diff --git a/packages/agents-usage/src/collectors/cursor.test.ts b/packages/agents-usage/src/collectors/cursor.test.ts
index f92ea8a0d..0a191c2ec 100644
--- a/packages/agents-usage/src/collectors/cursor.test.ts
+++ b/packages/agents-usage/src/collectors/cursor.test.ts
@@ -73,6 +73,7 @@ describe("parseCursorUsage", () => {
     expect(snap.windows).toHaveLength(2); // on-demand disabled → no extra window
 
     const auto = snap.windows.find((w) => w.id === "cursor-auto")!;
+    expect(auto.label).toBe("Cursor Models");
     expect(auto.usedPercent).toBe(34);
     expect(auto.resetsAt).toBe(1_719_600_000_000);
     const api = snap.windows.find((w) => w.id === "cursor-api")!;
diff --git a/packages/agents-usage/src/collectors/cursor.ts b/packages/agents-usage/src/collectors/cursor.ts
index 87c0cace7..eea636e15 100644
--- a/packages/agents-usage/src/collectors/cursor.ts
+++ b/packages/agents-usage/src/collectors/cursor.ts
@@ -12,8 +12,9 @@ import type { UsageSnapshot, UsageWindow } from "../types";
  * Schema (per codexbar) of GET /api/usage-summary → individualUsage.plan:
  *   { used (cents), limit (cents), breakdown { included, bonus, total },
  *     totalPercentUsed, autoPercentUsed, apiPercentUsed } + billingCycleEnd +
- *   membershipType. Surfaced as Auto and API windows. API dollars use real
- *   spend over the vendor plan limit; the bar uses apiPercentUsed separately.
+ *   membershipType. Surfaced as Cursor Models (`autoPercentUsed`) and API
+ *   windows. API dollars use real spend over the vendor plan limit; the bar
+ *   uses apiPercentUsed separately.
  */
 
 export const CURSOR_USAGE_ENDPOINT = "https://cursor.com/api/usage-summary";
@@ -134,7 +135,7 @@ export function parseCursorUsage(
   if (autoPercent !== undefined) {
     windows.push({
       id: "cursor-auto",
-      label: "Auto + Composer",
+      label: "Cursor Models",
       usedPercent: autoPercent,
       unit: "percent",
       ...withReset,
diff --git a/packages/agents-usage/src/formatters.test.ts b/packages/agents-usage/src/formatters.test.ts
index 8c9f6a69c..99363d7b1 100644
--- a/packages/agents-usage/src/formatters.test.ts
+++ b/packages/agents-usage/src/formatters.test.ts
@@ -21,6 +21,10 @@ describe("usageWindowDisplayLabel", () => {
     expect(usageWindowDisplayLabel({ id: "weekly-fable", label: "x", usedPercent: 0 })).toBe(
       "Weekly · Fable",
     );
+    expect(usageWindowDisplayLabel({ id: "cursor-auto", label: "x", usedPercent: 0 })).toBe(
+      "Cursor Models",
+    );
+    expect(usageWindowDisplayLabel({ id: "cursor-api", label: "x", usedPercent: 0 })).toBe("API");
   });
 
   it("honors a collector's custom monthly label (e.g. z.ai 'MCP')", () => {
diff --git a/packages/agents-usage/src/formatters.ts b/packages/agents-usage/src/formatters.ts
index 10b775408..eb1476c95 100644
--- a/packages/agents-usage/src/formatters.ts
+++ b/packages/agents-usage/src/formatters.ts
@@ -50,7 +50,7 @@ const KNOWN_WINDOW_LABELS: Record<string, string> = {
   "weekly-fable": "Weekly · Fable",
   monthly: "Monthly",
   "extra-usage": "Extra usage",
-  "cursor-auto": "Auto + Composer",
+  "cursor-auto": "Cursor Models",
   "cursor-api": "API",
 };
 
