InfinityPacer · Nov 10, 2026 · Nov 10, 2026 · Nov 10, 2026
diff --git a/docs/pricing.md b/docs/pricing.md
@@ -67,7 +67,7 @@ GPT-6.1 Sol 与 Terra 按各自模型页公布的输入、缓存读取、缓存
 
 `codex-auto-review` 没有自己的公布价。OpenAI 把 Codex 的自动评审请求路由到 `gpt-6-luna` 执行，所以这个模型按 luna 的公布费率估值，价格说明里写明了这一路由事实。它是估值的依据说明，不是独立费率条目。
 
-Antigravity 使用的模型同样按官方公开的每百万 token 费率估值，不是 Google AI Ultra 订阅账单。`gemini-4-argon` 与 `gemini-3.8-flash` 采用 Google Gemini API 与 Vertex AI 公布的标准档与 Flex 档价格，按有效日期分段记录促销期与促销结束后的标准费率，官方没有按输入长度分档，未公布按 token 写入单价的缓存写入保留未计价。`claude-opus-5-5` 与 `claude-sonnet-5-5` 使用 Anthropic 官方模型价格，采集器把带思考档位后缀的响应模型名归一到这两个基础模型 ID。`gpt-oss-120b` 采用 Google Cloud Vertex AI Model Garden 公布的 `openai/gpt-oss-120b-maas` 托管价格，该模型未公布缓存读写折扣，含非零缓存读写的记录保留未计价。历史会话中出现的 `claude-opus-4-6-thinking` 是开启思考的 Opus 4.6，思考 token 按输出计价，归一到 `claude-opus-4-6` 并使用其官方费率。
+Antigravity 使用的模型同样按官方公开的每百万 token 费率估值，不是 Google AI Ultra 订阅账单。`gemini-4-carbon`、`gemini-4-argon` 与 `gemini-3.8-flash` 采用 Google Gemini API 与 Vertex AI 公布的标准档与 Flex 档价格，按有效日期分段记录促销期与促销结束后的标准费率，官方没有按输入长度分档，未公布按 token 写入单价的缓存写入保留未计价。`claude-opus-5-5` 与 `claude-sonnet-5-5` 使用 Anthropic 官方模型价格，采集器把带思考档位后缀的响应模型名归一到基础模型 ID（`gemini-4-carbon` 的三档响应名同样归一到 `gemini-4-carbon`）。`gpt-oss-120b` 采用 Google Cloud Vertex AI Model Garden 公布的 `openai/gpt-oss-120b-maas` 托管价格，该模型未公布缓存读写折扣，含非零缓存读写的记录保留未计价。历史会话中出现的 `claude-opus-4-6-thinking` 是开启思考的 Opus 4.6，思考 token 按输出计价，归一到 `claude-opus-4-6` 并使用其官方费率。
 
 未配置的模型不会自动别名到其他模型。网关参考价不是已核实的官方报价，也不能用于推导订阅 Credits。图像与实时模型需要相应媒体 Token 分桶，不能用文本四桶冒充完整费用。
 

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "meterleaf",
-  "version": "0.16.4",
+  "version": "0.16.5",
   "private": true,
   "type": "module",
   "license": "Apache-2.0",

