diff --git a/src/config/index.ts b/src/config/index.ts
index 5abb8ebd4..517efd3ee 100644
--- a/src/config/index.ts
+++ b/src/config/index.ts
@@ -1132,18 +1132,32 @@ export async function loadConfig(
 // provider connect (mid-session, no restart) can rebuild the picker's
 // catalog after writing new credentials, instead of only taking effect on
 // the next process start.
-function mergeOAuthCatalog(
+export function mergeOAuthCatalog(
   settings: Settings | null,
   resolved: ResolvedProvider,
   codexProfiles: readonly CodexProfile[],
   xaiProfiles: readonly XaiProfile[],
 ): ProviderCatalogEntry[] {
+  const codexEntries = codexProfilesToCatalogEntries(codexProfiles);
+  const xaiEntries = xaiProfilesToCatalogEntries(xaiProfiles);
+  // A legacy bare `codex`/`xai` settings row (the original single-instance
+  // connect key) reads as a second, separately-added provider next to the
+  // credential-backed `<kind>/<profile>` entries. Drop it once that family
+  // has a live profile; when nothing is connected the bare row is the only
+  // ChatGPT/Grok access and stays.
+  const dropBare = new Set([
+    ...(codexEntries.length > 0 ? ["codex"] : []),
+    ...(xaiEntries.length > 0 ? ["xai"] : []),
+  ]);
   return [
     ...buildProviderCatalog(settings, resolved).filter(
-      (e) => !isCodexProviderName(e.name) && !isXaiProviderName(e.name),
+      (e) =>
+        !isCodexProviderName(e.name) &&
+        !isXaiProviderName(e.name) &&
+        !dropBare.has(e.name),
     ),
-    ...codexProfilesToCatalogEntries(codexProfiles),
-    ...xaiProfilesToCatalogEntries(xaiProfiles),
+    ...codexEntries,
+    ...xaiEntries,
   ].map((entry) =>
     isOpenCodeGoProvider(entry)
       ? { ...entry, models: [...selectableGoModelIds()] }
diff --git a/src/config/oauth-catalog.test.ts b/src/config/oauth-catalog.test.ts
new file mode 100644
index 000000000..7efd74bc5
--- /dev/null
+++ b/src/config/oauth-catalog.test.ts
@@ -0,0 +1,91 @@
+import { describe, expect, test } from "bun:test";
+import type { CodexProfile } from "../auth/codex/store.js";
+import type { XaiProfile } from "../auth/xai/store.js";
+import { mergeOAuthCatalog } from "./index.js";
+import type {
+  ProviderSettings,
+  ResolvedProvider,
+  Settings,
+} from "./settings.js";
+
+// Regression tests for CL-5606: after a successful ChatGPT browser login the
+// merged catalog must not list a separately-added legacy bare `codex` row
+// alongside the credential-backed `codex/<profile>` entry.
+
+const resolved: ResolvedProvider = {
+  providerName: "openai",
+  baseURL: "https://api.openai.com/v1",
+  apiKey: "sk-test",
+  model: "gpt-5",
+};
+
+function settingsWith(providers: Record<string, ProviderSettings>): Settings {
+  return { providers } as Settings;
+}
+
+const entry = (): ProviderSettings => ({
+  baseURL: "https://chatgpt.com/backend-api/codex/responses",
+  models: ["gpt-5.1-codex-max"],
+});
+
+const codexDefault: CodexProfile = {
+  name: "default",
+  tokens: { access: "codex-access", refresh: "r", expiresAt: 1 },
+  createdAt: 0,
+};
+const xaiWork: XaiProfile = {
+  name: "work",
+  tokens: { access: "xai-access", refresh: "r", expiresAt: 1 },
+  createdAt: 0,
+};
+
+describe("mergeOAuthCatalog legacy bare-row dedupe (CL-5606)", () => {
+  test("a legacy bare codex row is dropped once codex/default is connected", () => {
+    const merged = mergeOAuthCatalog(
+      settingsWith({ codex: entry(), "codex/default": entry() }),
+      resolved,
+      [codexDefault],
+      [],
+    );
+    expect(merged.map((p) => p.name)).toEqual(["codex/default"]);
+  });
+
+  test("a legacy bare xai row is dropped once xai/work is connected", () => {
+    const merged = mergeOAuthCatalog(
+      settingsWith({ xai: entry() }),
+      resolved,
+      [],
+      [xaiWork],
+    );
+    expect(merged.map((p) => p.name)).toEqual(["xai/work"]);
+  });
+
+  test("a bare codex row survives when nothing credential-backed exists", () => {
+    // Not connected: no auth-store profile and no qualified entry. The legacy
+    // single-instance row is the only ChatGPT access — keep it.