diff --git a/src/renderer/components/providers/ProviderUsageCircle.tsx b/src/renderer/components/providers/ProviderUsageCircle.tsx
index 877af5e50..edbc7e089 100644
--- a/src/renderer/components/providers/ProviderUsageCircle.tsx
+++ b/src/renderer/components/providers/ProviderUsageCircle.tsx
@@ -8,13 +8,14 @@ import { usageToneColor } from "./usageTone";
  * split (Claude/Codex: a 5h session plus a weekly window) render TWO concentric
  * rings — like a clock's hands, the faster session is the OUTER ring and the
  * slower weekly/monthly is the INNER ring, so a full inner ring flags "weekly
- * almost gone" even when the session is idle. Cursor renders Auto + Composer
- * outside and API inside. Antigravity shows one of its two quota groups (Gemini
- * vs Claude+GPT), selected via `ringGroup`. Every other provider renders a
- * SINGLE ring on its most-constrained window — an at-a-glance "closest to the
- * limit" read. Which windows map to which ring is a per-provider descriptor in
- * `usageProviders.ts` (see {@link pickUsageRings}). Each ring is colored by its
- * own tone. Reuses the ring math from ThreadContextIndicator.
+ * almost gone" even when the session is idle. Cursor renders Cursor Models
+ * outside and API inside. Antigravity shows one of its two quota groups
+ * (Gemini vs Claude+GPT), selected via `ringGroup`. Every other provider
+ * renders a SINGLE ring on its most-constrained window — an at-a-glance
+ * "closest to the limit" read. Which windows map to which ring is a
+ * per-provider descriptor in `usageProviders.ts` (see {@link pickUsageRings}).
+ * Each ring is colored by its own tone. Reuses the ring math from
+ * ThreadContextIndicator.
  */
 
 function Ring(props: { window: UsageWindow; radius: number }) {
diff --git a/src/renderer/state/agentStatusesStore.test.ts b/src/renderer/state/agentStatusesStore.test.ts
index 92638f924..0537044ab 100644
--- a/src/renderer/state/agentStatusesStore.test.ts
+++ b/src/renderer/state/agentStatusesStore.test.ts
@@ -47,10 +47,7 @@ beforeEach(reset);
 describe("persisted agent status cache", () => {
   it("invalidates v10 statuses whose terminal auth methods lack baseSpawnEnv-derived env", async () => {
     const options = useAgentStatusesStore.persist.getOptions();
-    expect(options.version).toBe(14);
-    // Mirrors supervisor STATUS_CACHE_VERSION=16: a persisted antigravity
-    // status from before the derivation would build the `agy` login command
-    // without `AGY_CLI_DISABLE_AUTO_UPDATE`.
+    expect(options.version).toBe(15);
     const staleLogin = makeStatus({
       kind: "antigravity",
       label: "Antigravity",
@@ -75,9 +72,42 @@ describe("persisted agent status cache", () => {
     });
   });
 
+  it("invalidates v14 statuses that grouped Cursor Grok under Other models", async () => {
+    const options = useAgentStatusesStore.persist.getOptions();
+    expect(options.version).toBe(15);
+    const staleCursor = makeStatus({
+      kind: "cursor",
+      label: "Cursor",
+      capabilities: {
+        ...makeStatus().capabilities,
+        models: [{ id: "grok-4.6", label: "Cursor Grok 4.6" }],
+        subProviders: [
+          { id: "cursor", label: "Cursor Models" },
+          { id: "other", label: "Other models" },
+        ],
+        modelSubProvider: { "grok-4.6": "other" },
+      },
+    });
+    const migrated = await options.migrate!(
+      {
+        agentStatuses: [staleCursor],
+        wslAgentStatuses: [],
+        windowsLoaded: true,
+        wslLoaded: true,
+      },
+      14,
+    );
+    expect(migrated).toMatchObject({
+      agentStatuses: [],
+      wslAgentStatuses: [],
+      windowsLoaded: false,
+      wslLoaded: false,
+    });
+  });
+
   it("invalidates v8 statuses cached before successful ACP sessions established auth", async () => {
     const options = useAgentStatusesStore.persist.getOptions();
-    expect(options.version).toBe(14);
+    expect(options.version).toBe(15);
     const staleAcp = makeStatus({
       kind: "acp-generic:example",
       label: "Example ACP",
@@ -104,7 +134,7 @@ describe("persisted agent status cache", () => {
 
   it("invalidates v6 statuses produced without the Grok login-shell environment", async () => {
     const options = useAgentStatusesStore.persist.getOptions();
-    expect(options.version).toBe(14);
+    expect(options.version).toBe(15);
     expect(options.migrate).toBeTypeOf("function");
 
