diff --git a/README.md b/README.md
index e191d65..76fc41c 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 ![Tooltip](assets/tooltip.png)
 
 - Token context usage
-- Session limits
+- Session limits (the 5-hour limit, hidden once Anthropic removes it from a verified Ultra account)
 - Weekly limits
 - Limit consumption and reset times
 - Claude service status (working, partial outage, major outage)
diff --git a/extension.js b/extension.js
index 25450cc..a493c70 100644
--- a/extension.js
+++ b/extension.js
@@ -1002,7 +1002,8 @@ function registerCommands(context) {
                 // the name is PII (see README Privacy - "redacted bug reports").
                 const ai = usageData.accountInfo;
                 debugChannel.appendLine(`  Account: ${ai ? `present (${ai.organizationType || ai.orgType || 'plan unknown'})` : 'unknown'}`);
-                debugChannel.appendLine(`  Session Usage: ${usageData.usagePercent}%`);
+                const sessionUsage = usageData.usagePercent == null ? 'no 5-hour limit' : `${usageData.usagePercent}%`;
+                debugChannel.appendLine(`  Session Usage: ${sessionUsage}`);
                 debugChannel.appendLine(`  Weekly Usage: ${usageData.usagePercentWeek}%`);
                 debugChannel.appendLine(`  Has Monthly Credits: ${!!usageData.monthlyCredits}`);
             } else {
diff --git a/src/activityMonitor.js b/src/activityMonitor.js
index 99d29d0..b6bfd02 100644
--- a/src/activityMonitor.js
+++ b/src/activityMonitor.js
@@ -16,7 +16,7 @@ function pickRandom(messages) {
 }
 
 function getActivityLevel(usageData = null, sessionData = null) {
-    const claudePercent = usageData ? usageData.usagePercent : 0;
+    const claudePercent = usageData?.usagePercent ?? 0;
 
     let tokenPercent = 0;
     if (sessionData && sessionData.tokenUsage) {
@@ -52,7 +52,7 @@ function getActivityDescription(level) {
 }
 
 function getStats(usageData = null, sessionData = null) {
-    const claudePercent = usageData ? usageData.usagePercent : 0;
+    const claudePercent = usageData?.usagePercent ?? 0;
 
     let tokenPercent = 0;
     if (sessionData && sessionData.tokenUsage) {
diff --git a/src/apiSchema.js b/src/apiSchema.js
index 84190ca..50e8510 100644
--- a/src/apiSchema.js
+++ b/src/apiSchema.js
@@ -214,7 +214,8 @@ function processApiResponse(apiResponse, creditsData, overageData, accountInfo,
     const { session, weekly } = resetGauges(gauges);
 
     return {
-        usagePercent: session.percent ?? 0,
+        // Null when the account has no 5-hour limit (verified Ultra accounts).
+        usagePercent: session.percent ?? null,
         // Rendered against the clock at display time, so cached data never drifts.
         resetsAt: session.resetsAt || null,
         usagePercentWeek: weekly.percent ?? 0,
diff --git a/src/commands/simulator.js b/src/commands/simulator.js
index d95e9ca..4af5338 100644
--- a/src/commands/simulator.js
+++ b/src/commands/simulator.js
@@ -107,11 +107,17 @@ function registerSimulatorCommands(context, performFetch) {
             simulator.setTokenUsed(v === '' ? null : Number(v));
             await performFetch(false);
         }),
-        percentCommand({
-            id: 'claudemeter.simulate.sessionPercent',
-            prompt: 'Force session % (0-100, blank to clear)',
-            setter: simulator.setSessionPercent,
-            performFetch,
+        vscode.commands.registerCommand('claudemeter.simulate.sessionPercent', async () => {
+            const v = await vscode.window.showInputBox({
+                prompt: 'Force session % (0-100, "none" for no 5-hour limit, blank to clear)',
+                validateInput: (s) => s.trim().toLowerCase() === 'none' ? null : percentValidator(s),
+            });
+            if (v === undefined) return;
+            const choice = v.trim().toLowerCase();
+            if (choice === '') simulator.setSessionPercent(null);
+            else if (choice === 'none') simulator.setSessionPercent('none');
+            else simulator.setSessionPercent(Number(choice));
+            await performFetch(false);
         }),
         percentCommand({
             id: 'claudemeter.simulate.weeklyPercent',
diff --git a/src/credentialsReader.js b/src/credentialsReader.js
index 83a0ded..83fc7bf 100644
--- a/src/credentialsReader.js
+++ b/src/credentialsReader.js
@@ -100,9 +100,16 @@ function formatSubscriptionType(type) {
     return type.charAt(0).toUpperCase() + type.slice(1).toLowerCase();
 }
 
