diff --git a/src/stats/pricing.ts b/src/stats/pricing.ts
index 4aa528f..46f8a4a 100644
--- a/src/stats/pricing.ts
+++ b/src/stats/pricing.ts
@@ -117,6 +117,7 @@ export function isOpenRouterModelsUrl(url: string): boolean {
 
 /**
  * 对比用的当前档：每个家族只留最新一档（DeepSeek / Claude / GLM / Gemini / GPT / Grok）。
+ * Gemini 另留非 flash/pro 的代号档（如 gemini-4-argon）；Pro 若只有 preview 也算当前档。
  * 同一档有多个 id 时留 created 更新的那个。
  */
 export function usualOpenRouterBucket(modelId: string): string | null {
@@ -132,7 +133,11 @@ export function usualOpenRouterBucket(modelId: string): string | null {
     return null;
   }
   const parts = name.split(/[^a-z0-9.]+/);
-  if (parts.some((part) => USUAL_SKIP_PARTS.has(part))) return null;
+  const skipped = parts.filter((part) => USUAL_SKIP_PARTS.has(part));
+  // Gemini 当前 Pro 在 OpenRouter 上仍带 preview，不能整档丢掉。
+  const geminiPreviewOnly =
+    name.includes("gemini") && skipped.length > 0 && skipped.every((part) => part === "preview");
+  if (skipped.length && !geminiPreviewOnly) return null;
   if (name.includes("claude-haiku")) return "claude-haiku";
   if (name.includes("claude-sonnet")) return "claude-sonnet";
   if (name.includes("claude-opus")) return "claude-opus";
@@ -148,6 +153,7 @@ export function usualOpenRouterBucket(modelId: string): string | null {
   }
   if (name.includes("gemini") && name.includes("pro")) return "gemini-pro";
   if (name.includes("gemini") && name.includes("flash")) return "gemini-flash";
+  if (name.includes("gemini")) return "gemini";
   if (name.startsWith("gpt-") && name.includes("luna-pro")) return "gpt-luna-pro";
   if (name.startsWith("gpt-") && name.includes("luna")) return "gpt-luna";
   if (name.startsWith("gpt-") && name.includes("sol-pro")) return "gpt-sol-pro";
diff --git a/tests/pricing.test.ts b/tests/pricing.test.ts
index c13a033..78a40ad 100644
--- a/tests/pricing.test.ts
+++ b/tests/pricing.test.ts
@@ -255,6 +255,9 @@ describe("trimOpenRouterUsualCatalog", () => {
     );
     expect(usualOpenRouterBucket("google/gemini-3.8-flash")).toBe("gemini-flash");
     expect(usualOpenRouterBucket("google/gemini-2.5-pro")).toBe("gemini-pro");
+    expect(usualOpenRouterBucket("google/gemini-3.1-pro-preview")).toBe("gemini-pro");
+    expect(usualOpenRouterBucket("google/gemini-4-argon")).toBe("gemini");
+    expect(usualOpenRouterBucket("google/gemini-3.5-flash-lite")).toBeNull();
     expect(usualOpenRouterBucket("openai/gpt-4o:batch")).toBeNull();
     const trimmed = JSON.parse(
       trimOpenRouterUsualCatalog(
@@ -293,6 +296,39 @@ describe("trimOpenRouterUsualCatalog", () => {
       "anthropic/claude-haiku-5.5",
       "openai/gpt-6-luna",
     ]);
+    const gemini = JSON.parse(
+      trimOpenRouterUsualCatalog(
+        JSON.stringify({
+          data: [
+            {
+              id: "google/gemini-2.5-pro",
+              created: 10,
+              pricing: { prompt: "0.000001", completion: "0.000005" },
+            },
+            {
+              id: "google/gemini-3.1-pro-preview",
+              created: 20,
+              pricing: { prompt: "0.000002", completion: "0.000008" },
+            },
+            {
+              id: "google/gemini-3.8-flash",
+              created: 30,
+              pricing: { prompt: "0.0000003", completion: "0.000001" },
+            },
+            {
+              id: "google/gemini-4-argon",
+              created: 40,
+              pricing: { prompt: "0.000003", completion: "0.000012" },
+            },
+          ],
+        }),
+      ),
+    ) as { data: Array<{ id: string }> };
+    expect(gemini.data.map((row) => row.id).sort()).toEqual([
+      "google/gemini-3.1-pro-preview",
+      "google/gemini-3.8-flash",
+      "google/gemini-4-argon",
+    ]);
     const pinned = JSON.parse(
       trimOpenRouterUsualCatalog(
         JSON.stringify({