     const grok = makeStatus({
diff --git a/src/renderer/state/agentStatusesStore.ts b/src/renderer/state/agentStatusesStore.ts
index 5d54fa139..6a0414655 100644
--- a/src/renderer/state/agentStatusesStore.ts
+++ b/src/renderer/state/agentStatusesStore.ts
@@ -263,12 +263,9 @@ export const useAgentStatusesStore = create<AgentStatusesStore>()(
     }),
     {
       name: "poracode-agent-statuses-v1",
-      version: 14,
-      // v14 mirrors the supervisor STATUS_CACHE_VERSION=17 bump: Cursor SDK
-      // runtime variants now carry their own account email. v13 covered
-      // Cursor profiles becoming SDK-only. This mirrors the supervisor cache
-      // invalidation, which only covers the supervisor's on-disk cache, not
-      // this localStorage copy.
+      version: 15,
+      // v15 mirrors supervisor STATUS_CACHE_VERSION=18 so this localStorage
+      // copy does not keep Cursor Grok grouped under Other models.
       migrate: (persisted) => {
         const prev = (persisted ?? {}) as Partial<AgentStatusesStore>;
         return {
diff --git a/src/supervisor/agents/cursor/modelGrouping.test.ts b/src/supervisor/agents/cursor/modelGrouping.test.ts
new file mode 100644
index 000000000..b67db4f2a
--- /dev/null
+++ b/src/supervisor/agents/cursor/modelGrouping.test.ts
@@ -0,0 +1,51 @@
+import { describe, expect, it } from "vitest";
+import { cursorModelGroup, cursorModelGrouping } from "./modelGrouping";
+
+describe("cursorModelGroup", () => {
+  it.each([
+    ["auto", "cursor"],
+    ["default", "cursor"],
+    ["auto-smart", "cursor"],
+    ["auto-smart[optimize_for=intelligence]", "cursor"],
+    ["composer-2.5", "cursor"],
+    ["composer-2.5-fast", "cursor"],
+    ["composer-2.5[effort=high,fast=true]", "cursor"],
+    ["grok-4.6", "cursor"],
+    ["grok-4.5", "cursor"],
+    ["grok-4.6-fast", "cursor"],
+    ["grok-4.6[effort=high,fast=true]", "cursor"],
+    ["composer-3", "cursor"],
+    ["gpt-5.6-sol", "other"],
+    ["gpt-5.6-luna", "other"],
+    ["claude-opus-5", "other"],
+    ["opus-5", "other"],
+    ["sonnet-5", "other"],
+    ["gemini-3.7-flash", "other"],
+    ["kimi-k3", "other"],
+    ["glm-5.1", "other"],
+  ] as const)("%s → %s", (modelId, group) => {
+    expect(cursorModelGroup(modelId)).toBe(group);
+  });
+});
+
+describe("cursorModelGrouping", () => {
+  it("keeps unknown Cursor ids in Cursor Models and third-party vendors in Other", () => {
+    expect(
+      cursorModelGrouping([
+        { id: "composer-2.5", label: "Composer 2.5" },
+        { id: "grok-4.6", label: "Cursor Grok 4.6" },
+        { id: "gpt-5.6-luna", label: "GPT-5.6 Luna" },
+      ]),
+    ).toEqual({
+      subProviders: [
+        { id: "cursor", label: "Cursor Models" },
+        { id: "other", label: "Other models" },
+      ],
+      modelSubProvider: {
+        "composer-2.5": "cursor",
+        "grok-4.6": "cursor",
+        "gpt-5.6-luna": "other",
+      },
+    });
+  });
+});
diff --git a/src/supervisor/agents/cursor/modelGrouping.ts b/src/supervisor/agents/cursor/modelGrouping.ts
index 622763c45..5f229f81b 100644
--- a/src/supervisor/agents/cursor/modelGrouping.ts
+++ b/src/supervisor/agents/cursor/modelGrouping.ts
@@ -2,20 +2,19 @@ import type { AgentCapability, LabeledOption } from "@/shared/contracts";
 import { parseCursorModelId } from "@/shared/cursorModelId";
 
 /**
- * Sub-provider grouping shared by every Cursor model picker projection (CLI
- * terminal models, ACP models, and the SDK catalog). Kept in its own module so
- * the SDK projection doesn't have to import the detection module's process
- * probes just to classify a model id.
+ * Sub-provider grouping for CLI, ACP, and SDK picker projections. Cursor's
+ * catalog has no usage-pool field: known third-party vendor prefixes are Other
+ * models; remaining ids are the first-party Cursor Models pool.
  */
 
 export const CURSOR_MODEL_GROUP_ID = "cursor";
 export const OTHER_MODEL_GROUP_ID = "other";
 