+// Anthropic renamed these plans but kept the tier strings: Max 20x is Ultra,
+// Max 5x is Max.
+const RENAMED_TIERS = {
+    default_claude_max_20x: 'Ultra',
+    default_claude_max_5x: 'Max',
+};
+
 function formatRateLimitTier(tier) {
     if (!tier) return null;
-    // "default_claude_max_20x" -> "Max 20x"
+    if (Object.hasOwn(RENAMED_TIERS, tier)) return RENAMED_TIERS[tier];
     // "default_claude_pro" -> "Pro"
     const match = tier.match(/default_claude_(\w+?)(?:_(\d+x))?$/);
     if (match) {
diff --git a/src/simulator.js b/src/simulator.js
index e03caf7..4bc6d10 100644
--- a/src/simulator.js
+++ b/src/simulator.js
@@ -13,6 +13,7 @@ const VALID_COLOR_MODES = new Set(['color', 'basic']);
 let simulatedTokenLevel = null;
 let simulatedTokenUsed = null;          // raw token count, lets simulator drive 'used'
 let simulatedSessionPercent = null;
+let simulatedNoSessionLimit = false;    // the payload a verified Ultra account gets
 let simulatedWeeklyPercent = null;
 let simulatedScopedWeekly = null;       // [{label, percent}], overrides usageData.scopedWeekly
 let simulatedThresholdIcons = null;     // null | true | false, stands in for the global setting
@@ -48,13 +49,16 @@ function setTokenUsed(used) {
 }
 function getTokenUsed() { return simulatedTokenUsed; }
 
+// 'none' simulates an account with no 5-hour limit.
 function setSessionPercent(p) {
-    if (p === null) { simulatedSessionPercent = null; return; }
+    simulatedNoSessionLimit = p === 'none';
+    if (p === null || simulatedNoSessionLimit) { simulatedSessionPercent = null; return; }
     const v = clamp01_100(p);
     if (v === null) return;
     simulatedSessionPercent = v;
 }
 function getSessionPercent() { return simulatedSessionPercent; }
+function isNoSessionLimit() { return simulatedNoSessionLimit; }
 
 function setWeeklyPercent(p) {
     if (p === null) { simulatedWeeklyPercent = null; return; }
@@ -143,6 +147,7 @@ function clearAll() {
     simulatedTokenLevel = null;
     simulatedTokenUsed = null;
     simulatedSessionPercent = null;
+    simulatedNoSessionLimit = false;
     simulatedWeeklyPercent = null;
     simulatedScopedWeekly = null;
     simulatedThresholdIcons = null;
@@ -157,7 +162,7 @@ function clearAll() {
 module.exports = {
     setTokenLevel, getTokenLevel,
     setTokenUsed, getTokenUsed,
-    setSessionPercent, getSessionPercent,
+    setSessionPercent, getSessionPercent, isNoSessionLimit,
     setWeeklyPercent, getWeeklyPercent,
     setScopedWeekly, getScopedWeekly,
     setThresholdIcons, getThresholdIcons,
diff --git a/src/statusBar.js b/src/statusBar.js
index 310ba60..23cfde6 100644
--- a/src/statusBar.js
+++ b/src/statusBar.js
@@ -921,7 +921,10 @@ function createStatusBarItem(context) {
     return statusBarItems.label;
 }
 
-function updateStatusBar(item, usageData, activityStats = null, sessionData = null, credentialsInfo = null) {
+function updateStatusBar(item, usageDataIn, activityStats = null, sessionData = null, credentialsInfo = null) {
+    const usageData = usageDataIn && simulator.isNoSessionLimit()
+        ? { ...usageDataIn, usagePercent: null, resetsAt: null }
+        : usageDataIn;
     // Happy-hour panel is independent of fetch state - render on
     // every tick so the countdown stays fresh.
     const happyHourState = resolveHappyHourState();
diff --git a/src/tooltipComposer.js b/src/tooltipComposer.js
index c38febb..c3f467f 100644
--- a/src/tooltipComposer.js
+++ b/src/tooltipComposer.js
@@ -130,9 +130,11 @@ function renderPlanAndContext(state) {
     const lines = [];
 
