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  "model_provenance": {
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          "mcnemar_exact_two_sided_p_exploratory": 1.0,
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        "Qwen3.8 Flash / Luna": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.07031250000000003,
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        "DeepSeek V4.1 Flash / Jev": {
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        "DeepSeek V4.1 Flash / Luna": {
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        "MiMo V2.6 Flash / Luna": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.37500000000000067,
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        "Hy4 Preview / Jev": {
          "direction": "Hy4 Preview minus Jev",
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          "mcnemar_exact_two_sided_p_exploratory": 0.00012207031250000005,
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        "Hy4 Preview / Luna": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.0009765624999999976,
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    "probability": {
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          "expected_cases": 300,
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          "expected_cases": 300,
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        "Qwen3.8 Flash": {
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          "unique_cases": 300,
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          "quality": {
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          "expected_cases": 300,
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        "DeepSeek V4.1 Flash": {
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          "success_rate_wilson95": [
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          "expected_cases": 300,
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        "MiMo V2.6 Flash": {
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          "expected_cases": 300,
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        "Hy4 Preview": {
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          "expected_cases": 300,
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      },
      "comparisons": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.0987371467053885,
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        "Qwen3.8 Flash / Jev": {
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        "Qwen3.8 Flash / Luna": {
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        "DeepSeek V4.1 Flash / Jev": {
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        "DeepSeek V4.1 Flash / Luna": {
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        "MiMo V2.6 Flash / Jev": {
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        "Hy4 Preview / Jev": {
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        "MiMo V2.6 Flash": {
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          "unique_cases": 638,
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            "total_billed_usd": 0.0120966608,
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          "expected_cases": 638,
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        "Qwen3.8 Flash / Jev": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.6936859650244626,
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        "Qwen3.8 Flash / Luna": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.9336249535488005,
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        "DeepSeek V4.1 Flash / Jev": {
          "direction": "DeepSeek V4.1 Flash minus Jev",
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          "mcnemar_exact_two_sided_p_exploratory": 0.8534084458956078,
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        "DeepSeek V4.1 Flash / Luna": {
          "direction": "DeepSeek V4.1 Flash minus Luna",
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          "correctness_pairs": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.3993731868805384,
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        "MiMo V2.6 Flash / Jev": {
          "direction": "MiMo V2.6 Flash minus Jev",
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            "brier_valid_pairs_difference": {
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          "correctness_pairs": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.01754169530120409,
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        "MiMo V2.6 Flash / Luna": {
          "direction": "MiMo V2.6 Flash minus Luna",
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            "brier_valid_pairs_difference": {
              "estimate": -0.03346253840125235,
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          "correctness_pairs": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.12368263020458219,
          "mcnemar_limit": "Treats discordant rows as independent; duplicate passages/shared templates violate that assumption. Do not substitute this test for the passage-cluster intervals.",
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        "Hy4 Preview / Jev": {
          "direction": "Hy4 Preview minus Jev",
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          "correctness_pairs": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.3153033008322539,
          "mcnemar_limit": "Treats discordant rows as independent; duplicate passages/shared templates violate that assumption. Do not substitute this test for the passage-cluster intervals.",
          "model": "Hy4 Preview",
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        "Hy4 Preview / Luna": {
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          "cluster_rule": "Exact identical BoolQ passage; otherwise case identity",
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          "correctness_pairs": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.696467662991644,
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  "experiments": {
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      "expected_cases": 3270,
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        "DeepSeek V4.1 Flash / Luna": {
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        "MiMo V2.6 Flash / Jev": {
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        "MiMo V2.6 Flash / Luna": {
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      "comparisons": {
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        "Qwen3.8 Flash / Luna": {
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        "MiMo V2.6 Flash / Luna": {
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          "mcnemar_exact_two_sided_p_exploratory": 0.37500000000000067,
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        "Hy4 Preview / Jev": {
          "direction": "Hy4 Preview minus Jev",