+    const merged = mergeOAuthCatalog(
+      settingsWith({ codex: entry() }),
+      resolved,
+      [],
+      [],
+    );
+    expect(merged.map((p) => p.name)).toEqual(["codex"]);
+  });
+
+  test("unrelated and API-key rows are untouched by the dedupe", () => {
+    const merged = mergeOAuthCatalog(
+      settingsWith({
+        openai: {
+          baseURL: "https://api.openai.com/v1",
+          apiKey: "sk-test",
+          models: ["gpt-5"],
+        },
+        codex: entry(),
+      }),
+      resolved,
+      [codexDefault],
+      [],
+    );
+    expect(merged.map((p) => p.name)).toEqual(["openai", "codex/default"]);
+  });
+});
diff --git a/src/tui/model-catalog.test.ts b/src/tui/model-catalog.test.ts
index 92faf5218..28e3cfdde 100644
--- a/src/tui/model-catalog.test.ts
+++ b/src/tui/model-catalog.test.ts
@@ -218,4 +218,40 @@ describe("describeModelCatalogOption", () => {
     );
     expect(description?.impact).toMatch(/pricing unknown/i);
   });
+
+  test("connected ChatGPT rows state plan billing plainly instead of unknown pricing (CL-5606)", () => {
+    // Subscription-billed models have no per-token price; "Pricing unknown"
+    // misreads as metered billing with a missing rate.
+    const description = describeModelCatalogOption(
+      {
+        id: "codex/default:gpt-5.1-codex-max",
+        label: "gpt-5.1-codex-max * [Codex default]",
+      },
+      { pricing: null },
+    );
+    expect(description?.impact).not.toMatch(/pricing unknown/i);
+    expect(description?.impact).toMatch(/ChatGPT subscription/);
+  });
+
+  test("connected Grok rows state plan billing plainly instead of unknown pricing (CL-5606)", () => {
+    const description = describeModelCatalogOption(
+      {
+        id: "xai/work:grok-4",
+        label: "grok-4 * [xAI work]",
+      },
+      { pricing: null },
+    );
+    expect(description?.impact).not.toMatch(/pricing unknown/i);
+    expect(description?.impact).toMatch(/subscription/);
+  });
+
+  test("colon-less ids keep the full provider instead of dropping the last character", () => {
+    // slice(0, indexOf(":")) truncates a colon-less id (indexOf is -1), so
+    // "codex/" became "code" and missed subscription billing.
+    const description = describeModelCatalogOption(
+      { id: "codex/", label: "default * [Codex default]" },
+      { pricing: null },
+    );
+    expect(description?.impact).toMatch(/ChatGPT subscription/);
+  });
 });
diff --git a/src/tui/model-catalog.ts b/src/tui/model-catalog.ts
index 8ca701b10..44fac0a33 100644
--- a/src/tui/model-catalog.ts
+++ b/src/tui/model-catalog.ts
@@ -251,9 +251,23 @@ function formatPrice(perToken: number): string {
 /** Rough per-Mtok multiplier over the "standard" $3 input tier, for decision-relevant framing. */
 const STANDARD_INPUT_PER_MTOK = 3;
 
-function pricingImpact(pricing: PricingCache | null, model: string): string {
+function pricingImpact(
+  pricing: PricingCache | null,
+  providerId: string,
+  model: string,
+): string {
   const price = lookupModelPricing(pricing, model);
-  if (price === null) return "Pricing unknown for this model.";
+  if (price === null) {
+    // Subscription-billed rows (ChatGPT/Grok OAuth) have no per-token price;
+    // "unknown" misreads as metered billing with a missing rate.