     if (credentialsInfo) {
-        const plan = formatSubscriptionType(credentialsInfo.subscriptionType);
         const tier = formatRateLimitTier(credentialsInfo.rateLimitTier);
         const orgType = ORG_TYPE_LABELS[usageData?.accountInfo?.organizationType];
+        // On a personal plan the 'max' token covers both Max and Ultra, so the tier names it.
+        const tierNamesPlan = credentialsInfo.subscriptionType === 'max' && tier && !orgType;
+        const plan = tierNamesPlan ? tier : formatSubscriptionType(credentialsInfo.subscriptionType);
         const orgName = usageData?.accountInfo?.orgName;
 
         let planLabel = plan && esc(plan);
@@ -186,9 +188,12 @@ function renderSessionBlock(state) {
 
     const lines = [''];  // leading blank line for visual separation
     const sessionPercent = usageData.usagePercent;
-    const resetTimeExpanded = calculateResetClockTimeExpanded(usageData.resetsAt);
-    lines.push(`**Session - ${sessionPercent}%**`);
-    lines.push(`Resets ${resetTimeExpanded}`);
+    if (typeof sessionPercent === 'number') {
+        lines.push(`**Session - ${sessionPercent}%**`);
+        lines.push(`Resets ${calculateResetClockTimeExpanded(usageData.resetsAt)}`);
+    } else {
+        lines.push('**Session - no 5-hour limit**');
+    }
     if (config?.tokenLimitOverride > 0) {
         lines.push(`⚙ Context window override ${formatCompact(config.tokenLimitOverride)}`);
     }
diff --git a/tests/unit/apiSchema.test.js b/tests/unit/apiSchema.test.js
index fb7fd28..4dd83f0 100644
--- a/tests/unit/apiSchema.test.js
+++ b/tests/unit/apiSchema.test.js
@@ -186,6 +186,22 @@ describe('processApiResponse', () => {
         expect(result.rawData).toBe(apiData);
     });
 
+    // A verified Ultra account has no 5-hour limit: no five_hour block, no session entry.
+    it.each([
+        ['five_hour null', { five_hour: null }],
+        ['five_hour absent', {}],
+        ['utilization null', { five_hour: { utilization: null, resets_at: null } }],
+    ])('reports no session percent when %s', (_label, sessionShape) => {
+        const result = processApiResponse({
+            ...sessionShape,
+            seven_day: { utilization: 34, resets_at: '2026-11-06T19:00:00Z' },
+            limits: [{ kind: 'weekly_all', group: 'weekly', percent: 34, resets_at: '2026-11-06T19:00:00Z', scope: null }],
+        }, null, null, null);
+        expect(result.usagePercent).toBeNull();
+        expect(result.resetsAt).toBeNull();
+        expect(result.usagePercentWeek).toBe(34);
+    });
+
     // A duration taken at fetch time goes stale in the cache; the stamp does not.
     it('stores the reset stamps as the payload gave them', () => {
         const result = processApiResponse({
diff --git a/tests/unit/credentialsReader.test.js b/tests/unit/credentialsReader.test.js
index a63d837..b1dcb22 100644
--- a/tests/unit/credentialsReader.test.js
+++ b/tests/unit/credentialsReader.test.js
@@ -29,12 +29,11 @@ describe('formatSubscriptionType', () => {
 });
 
 describe('formatRateLimitTier', () => {
-    it('formats max 20x tier', () => {
-        expect(formatRateLimitTier('default_claude_max_20x')).toBe('Max 20x');
-    });
-
-    it('formats max 5x tier', () => {
-        expect(formatRateLimitTier('default_claude_max_5x')).toBe('Max 5x');
+    it.each([
+        ['default_claude_max_20x', 'Ultra'],
+        ['default_claude_max_5x', 'Max'],
+    ])('shows the renamed plan for %s', (tier, label) => {
+        expect(formatRateLimitTier(tier)).toBe(label);
     });
 
     it('formats pro tier', () => {
diff --git a/tests/unit/extensionLifecycle.test.js b/tests/unit/extensionLifecycle.test.js
index e987d58..43d5c5c 100644
--- a/tests/unit/extensionLifecycle.test.js
+++ b/tests/unit/extensionLifecycle.test.js
@@ -310,11 +310,12 @@ describe('identity file re-read', () => {
         writeCache('acct-a', usage(11, { name: 'A', rateLimitTier: 'default_claude_max_5x' }));
         await h.activate();
         await h.runCommand('claudemeter.fetchNow');
-        expect(tooltip()).toContain('Max 5x');
+        expect(tooltip()).toContain('Max');
+        expect(tooltip()).not.toContain('Ultra');
         writeIdentity({ accountUuid: 'acct-a', organizationUuid: 'org-1', organizationType: 'claude_max' });
         await h.fireIdentityChange('.claude.json');
-        expect(tooltip()).toContain('Max 5x');
-        expect(tooltip()).not.toContain('Max 20x');
+        expect(tooltip()).toContain('Max');
+        expect(tooltip()).not.toContain('Ultra');
     });
 
