{
 "round": "two-frontiers-r1",
 "window": {
  "opened_utc": "2026-09-05T14:13:33Z",
  "closed_utc": "2026-09-05T18:15:00Z",
  "_note": "PLAN §2 fence 3: the window is stamped UTC at BOTH ends, here and in the kit's index.json."
 },
 "schema": "s2s-bench-v1",
 "kind": "bill",
 "records_window": {
  "earliest": "2026-09-05T14:03:58Z",
  "latest": "2026-09-05T18:14:35Z",
  "records": 2217,
  "over": "every record the bill counts, all arms and seats",
  "stamp_field": "stamped_utc",
  "arms": {
   "earliest": "2026-09-05T14:03:58Z",
   "latest": "2026-09-05T15:27:59Z",
   "records": 985
  },
  "seats": {
   "earliest": "2026-09-05T14:57:12Z",
   "latest": "2026-09-05T18:14:35Z",
   "records": 1232
  }
 },
 "cost_states": {
  "metered": "billed per token at the CITED rate",
  "plan-included": "$0.00* — the asterisk is load-bearing: a real, unitemizable subscription cost",
  "own-silicon": "no dollar is charged and none is invented",
  "no-figure-held": "a subscription with no per-call figure; the CLI's list-rate estimate prints labelled, never as a receipt"
 },
 "cli-claude-fable-5-1": {
  "cost_state": "no-figure-held",
  "prompt_tokens": 2143884,
  "completion_tokens": 127882,
  "reasoning_tokens": 54066,
  "usd": 31.44,
  "usd_label": "list-rate estimate, not a receipt",
  "records": 242,
  "records_by_leg": {
   "C": 36,
   "probe": 7,
   "A": 199
  },
  "warmups": 1,
  "timed_out_calls": 0,
  "basis": "a subscription-billed account (no per-call receipt exists); the CLI's own total_cost_usd, a LIST-RATE ESTIMATE of what the same tokens would cost on the API, summed; prompt tokens = input + cache_creation + cache_read (prereg A8)",
  "multiplication": "not a multiplication we performed — the CLI's estimate per call, summed"
 },
 "openai-gpt-6-astra": {
  "cost_state": "metered",
  "prompt_tokens": 1572354,
  "cached_prompt_tokens": 559416,
  "completion_tokens": 142086,
  "reasoning_tokens": 92960,
  "usd": 17.79,
  "usd_unrounded": 17.793096,
  "usd_if_no_cache": 22.83,
  "records": 235,
  "records_by_leg": {
   "C": 36,
   "probe": 18,
   "A": 181
  },
  "warmups": 1,
  "timed_out_calls": 0,
  "basis": "the endpoint's own usage counters priced at the cited Standard rate (the roster's pricing_source, read 2026-09-05): input at $10.0/M, cached input at $1.0/M — the endpoint reported 559,416 cached input tokens, priced at that rate — and output at $50.0/M",
  "pricing_read_date": "2026-09-05",
  "multiplication": "1,012,938 uncached in × $10.0/M + 559,416 cached in × $1.0/M + 142,086 out (incl. 92,960 reasoning) × $50.0/M = $17.79. Had none of the input been cached the row would read $22.83"
 },
 "local-gemma4-26b": {
  "cost_state": "own-silicon",
  "prompt_tokens": 2888553,
  "completion_tokens": 96845,
  "reasoning_tokens": 0,
  "usd": null,
  "records": 508,
  "records_by_leg": {
   "C-think-true": 72,
   "C": 36,
   "probe": 2,
   "A": 362,
   "A-rederive": 36
  },
  "warmups": 2,
  "timed_out_calls": 0,
  "basis": "the production seat on the house's own hardware; the endpoint's prompt_eval_count / eval_count; no dollar exists",
  "multiplication": "none"
 },
 "gemma4-31b": {
  "seat": "gemma4-31b",
  "cost_state": "plan-included",
  "prompt_tokens": 609764,
  "completion_tokens": 310047,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "mistral-large-3-675b": {
  "seat": "mistral-large-3-675b",
  "cost_state": "plan-included",
  "prompt_tokens": 616281,
  "completion_tokens": 13444,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "nemotron-3-ultra": {
  "seat": "nemotron-3-ultra",
  "cost_state": "plan-included",
  "prompt_tokens": 618217,
  "completion_tokens": 462314,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "kimi-k3": {
  "seat": "kimi-k3",
  "cost_state": "metered",
  "prompt_tokens": 629545,
  "completion_tokens": 224411,
  "usd": 5.25,
  "usd_unrounded": 5.2548,
  "records": 176,
  "cap_usd": 5,
  "over_cap_usd": 0.25,
  "cap_note": "priced here at the uncached input rate the bill uses, this seat reads $5.25 against its $5 cap; the cap did not fire (no NOT-COLLECTED — CAP cell exists) — a cap allows at most one call's overshoot, and cached input on the shelf bills at a tenth of the rate printed here",
  "basis": "the endpoint's own prompt_eval_count / eval_count priced at the UNCACHED input rate (cached input bills at a tenth and is not reported by the shelf)",
  "multiplication": "629,545 × $3.0/M + 224,411 × $15.0/M = $5.25"
 },
 "deepseek-v4-pro": {
  "seat": "deepseek-v4-pro",
  "cost_state": "plan-included",
  "prompt_tokens": 404587,
  "completion_tokens": 304921,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "glm-5-3": {
  "seat": "glm-5.3",
  "cost_state": "plan-included",
  "prompt_tokens": 604800,
  "completion_tokens": 775534,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "qwen3-5-397b": {
  "seat": "qwen3.5-397b",
  "cost_state": "plan-included",
  "prompt_tokens": 610690,
  "completion_tokens": 829335,
  "usd": 0.0,
  "usd_label": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)",
  "records": 176,
  "basis": "a plan-included shelf model; the counters are the endpoint's own",
  "multiplication": "none (plan-included)"
 },
 "warmups": {
  "cli-claude-fable-5-1": 1,
  "openai-gpt-6-astra": 1,
  "local-gemma4-26b": 2
 },
 "timed_out_calls": {
  "cli-claude-fable-5-1": 0,
  "openai-gpt-6-astra": 0,
  "local-gemma4-26b": 0
 },
 "metered_total_usd": 23.05,
 "caps": {
  "registered_usd": {
   "A": 25,
   "C": 20,
   "probes": 5,
   "reserve": 10,
   "total": 60
  },
  "seat_caps_usd": {
   "kimi-k3": 5
  },
  "metered_total_usd": 23.05,
  "bound": false,
  "cap_cells_written": 0,
  "sentence": "the round metered $23.05 against registered caps of $60 (Leg A $25 · Leg C $20 · probes $5 · reserve $10), and 0 cells were filed NOT-COLLECTED — CAP: no cap bound this round",
  "note": "0 NOT-COLLECTED — CAP cells were written in this round"
 },
 "plan_included_note": "$0.00* — no marginal charge, not free: a flat monthly plan whose price is the account's, not this round's; the asterisk is load-bearing (PREREG §9)"
}