_K_S-vs-MXFP4_MOE.json",
        "repetitions": 5
      },
      "bytes": 4718248800,
      "execution_passed": true,
      "mean_kld_nats": {
        "mean": 0.267021,
        "standard_error": 0.006113
      },
      "not_published": true,
      "ppl": 12.708273,
      "ppl_difference": 0.840146,
      "reason": "Q4_K_S is 163,362,560 bytes smaller and substantially more faithful; MXFP4 improved prompt throughput on this Blackwell GPU but reduced generation throughput.",
      "same_top_percent": 79.424,
      "sha256": "dd23da2994871320d8c7ac0f29859303b3e1e6a24894056b6503c2459aeddf7b",
      "tensor_whitelist_audit": {
        "F32": 215,
        "MXFP4": 69,
        "Q8_0": 242,
        "passed": true,
        "structure_report": "structure-MXFP4_MOE.json"
      }
    }
  },
  "purpose": "Transparent record of generated candidates omitted from the published model-weight frontier"
}