fix(stats): merge renamed model data (#43883)

packages/stats/core/src/domain/inference.test.ts

@@ -41,6 +41,17 @@ describe("inference stat normalization", () => {
     expect(statProvider("unknown", "", "custom-provider")).toBe("custom-provider")
   })
 
+  test("merges renamed models under their current name", () => {
+    expect(statModel("x-preview-f", "")).toBe("ox-alpha")
+    expect(statModel("xiaomi/mimo-v2.5", "")).toBe("mimo-v2.5")
+    expect(toModelAggregate(aggregate("x-preview-f", "openai"))).toMatchObject([
+      {
+        provider: "openai",
+        model: "ox-alpha",
+      },
+    ])
+  })
+
   test("model aggregates prefer provider.model and use normalized model", () => {
     expect(toModelAggregate(aggregate("alpha-gpt-next", "openai"))).toEqual([])
 

packages/stats/core/src/domain/inference.ts

@@ -6,6 +6,7 @@ import {
   EXCLUDED_MODELS,
   FREE_MODELS,
   MODEL_AUTHOR_RULES,
+  MODEL_NAME_ALIASES,
   RETIRED_STAT_PROVIDERS,
   statModel,
   statProvider,
@@ -302,6 +303,9 @@ function statPeriods(grain: "day" | "week", periodStart: Date, periodEnd: Date)
 function statModelSql(model: string, providerModel: string) {
   return `COALESCE(NULLIF(regexp_replace(CASE
       WHEN lower(${model}) = 'big-pickle' THEN regexp_replace(NULLIF(${providerModel}, ''), '^.*/', '')
+${Object.entries(MODEL_NAME_ALIASES)
+  .map(([from, to]) => `      WHEN lower(${model}) = ${sqlString(from)} THEN ${sqlString(to)}`)
+  .join("\n")}
       ELSE ${model}
     END, '(-free|:free|:global)+$', ''), ''), 'unknown')`
 }

packages/stats/core/src/domain/model-normalization.ts

@@ -15,7 +15,11 @@ export const MODEL_AUTHOR_RULES = [
 ] as const
 export const EXCLUDED_MODELS = new Set(["alpha-gpt-next"])
 export const FREE_MODELS = new Set(["gpt-5-nano", "grok-code", "big-pickle"])
-export const RETIRED_STAT_MODELS = ["big-pickle"]
+export const MODEL_NAME_ALIASES: Record<string, string> = {
+  "x-preview-f": "ox-alpha",
+  "xiaomi/mimo-v2.5": "mimo-v2.5",
+}
+export const RETIRED_STAT_MODELS = ["big-pickle", ...Object.keys(MODEL_NAME_ALIASES)]
 export const RETIRED_STAT_PROVIDERS = ["opencode"]
 
 export function normalizeInferenceModel(value: string | undefined) {
@@ -31,6 +35,8 @@ export function modelAuthor(value: string | undefined) {
 
 export function statModel(model: string | undefined, providerModel: string | undefined) {
   const normalized = normalizeInferenceModel(model)
+  const alias = MODEL_NAME_ALIASES[normalized.toLowerCase()]
+  if (alias) return alias
   if (RETIRED_STAT_MODELS.includes(normalized.toLowerCase()))
     return normalizeInferenceModel(providerModel?.split("/").at(-1))
   return normalized