diff --git a/prices/meterleaf-2026-10-30.json b/prices/meterleaf-2026-10-30.json
@@ -2,7 +2,7 @@
   "schemaVersion": 1,
   "id": "meterleaf",
   "supersedes": ["meterleaf-openai"],
-  "version": "2026-10-30.2",
+  "version": "2026-10-30.3",
   "publishedAt": "2026-10-30T00:00:00Z",
   "unit": "per_million_tokens",
   "sources": [
@@ -48,7 +48,7 @@
     "GPT-6.1 Sol and Terra Credits use the Codex token rate card (Standard speed). Fast mode credits are 2x Standard; Ultrafast rates are not configured for text tiers.",
     "Codex records carry no cache TTL split, so GPT-6.1 Terra cache writes use the published 30-minute-retention price; the steeper 12-hour price is not configured separately.",
     "codex-auto-review is not published with its own prices. OpenAI routes Codex automatic reviews to gpt-6-luna, so codex-auto-review usage is estimated with luna published rates. This is an estimate of the routed model, not a distinct price list entry.",
-    "Gemini 4 Argon and Gemini 3.8 Flash use the text rates published on the Gemini API and Vertex AI pricing pages. Both models include the full 1M context window at a single rate with no long-context surcharge, and have no published per-token cache-write rate (context caching storage is billed per hour out of band). Promotional pricing applies through 2026-11-30 for Gemini 4 Argon ($2/$0.10/$10 Standard, $1/$0.05/$5 Flex) and through 2026-12-31 for Gemini 3.8 Flash ($0.75/$0.075/$3.75 Standard, $0.375/$0.0375/$1.875 Flex), with post-promotion rates taking effect on 2026-12-01 and 2027-01-01 respectively.",
+    "Gemini 4 Carbon, Gemini 4 Argon and Gemini 3.8 Flash use the text rates published on the Gemini API and Vertex AI pricing pages. All three models include the full 1M context window at a single rate with no long-context surcharge, and have no published per-token cache-write rate (context caching storage is billed per hour out of band). Promotional pricing applies through 2026-11-30 for Gemini 4 Carbon and Gemini 4 Argon ($2/$0.10/$10 Standard, $1/$0.05/$5 Flex) and through 2026-12-31 for Gemini 3.8 Flash ($0.75/$0.075/$3.75 Standard, $0.375/$0.0375/$1.875 Flex), with post-promotion rates taking effect on 2026-12-01 and 2027-01-01 respectively.",
     "Claude Sonnet 5.5 uses the published Claude API rates ($2 input, $0.10 cache read at 5% of base input, $2.50 5-minute cache write, $4 1-hour cache write, $10 output), with the full 1M context window at standard prices and no published fast tier.",
     "GPT-OSS 120B (openai/gpt-oss-120b-maas on Vertex AI Model Garden) uses the per-token rates published on Google Cloud Model Garden partner models pricing ($0.09 input, $0.36 output). Cache read and cache write rates are not published for this model and remain null."
   ],
@@ -2115,6 +2115,130 @@
         "output": "10"
       }
     },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "1970-01-01T00:00:00Z",
+      "effectiveUntil": "2026-12-01T00:00:00Z",
+      "promotion": {
+        "description": "Promotional pricing published on Gemini API and Vertex AI pricing pages through November 30, 2026.",
+        "confirmedThrough": "2026-11-30"
+      },
+      "currency": "usd",
+      "usdBasis": "subscription",
+      "tier": "standard",
+      "rates": {
+        "input": "2",
+        "cacheRead": "0.1",
+        "cacheWrite": null,
+        "output": "10"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "1970-01-01T00:00:00Z",
+      "effectiveUntil": "2026-12-01T00:00:00Z",
+      "promotion": {
+        "description": "Promotional pricing published on Gemini API and Vertex AI pricing pages through November 30, 2026.",
+        "confirmedThrough": "2026-11-30"
+      },
+      "currency": "usd",
+      "usdBasis": "api",
+      "tier": "standard",
+      "rates": {
+        "input": "2",
+        "cacheRead": "0.1",
+        "cacheWrite": null,
+        "output": "10"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "1970-01-01T00:00:00Z",
+      "effectiveUntil": "2026-12-01T00:00:00Z",
+      "promotion": {
+        "description": "Promotional pricing published on Gemini API and Vertex AI pricing pages through November 30, 2026.",
+        "confirmedThrough": "2026-11-30"
+      },
+      "currency": "usd",
+      "usdBasis": "subscription",
+      "tier": "flex",
+      "rates": {
+        "input": "1",
+        "cacheRead": "0.05",
+        "cacheWrite": null,
+        "output": "5"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "1970-01-01T00:00:00Z",
+      "effectiveUntil": "2026-12-01T00:00:00Z",
+      "promotion": {
+        "description": "Promotional pricing published on Gemini API and Vertex AI pricing pages through November 30, 2026.",
+        "confirmedThrough": "2026-11-30"
+      },
+      "currency": "usd",
+      "usdBasis": "api",
+      "tier": "flex",
+      "rates": {
+        "input": "1",
+        "cacheRead": "0.05",
+        "cacheWrite": null,
+        "output": "5"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "2026-12-01T00:00:00Z",
+      "currency": "usd",
+      "usdBasis": "subscription",
+      "tier": "standard",
+      "rates": {
+        "input": "4",
+        "cacheRead": "0.2",
+        "cacheWrite": null,
+        "output": "20"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "2026-12-01T00:00:00Z",
+      "currency": "usd",
+      "usdBasis": "api",
+      "tier": "standard",
+      "rates": {
+        "input": "4",
+        "cacheRead": "0.2",
+        "cacheWrite": null,
+        "output": "20"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "2026-12-01T00:00:00Z",
+      "currency": "usd",
+      "usdBasis": "subscription",
+      "tier": "flex",
+      "rates": {
+        "input": "2",
+        "cacheRead": "0.1",
+        "cacheWrite": null,
+        "output": "10"
+      }
+    },
+    {
+      "model": "gemini-4-carbon",
+      "effectiveFrom": "2026-12-01T00:00:00Z",
+      "currency": "usd",
+      "usdBasis": "api",
+      "tier": "flex",
+      "rates": {
+        "input": "2",
+        "cacheRead": "0.1",
+        "cacheWrite": null,
+        "output": "10"
+      }
+    },
     {
       "model": "gemini-4-argon",
       "effectiveFrom": "1970-01-01T00:00:00Z",

