diff --git a/src/daily-cache.ts b/src/daily-cache.ts
index 6c486791..64843457 100644
--- a/src/daily-cache.ts
+++ b/src/daily-cache.ts
@@ -5,14 +5,18 @@ import { homedir } from 'os'
 import { join } from 'path'
 import type { DateRange, ProjectSummary } from './types.js'
 
-// Bumped to 8: local-model savings accounting is now part of the daily rollup
-// (savingsUSD per day / per model / per category / per provider). Stale entries
-// computed by older binaries lack those fields, so MIN_SUPPORTED_VERSION is
-// also raised to 8 to force a full re-hydration. The `savingsConfigHash` field
-// is invalidated separately when the user changes their `localModelSavings`
-// mapping so historical "saved" totals stay in sync with the active baseline.
-export const DAILY_CACHE_VERSION = 8
-const MIN_SUPPORTED_VERSION = 8
+// Bumped to 9: providers added since the v8 rollup (Grok, Hermes, ZCode) parse
+// usage that older binaries skipped, so days cached at v8 omit them and report
+// $0 for those providers across history. Raising MIN_SUPPORTED_VERSION to 9 too
+// forces a one-time full re-hydration so newly supported providers backfill
+// without a manual cache clear.
+//
+// v8 added local-model savings to the daily rollup (savingsUSD per day / model /
+// category / provider). The `savingsConfigHash` field is invalidated separately
+// when the user changes their `localModelSavings` mapping so historical "saved"
+// totals stay in sync with the active baseline.
+export const DAILY_CACHE_VERSION = 9
+const MIN_SUPPORTED_VERSION = 9
 const DAILY_CACHE_FILENAME = 'daily-cache.json'
 
 export type DailyEntry = {
diff --git a/src/models.ts b/src/models.ts
index 52ec0026..4d04c1ad 100644
--- a/src/models.ts
+++ b/src/models.ts
@@ -663,6 +663,14 @@ const SHORT_NAMES: Record<string, string> = {
   'o3': 'o3',
   'MiniMax-M2.7-highspeed': 'MiniMax M2.7 Highspeed',
   'MiniMax-M2.7': 'MiniMax M2.7',
+  // Grok (xAI) and GLM ids that otherwise surface raw or as a pricing key in
+  // reports. grok-build and GLM-5.2 price via sibling aliases, so
+  // getShortModelName resolves to the pricing key before this lookup; map each
+  // back to the real model name. grok-composer has no alias, it just lacked an
+  // entry.
+  'glm-5p1': 'GLM-5.2',                               // ZCode/Hermes run GLM-5.2 (priced as the GLM-5.1 sibling)
+  'grok-build-0.1': 'Grok Build',                     // Grok Build prices through the 0.1 sibling
+  'grok-composer-2.5-fast': 'Grok Composer 2.5 Fast',
 }
 
 // Sorted longest-first so more-specific prefixes match before shorter ones.
diff --git a/tests/models.test.ts b/tests/models.test.ts
index 2bdf8feb..403a5550 100644
--- a/tests/models.test.ts
+++ b/tests/models.test.ts
@@ -88,6 +88,19 @@ describe('getShortModelName', () => {
     expect(getShortModelName('claude-haiku-5')).toBe('Haiku 5')
     expect(getShortModelName('claude-opus-9-9-20300101')).toBe('Opus 9.9')
   })
+
+  it('shows the real model name for pricing-sibling aliases, not the internal key', () => {
+    // GLM-5.2 (and its lowercase Hermes spelling) price via the glm-5p1 sibling;
+    // reports must show GLM-5.2, not the pricing key.
+    expect(getShortModelName('GLM-5.2')).toBe('GLM-5.2')
+    expect(getShortModelName('glm-5.2')).toBe('GLM-5.2')
+    expect(getShortModelName('glm-5p1')).toBe('GLM-5.2')
+    // Grok Build prices via the grok-build-0.1 sibling.
+    expect(getShortModelName('grok-build')).toBe('Grok Build')
+    expect(getShortModelName('grok-build-0.1')).toBe('Grok Build')
+    // grok-composer has no alias, just a missing display entry.
+    expect(getShortModelName('grok-composer-2.5-fast')).toBe('Grok Composer 2.5 Fast')
+  })
 })
 
 describe('claude-fable-5 pricing + name', () => {