+    if (providerId.startsWith("codex/")) {
+      return "Billed through your ChatGPT subscription, not per-token.";
+    }
+    if (providerId.startsWith("xai/")) {
+      return "Billed through your Grok subscription, not per-token.";
+    }
+    return "Pricing unknown for this model.";
+  }
   const inputPerMtok = price.inputPricePerToken * 1_000_000;
   const ratio = inputPerMtok / STANDARD_INPUT_PER_MTOK;
   const ratioText =
@@ -308,7 +322,13 @@ export function describeModelCatalogOption(
 
   return {
     what: whatLine(model),
-    impact: pricingImpact(pricing, model),
+    impact: pricingImpact(
+      pricing,
+      // Exact provider parse: slice(0, indexOf(":")) drops the last
+      // character of a colon-less id (indexOf returns -1).
+      option.id.split(":")[0] ?? option.id,
+      model,
+    ),
     tone: "plain",
   };
 }
diff --git a/src/tui/provider-setup.test.ts b/src/tui/provider-setup.test.ts
index defc79860..c5eb88757 100644
--- a/src/tui/provider-setup.test.ts
+++ b/src/tui/provider-setup.test.ts
@@ -252,6 +252,26 @@ describe("provider setup pure helpers", () => {
     expect(custom?.accountCount).toBe(0);
   });
 
+  test("Alt+A ChatGPT row hides the login CTA once connected (CL-5606)", () => {
+    // After a successful browser login the ChatGPT row must not present the
+    // "Login via Browser" connect option as if unconnected. The row stays
+    // listed (CL-5899: a second account remains reachable) — only the
+    // connected-state rendering changes.
+    const choices = providerChoices();
+    const connected = addProviderSelectorChoices(choices, [
+      { name: "codex/default" },
+    ]);
+    const codex = connected.find((r) => r.id === "codex");
+    expect(codex?.accountCount).toBe(1);
+    expect(codex?.label).not.toContain("Login via Browser");
+    expect(codex?.label).toContain("ChatGPT");
+
+    const disconnected = addProviderSelectorChoices(choices, []);
+    const login = disconnected.find((r) => r.id === "codex");
+    expect(login?.accountCount).toBe(0);
+    expect(login?.label).toContain("Login via Browser");
+  });
+
   test("a connected Codex account counts under its profile-qualified name (CL-5606)", () => {
     // The ChatGPT-via-browser choice is keyed "codex", but a signed-in
     // account lands in the catalog as "codex/<profile>" — one row per
diff --git a/src/tui/provider/choices.ts b/src/tui/provider/choices.ts
index beae03699..6b89e1b5b 100644
--- a/src/tui/provider/choices.ts
+++ b/src/tui/provider/choices.ts
@@ -263,12 +263,23 @@ export function addProviderSelectorChoices(
   readonly hint: string;
   readonly accountCount: number;
 }[] {
-  return choices.map((choice) => ({
-    id: choice.id,
-    label: choice.label,
-    hint: choice.hint,
-    accountCount: connectedAccountCount(choice, providers),
-  }));
+  return choices.map((choice) => {
+    const accountCount = connectedAccountCount(choice, providers);
+    // Once an OAuth kind has a connected account the browser-login CTA in its
+    // label ("ChatGPT — Login via Browser") reads as if still unconnected, so
+    // render the connected state plainly instead. The row stays listed so a
+    // second account remains reachable.
+    const connected =
+      choice.oauth !== null && !choice.custom && accountCount > 0;
+    return {
+      id: choice.id,
+      label: connected
+        ? `${choice.label.split(" — ")[0]} · ${accountCount} connected`
+        : choice.label,
+      hint: choice.hint,
+      accountCount,
+    };
+  });
 }
 
 /** Pick-list rows for the provider step. */