diff --git a/src/collector/agy.ts b/src/collector/agy.ts
@@ -657,9 +657,16 @@ const enumModels: Record<number, { model: string; effort?: string }> = {
   1045: { model: "claude-sonnet-5-5", effort: "low" },
   1046: { model: "claude-sonnet-5-5", effort: "medium" },
   1047: { model: "claude-sonnet-5-5", effort: "high" },
+  1417: { model: "gemini-4-argon", effort: "high" },
+  1418: { model: "gemini-4-argon", effort: "medium" },
+  1419: { model: "gemini-4-argon", effort: "low" },
+  1427: { model: "gemini-4-carbon", effort: "high" },
+  1437: { model: "gemini-4-carbon", effort: "medium" },
+  1438: { model: "gemini-4-carbon", effort: "low" },
 };
 
 const displayModels: Record<string, string> = {
+  "gemini 4 carbon": "gemini-4-carbon",
   "gemini 4 argon": "gemini-4-argon",
   "gemini 3.8 flash": "gemini-3.8-flash",
   "claude opus 5.5": "claude-opus-5-5",

diff --git a/tests/collector-agy.test.ts b/tests/collector-agy.test.ts
@@ -414,6 +414,39 @@ test("decodeAgyGenMetadata decodes wire fields, mutually exclusive buckets, and
 });
 