-const CURSOR_FIRST_PARTY_MODEL_RE = /^(?:default$|auto(?:-smart)?|composer(?:-|$))/iu;
+const CURSOR_THIRD_PARTY_MODEL_RE = /^(?:gpt|claude|gemini|kimi|glm|opus|sonnet|haiku)(?:-|$)/iu;
 
 export function cursorModelGroup(modelId: string): "cursor" | "other" {
   const baseId = parseCursorModelId(modelId).baseId;
-  return CURSOR_FIRST_PARTY_MODEL_RE.test(baseId) ? CURSOR_MODEL_GROUP_ID : OTHER_MODEL_GROUP_ID;
+  return CURSOR_THIRD_PARTY_MODEL_RE.test(baseId) ? OTHER_MODEL_GROUP_ID : CURSOR_MODEL_GROUP_ID;
 }
 
 export function cursorModelGrouping(
diff --git a/src/supervisor/agents/cursor/sdkModels.test.ts b/src/supervisor/agents/cursor/sdkModels.test.ts
index 4acd07251..134a9c4c1 100644
--- a/src/supervisor/agents/cursor/sdkModels.test.ts
+++ b/src/supervisor/agents/cursor/sdkModels.test.ts
@@ -255,6 +255,8 @@ describe("cursorSdkCapabilitiesFromModels", () => {
 
     expect(capabilities.models.map(({ id }) => id)).toEqual(["default", "opus-5", "composer-2.5"]);
     expect(capabilities.modelSubProvider?.default).toBe("cursor");
+    expect(capabilities.modelSubProvider?.["composer-2.5"]).toBe("cursor");
+    expect(capabilities.modelSubProvider?.["opus-5"]).toBe("other");
     expect(
       buildCursorSdkModelSelection({ model: "auto" }, [
         { id: "opus-5", displayName: "Opus 5" },
@@ -263,6 +265,24 @@ describe("cursorSdkCapabilitiesFromModels", () => {
     ).toEqual({ id: "default" });
   });
 
+  it("groups first-party Grok with Cursor Models, not the API Other Models pool", () => {
+    const capabilities = cursorSdkCapabilitiesFromModels([
+      { id: "composer-2.5", displayName: "Composer 2.5" },
+      { id: "grok-4.6", displayName: "Cursor Grok 4.6" },
+      { id: "grok-4.5", displayName: "Cursor Grok 4.5" },
+      { id: "gpt-5.6-luna", displayName: "GPT-5.6 Luna" },
+      { id: "gemini-3.7-flash", displayName: "Gemini 3.7 Flash" },
+    ]);
+
+    expect(capabilities.modelSubProvider).toEqual({
+      "composer-2.5": "cursor",
+      "grok-4.6": "cursor",
+      "grok-4.5": "cursor",
+      "gpt-5.6-luna": "other",
+      "gemini-3.7-flash": "other",
+    });
+  });
+
   it("removes the effort suffix while keeping Reasoning, Context, and Fast controls", () => {
     const currentCatalog = [
       {
diff --git a/src/supervisor/runtime/agentStatusCache.test.ts b/src/supervisor/runtime/agentStatusCache.test.ts
index 88abe720e..213d0eebf 100644
--- a/src/supervisor/runtime/agentStatusCache.test.ts
+++ b/src/supervisor/runtime/agentStatusCache.test.ts
@@ -191,6 +191,46 @@ describe("agent status cache", () => {
     expect(cached).toEqual({ windows: [], wsl: [], fromCache: false });
   });
 