     it('does not copy /profile identity into the credentials record', async () => {
diff --git a/tests/unit/statusBarRender.test.js b/tests/unit/statusBarRender.test.js
index 248913a..1943679 100644
--- a/tests/unit/statusBarRender.test.js
+++ b/tests/unit/statusBarRender.test.js
@@ -449,3 +449,42 @@ describe('Tk profile detection from the render path', () => {
         expect(warnings()).toHaveLength(0);
     });
 });
+
+describe('an account with no 5-hour limit', () => {
+    const simulator = require('../../src/simulator');
+    afterEach(() => simulator.clearAll());
+
+    const noSessionPayload = () => processApiResponse({
+        five_hour: null,
+        seven_day: { utilization: 34, resets_at: new Date(Date.now() + 3 * 86400_000).toISOString() },
+        limits: [{ kind: 'weekly_all', group: 'weekly', percent: 34, resets_at: null, scope: null }],
+    }, null, null, null);
+
+    it.each([
+        ['payload', 'default', () => noSessionPayload()],
+        ['payload', 'compact', () => noSessionPayload()],
+        ['simulator', 'default', () => { simulator.setSessionPercent('none'); return usage(); }],
+        ['simulator', 'compact', () => { simulator.setSessionPercent('none'); return usage(); }],
+    ])('%s, %s mode: draws Wk, no Se, and says so in the tooltip', (_source, mode, makeUsage) => {
+        const panels = freshPanels({ 'statusBar.displayMode': mode });
+        updateStatusBar(null, makeUsage(), null, SESSION, null);
+        if (mode === 'compact') {
+            expect(panels.compact.text).toContain('Wk');
+            expect(panels.compact.text).not.toMatch(/(^|\s)S\d/);
+        } else {
+            expect(panels.session.visible).toBe(false);
+            expect(panels.weekly.visible).toBe(true);
+        }
+        const tooltip = panels.all.map(tip).find((t) => t.includes('**Session'));
+        expect(tooltip).toContain('**Session - no 5-hour limit**');
+    });
+
+    it('a number after "none" brings the session gauge back', () => {
+        const panels = freshPanels();
+        simulator.setSessionPercent('none');
+        simulator.setSessionPercent(55);
+        updateStatusBar(null, usage(), null, SESSION, null);
+        expect(panels.session.visible).toBe(true);
+        expect(panels.session.text).toMatch(/^Se /);
+    });
+});
diff --git a/tests/unit/tooltipComposer.test.js b/tests/unit/tooltipComposer.test.js
index 7a7c594..829fbae 100644
--- a/tests/unit/tooltipComposer.test.js
+++ b/tests/unit/tooltipComposer.test.js
@@ -126,12 +126,16 @@ describe('composeTooltip - outside strings cannot inject a command link', () =>
 });
 
 describe('composeTooltip - plan + context', () => {
-    it('shows plan with Personal suffix when the plan token names no shared org', () => {
+    it.each([
+        ['default_claude_max_5x', 'Max'],
+        ['default_claude_max_20x', 'Ultra'],
+    ])('names a personal %s plan once, with the Personal suffix', (tier, label) => {
         const out = composeTooltip({
             config: baseConfig,
-            credentialsInfo: { subscriptionType: 'max', rateLimitTier: 'default_claude_max_5x' },
+            credentialsInfo: { subscriptionType: 'max', rateLimitTier: tier },
         });
-        expect(out).toMatch(/Max \(Personal\)/);
+        expect(out).toContain(`${label} (Personal)`);
+        expect(out).not.toMatch(/Max 20x|Max 5x|·/);
     });
 
     it.each([
@@ -192,6 +196,15 @@ describe('composeTooltip - session block', () => {
         expect(out).toContain(`Resets ${expected}`);
     });
 
+    it.each([null, undefined])('says there is no 5-hour limit when the percent is %s', (usagePercent) => {
+        const out = composeTooltip({
+            config: baseConfig,
+            usageData: { usagePercent, resetsAt: null, timestamp: new Date() },
+        });
+        expect(out).toContain('**Session - no 5-hour limit**');
+        expect(out).not.toMatch(/Session - (null|undefined)|Resets/);
+    });
+
     it('shows "-" rather than the current time when the stamp is missing', () => {
         const out = composeTooltip({
             config: baseConfig,