 test("normalizeAgyModel maps all Antigravity models and prices them through defaultPriceBook", () => {
+  expect(
+    normalizeAgyModel({
+      responseModel: "gemini-4-carbon-medium",
+      modelDisplayName: "Gemini 4 Carbon (Medium)",
+      modelEnum: 1437,
+    }),
+  ).toEqual({
+    model: "gemini-4-carbon",
+    upstreamModel: "gemini-4-carbon-medium",
+    reasoningEffort: "medium",
+  });
+  expect(
+    normalizeAgyModel({
+      responseModel: null,
+      modelDisplayName: "Gemini 4 Carbon (High)",
+      modelEnum: null,
+    }),
+  ).toEqual({
+    model: "gemini-4-carbon",
+    upstreamModel: null,
+    reasoningEffort: "high",
+  });
+  expect(
+    normalizeAgyModel({
+      responseModel: null,
+      modelDisplayName: null,
+      modelEnum: 1438,
+    }),
+  ).toEqual({
+    model: "gemini-4-carbon",
+    upstreamModel: null,
+    reasoningEffort: "low",
+  });
   expect(
     normalizeAgyModel({
       responseModel: "gemini-4-argon",
@@ -495,7 +528,11 @@ test("normalizeAgyModel maps all Antigravity models and prices them through defa
   // 合并后的账户里，Gemini 池窗口只计 Gemini 模型，第三方池窗口只计其余模型。
   const gemini = quotaModelScope("seven-day", true)!;
   const thirdParty = quotaModelScope("seven-day-3p")!;
-  for (const model of ["gemini-4-argon", "gemini-3.8-flash"]) {
+  for (const model of [
+    "gemini-4-carbon",
+    "gemini-4-argon",
+    "gemini-3.8-flash",
+  ]) {
     expect([gemini(model), thirdParty(model)]).toEqual([true, false]);
   }
   for (const model of [
@@ -509,6 +546,7 @@ test("normalizeAgyModel maps all Antigravity models and prices them through defa
   expect(quotaModelScope("seven-day")).toBeNull();
 
   for (const model of [
+    "gemini-4-carbon",
     "gemini-4-argon",
     "gemini-3.8-flash",
     "claude-opus-5-5",

diff --git a/tests/price-book.test.ts b/tests/price-book.test.ts
@@ -43,7 +43,7 @@ test("bundled JSON contains separate USD branches with unchanged credits", () =>
   expect(api.usd.amount).toBe("6.075");
   expect(subscription.credits).toEqual(api.credits);
   expect(subscription.apiUsd).toEqual(api.apiUsd);
-  expect(subscription.version).toBe("meterleaf@2026-10-30.2");
+  expect(subscription.version).toBe("meterleaf@2026-10-30.3");
   // 0.2 及更早版本的价格表标识为 meterleaf-openai，接替关系让报表缓存跨升级保留。
   expect(defaultPriceBook.supersedes).toEqual(["meterleaf-openai"]);
 });
@@ -477,6 +477,29 @@ test("Antigravity models use their published Google, Anthropic and Model Garden
     },
   };
 
+  // Gemini 4 Carbon: 促销期至 2026-11-30（$2 / $0.10 / $10），2026-12-01 起（$4 / $0.20 / $20）。
+  for (const model of ["gemini-4-carbon", "gemini-4-argon"] as const) {
+    const promo = valueUsage({ ...baseFact, model }, defaultPriceBook);
+    expect(promo.subscriptionUsd.amount).toBe("12.1");
+    expect(promo.apiUsd.amount).toBe("12.1");
+    expect(
+      valueUsage({ ...baseFact, model, tier: "flex" }, defaultPriceBook)
+        .subscriptionUsd.amount,
+    ).toBe("6.05");
+    const postPromo = valueUsage(
+      { ...baseFact, model, occurredAt: "2026-12-01T00:00:00Z" },
+      defaultPriceBook,
+    );
+    expect(postPromo.subscriptionUsd.amount).toBe("24.2");
+    expect(postPromo.apiUsd.amount).toBe("24.2");
+    expect(
+      valueUsage(
+        { ...baseFact, model, tokens: { ...baseFact.tokens, cacheWrite: 1 } },
+        defaultPriceBook,
+      ).usd.reason,
+    ).toBe("unsupported-rate-bucket");
+  }
+
   // Gemini 4 Argon: 促销期至 2026-11-30（$2 / $0.10 / $10），2026-12-01 起（$4 / $0.20 / $20）。
   const argonPromo = valueUsage(
     { ...baseFact, model: "gemini-4-argon" },