+  it("invalidates v17 caches that grouped Cursor Grok under Other models", () => {
+    const dataDir = makeTempDir();
+    process.env.PORACODE_DATA_DIR = dataDir;
+
+    const { cacheDir, statusCachePath } = resolvePoracodePaths(dataDir);
+    mkdirSync(cacheDir, { recursive: true });
+    writeFileSync(
+      statusCachePath,
+      JSON.stringify({
+        version: 17,
+        windows: [
+          {
+            kind: "cursor",
+            label: "Cursor",
+            installed: true,
+            authState: "authenticated",
+            capabilities: {
+              models: [{ id: "grok-4.6", label: "Cursor Grok 4.6" }],
+              modelSubProvider: { "grok-4.6": "other" },
+            },
+          },
+        ],
+      }),
+    );
+
+    const runtime = makeRuntime(() => {});
+    const cached = (
+      runtime.agentStatusService as unknown as {
+        readCachedStatuses: (wslDistros: readonly string[]) => {
+          windows: AgentStatus[];
+          wsl: AgentStatus[];
+          fromCache: boolean;
+        };
+      }
+    ).readCachedStatuses([]);
+
+    expect(STATUS_CACHE_VERSION).toBe(18);
+    expect(cached).toEqual({ windows: [], wsl: [], fromCache: false });
+  });
+
   it("migrates stale cached settingDefs to current schema", () => {
     const dataDir = makeTempDir();
     process.env.PORACODE_DATA_DIR = dataDir;
diff --git a/src/supervisor/runtime/agentStatusService.ts b/src/supervisor/runtime/agentStatusService.ts
index 8f43584b6..66311c54e 100644
--- a/src/supervisor/runtime/agentStatusService.ts
+++ b/src/supervisor/runtime/agentStatusService.ts
@@ -66,8 +66,11 @@ const execFileAsync = promisify(execFile);
  * statuses that advertised profile CLI login/ACP variants must be re-probed.
  * v17 adds per-runtime `providerMetadata` so Cursor SDK can show the API-key
  * account email without overwriting the CLI login identity.
+ * v18 regroups Cursor first-party models (Grok, Composer, future Cursor ids)
+ * into the Cursor Models pool by denylisting known third-party vendor prefixes
+ * instead of allowlisting first-party families.
  */
-export const STATUS_CACHE_VERSION = 17;
+export const STATUS_CACHE_VERSION = 18;
 const WSL_AGENT_DETECTION_TIMEOUT_MS = 60_000;
 const WSL_LXSS_REGISTRY_KEY = "HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Lxss";
 
diff --git a/src/supervisor/runtime/usageService.test.ts b/src/supervisor/runtime/usageService.test.ts
index 0ca464e9c..999e3c83e 100644
--- a/src/supervisor/runtime/usageService.test.ts
+++ b/src/supervisor/runtime/usageService.test.ts
@@ -66,6 +66,34 @@ afterEach(() => {
 });
 
 describe("UsageService", () => {
+  it("discards v2 caches that still label the first-party window Auto + Composer", async () => {
+    const cachePath = tempCachePath();
+    writeFileSync(
+      cachePath,
+      JSON.stringify({
+        version: 2,
+        snapshots: [
+          {
+            providerId: "cursor",
+            status: "ok",
+            windows: [{ id: "cursor-auto", label: "Auto + Composer", usedPercent: 34 }],
+            fetchedAt: NOW,
+          },
+        ],
+      }),
+    );
+    const service = new UsageService({
+      emit: () => {},
+      cachePath,
+      host: makeHost({}),
+      localCollectors: stubLocalCollectors(),
+    });
+
+    const result = await service.getProviderUsage({ providerIds: ["cursor"] });
+    expect(result.fromCache).toBe(false);
+    expect(result.snapshots).toEqual([]);
+  });
+
   it("refresh defaults to Claude and Codex only, emits per-provider then a terminal event", async () => {
     const events: SupervisorEvent[] = [];
     const service = new UsageService({
diff --git a/src/supervisor/runtime/usageService.ts b/src/supervisor/runtime/usageService.ts
index bf7a31b10..ef95ad872 100644
--- a/src/supervisor/runtime/usageService.ts
+++ b/src/supervisor/runtime/usageService.ts
@@ -36,8 +36,11 @@ import { readSupervisorSharedSettings } from "./supervisorSharedSettings";
  * 5 min, 2 min floor) — never a fast poll.
  */
 
-/** Bump when the cached snapshot shape changes so stale caches are discarded. */
-const USAGE_CACHE_VERSION = 2;
+/**
+ * Bump when the cached snapshot shape changes so stale caches are discarded.
+ * v3 relabels Cursor's first-party window from Auto + Composer to Cursor Models.
+ */
+const USAGE_CACHE_VERSION = 3;
 /** The full default provider set, from the package catalog (single source of truth). */
 const DEFAULT_PROVIDER_IDS: readonly string[] = allUsageProviderDescriptors().map((d) => d.id);
 const MIN_REFRESH_INTERVAL_MS = 2 * 60_000;