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          "mcnemar_exact_two_sided_p_exploratory": 0.00012207031250000005,
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        "Hy4 Preview / Luna": {
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    "probability": {
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          "expected_cases": 300,
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          "expected_cases": 300,
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        "Qwen3.8 Flash": {
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          "unique_cases": 300,
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          "quality": {
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          "expected_cases": 300,
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        "DeepSeek V4.1 Flash": {
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          "success_rate_wilson95": [
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          "expected_cases": 300,
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        "MiMo V2.6 Flash": {
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          "expected_cases": 300,
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        "Hy4 Preview": {
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          "expected_cases": 300,
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      },
      "comparisons": {
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        "Qwen3.8 Flash / Jev": {
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            "rmse_valid_pairs_difference": {
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          },
          "model": "Qwen3.8 Flash",
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        "Qwen3.8 Flash / Luna": {
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          "cluster_rule": "Exact identical BoolQ passage; otherwise case identity",
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        "DeepSeek V4.1 Flash / Jev": {
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        "automatic_retries": 0,
        "repeats": 3,
        "warmups_per_model_per_block": 2,
        "unknown_bill_allowance_usd": 0.01,
        "protocol": "Three serial randomized blocks of the same 60 frozen cases, with two warmups per model per block excluded from measured timing. One persistent adapter, nonstreaming full-response latency. No overlapping quality/timing run through this runner.",
        "stop_rule": "Stop new dispatches after 5 consecutive invalid or >=5% invalid after 100 completed calls, overall or per model, in completion order. In-flight attempts are retained.",
        "billing_guard": "Known bills use observed values. Missing bills remain null and retain their reservation, at least $0.01, against the local guard. A local estimate cannot enforce a remote account-level cap.",
        "resume_policy": "Quality only: identical source, adapter, plan and exact request hashes; dispatch journal prevents every attempted sequence from being retried, including lost outcomes.",
        "status": "complete",
        "budget_usd": 1.5,
        "calls_completed": 1116,
        "valid": 1116,
        "invalid": 0,
        "charged_usd": 0.05492202580000004,
        "known_charge_subtotal_usd": 0.05492202580000004,
        "unknown_billing": 0,
        "unknown_billing_guard_usd": 0.0,
        "budget_pending_usd": 0.0,
        "budget_accounted_usd": 0.05492202580000004,
        "budget_stop_reason": null,
        "finished_at": "2026-10-02T17:42:25.413958+00:00",
        "responses_sha256": "7119428ee08d80ac620681f9a9bde1a5da76ffbe003df500b1ca0b968248fd78",
        "attempts_sha256": "a3139a5882c83a2e865ad8eed7dc73f10c0e1dc7e985fc1c5595855bb656c5c6"
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      "responses_sha256": "7119428ee08d80ac620681f9a9bde1a5da76ffbe003df500b1ca0b968248fd78",
      "attempts": 1116,
      "cost_all_attempts": {
        "requests": 1116,
        "known_billed_usd": 0.0549220258,
        "observed_bills": 1116,
        "missing_bills": 0,
        "total_billed_usd": 0.0549220258,
        "usd_per_1000_attempts": 0.04921328476702509
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      "Qwen3.8 Flash",
      "DeepSeek V4.1 Flash",
      "MiMo V2.6 Flash",
      "Hy4 Preview"
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        "expected_cases": 12,
        "case_union": 12,
        "common_complete_cases": 12,
        "excluded_from_common_support": 0,
        "common_case_ids": [
          "boolq-dev-0221",
          "boolq-dev-0519",
          "boolq-dev-0715",
          "boolq-dev-0781",
          "boolq-dev-1124",
          "boolq-dev-1240",
          "boolq-dev-1609",
          "boolq-dev-2142",
          "boolq-dev-2750",
          "boolq-dev-2890",
          "boolq-dev-3044",
          "boolq-dev-3090"
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            "complete_case_count": 12,
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            "complete_case_count": 12,
            "primary_case_median_latency_s": 1.3766149159928318,
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          "DeepSeek V4.1 Flash": {
            "all_attempts": {
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          "Qwen3.8 Flash / Jev": {
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          "Qwen3.8 Flash / Luna": {
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          "MiMo V2.6 Flash / Jev": {
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          "Qwen3.8 Flash / Luna": {
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          "DeepSeek V4.1 Flash / Jev": {
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      "inference": "Exploratory paired percentile intervals over pair_id within fixed blocks, conditional on this session. Different sessions are not pooled."
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  "limitations": [
    "All intervals are exploratory and unadjusted for multiple comparisons. Wilson marginal intervals assume independent rows.",
    "Earlier Jev/Luna quality outputs are reused. Model time windows and providers differ; quality comparison is conditional on the saved observations.",
    "Only the new all-model interleaved timing session supports comparative speed claims. No concurrent bulk timing is pooled into it.",
    "Invalid outputs count as wrong for accuracy. Proper scores require valid probabilities. Missing attempts and missing bills remain explicit.",
    "Public labels can be wrong and may overlap training data. Shared synthetic templates and one-session sampling limit generalization.",
    "Schema equality does not equalize tokenization or internal computation. Reasoning configuration is declared per model; observed counters are audited separately.",
    "Cache sessions are summarized separately. Cost savings depend on verified cache hits, prefix length, reuse and reported billing."
  ]
}
