diff --git a/packages/stats/core/src/domain/geo.ts b/packages/stats/core/src/domain/geo.ts
index 4b184469998..f7b8f635429 100644
--- a/packages/stats/core/src/domain/geo.ts
+++ b/packages/stats/core/src/domain/geo.ts
@@ -199,7 +199,11 @@ export class GeoStatRepo extends Context.Service<GeoStatRepo, GeoStatRepo.Servic
                   inArray(geoStat.dataset, scope.datasets),
                   inArray(geoStat.client, scope.clients),
                   inArray(geoStat.source, scope.sources),
-                  or(inArray(geoStat.provider, RETIRED_STAT_PROVIDERS), inArray(geoStat.model, RETIRED_STAT_MODELS)),
+                  or(
+                    inArray(geoStat.provider, RETIRED_STAT_PROVIDERS),
+                    inArray(geoStat.model, RETIRED_STAT_MODELS),
+                    and(eq(geoStat.provider, "unknown"), eq(geoStat.model, "hy4-preview")),
+                  ),
                 ),
               ),
           catch: (cause) => DatabaseError.make({ cause }),
diff --git a/packages/stats/core/src/domain/inference.test.ts b/packages/stats/core/src/domain/inference.test.ts
index 2dfd16a1cf5..021acc8b72b 100644
--- a/packages/stats/core/src/domain/inference.test.ts
+++ b/packages/stats/core/src/domain/inference.test.ts
@@ -38,6 +38,17 @@ describe("inference stat normalization", () => {
     expect(statProvider("unknown", "", "custom-provider")).toBe("custom-provider")
   })
 
+  test("attributes hy4 preview traffic to Tencent instead of the unknown provider", () => {
+    expect(modelAuthor("hy4-preview")).toBe("tencent")
+    expect(toModelAggregate(aggregate("hy4-preview", "opencode"))).toMatchObject([
+      { model: "hy4-preview", provider: "tencent" },
+    ])
+    expect(toProviderAggregate(aggregate("hy4-preview", "opencode"))).toMatchObject([{ provider: "tencent" }])
+    expect(toGeoAggregate({ ...aggregate("hy4-preview", "opencode"), country: "US" })).toMatchObject([
+      { model: "hy4-preview", provider: "tencent" },
+    ])
+  })
+
   test("merges union alpha routes without exposing the provider", () => {
     ;["opencode-go/union-alpha", "opencode/union-alpha"].forEach((model) => {
       expect(statModel(model, "")).toBe("union-alpha")
diff --git a/packages/stats/core/src/domain/model-normalization.ts b/packages/stats/core/src/domain/model-normalization.ts
index 0895187ada1..af3d8423fa9 100644
--- a/packages/stats/core/src/domain/model-normalization.ts
+++ b/packages/stats/core/src/domain/model-normalization.ts
@@ -6,6 +6,7 @@ export const MODEL_AUTHOR_RULES = [
   { match: "gpt", author: "openai" },
   { match: "grok", author: "xai" },
   { match: "hy3", author: "tencent" },
+  { match: "hy4", author: "tencent" },
   { match: "kimi", author: "moonshot" },
   { match: "mimo", author: "xiaomi" },
   { match: "minimax", author: "minimax" },
diff --git a/packages/stats/core/src/domain/model.ts b/packages/stats/core/src/domain/model.ts
index 2ad266eab84..d58e25d0bbe 100644
--- a/packages/stats/core/src/domain/model.ts
+++ b/packages/stats/core/src/domain/model.ts
@@ -186,6 +186,7 @@ export class ModelStatRepo extends Context.Service<ModelStatRepo, ModelStatRepo.
                   or(
                     inArray(modelStat.provider, RETIRED_STAT_PROVIDERS),
                     inArray(modelStat.model, RETIRED_STAT_MODELS),
+                    and(eq(modelStat.provider, "unknown"), eq(modelStat.model, "hy4-preview")),
                   ),
                 ),
               ),