diff --git a/src/renderer/components/team/dialogs/CreateTeamDialog.tsx b/src/renderer/components/team/dialogs/CreateTeamDialog.tsx
index cc7e689c..808ce29f 100644
--- a/src/renderer/components/team/dialogs/CreateTeamDialog.tsx
+++ b/src/renderer/components/team/dialogs/CreateTeamDialog.tsx
@@ -74,6 +74,7 @@ import { isGeminiUiFrozen } from '@renderer/utils/geminiUiFreeze';
 import { normalizePath } from '@renderer/utils/pathNormalize';
 import { resolveUiOwnedProviderBackendId } from '@renderer/utils/providerBackendIdentity';
 import { refreshCliStatusForCurrentMode } from '@renderer/utils/refreshCliStatus';
+import { getAvailableTeamEffortValue } from '@renderer/utils/teamEffortOptions';
 import {
   getTeamModelSelectionError,
   normalizeExplicitTeamModelForUi,
@@ -779,9 +780,27 @@ export const CreateTeamDialog = ({
     };
   }, []);
 
+  const selectedEffortForCurrentSelection = useMemo(
+    () =>
+      getAvailableTeamEffortValue({
+        providerId: selectedProviderId,
+        model: selectedModel,
+        limitContext: effectiveAnthropicRuntimeLimitContext,
+        providerStatus: runtimeProviderStatusById.get(selectedProviderId),
+        value: selectedEffort,
+      }),
+    [
+      effectiveAnthropicRuntimeLimitContext,
+      runtimeProviderStatusById,
+      selectedEffort,
+      selectedModel,
+      selectedProviderId,
+    ]
+  );
+
   const selectedModelChecksByProvider = useMemo(() => {
     const modelsByProvider = new Map<TeamProviderId, TeamProvisioningModelCheckRequest[]>();
-    const leadEffort = (selectedEffort as EffortLevel | '') || undefined;
+    const leadEffort = (selectedEffortForCurrentSelection as EffortLevel | '') || undefined;
     const addModel = (
       providerId: TeamProviderId,
       model: string | undefined,
@@ -850,7 +869,7 @@ export const CreateTeamDialog = ({
     effectiveAnthropicRuntimeLimitContext,
     effectiveMemberDrafts,
     runtimeProviderStatusById,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedModel,
     selectedProviderId,
   ]);
@@ -1560,13 +1579,13 @@ export const CreateTeamDialog = ({
                 selectedModel,
                 limitContext: effectiveAnthropicRuntimeLimitContext,
               }),
-            selectedEffort,
+            selectedEffort: selectedEffortForCurrentSelection,
             selectedFastMode,
             providerFastModeDefault: anthropicProviderFastModeDefault,
             runtimeCapabilities: runtimeProviderStatusById.get('anthropic')?.runtimeCapabilities,
           })
         : {
-            nextEffort: selectedEffort,
+            nextEffort: selectedEffortForCurrentSelection,
             effortResetReason: null,
             ...reconcileCodexRuntimeSelections({
               selection:
@@ -1586,7 +1605,11 @@ export const CreateTeamDialog = ({
           };
 
     const notices: string[] = [];
-    if (reconciliation.nextEffort !== selectedEffort) {
+    if (selectedEffortForCurrentSelection !== selectedEffort) {
+      setSelectedEffortRaw(selectedEffortForCurrentSelection);
+      setStoredCreateTeamEffort(selectedEffortForCurrentSelection);
+    }
+    if (reconciliation.nextEffort !== selectedEffortForCurrentSelection) {
       setSelectedEffortRaw(reconciliation.nextEffort);
       setStoredCreateTeamEffort(reconciliation.nextEffort);
       if (reconciliation.effortResetReason) {
@@ -1608,6 +1631,7 @@ export const CreateTeamDialog = ({
     effectiveAnthropicRuntimeLimitContext,
     runtimeProviderStatusById,
     selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedFastMode,
     selectedModel,
     selectedProviderId,
@@ -1634,7 +1658,7 @@ export const CreateTeamDialog = ({
       providerId: selectedProviderId,
       providerBackendId: selectedProviderBackendId ?? undefined,
       model: effectiveModel,
-      effort: (selectedEffort as EffortLevel) || undefined,
+      effort: (selectedEffortForCurrentSelection as EffortLevel) || undefined,
       fastMode:
         selectedProviderId === 'anthropic' || selectedProviderId === 'codex'
           ? selectedFastMode
@@ -1655,7 +1679,7 @@ export const CreateTeamDialog = ({
       selectedProviderId,
       selectedProviderBackendId,
       effectiveModel,
-      selectedEffort,
+      selectedEffortForCurrentSelection,
       selectedFastMode,
       effectiveAnthropicRuntimeLimitContext,
       skipPermissions,
@@ -1768,8 +1792,8 @@ export const CreateTeamDialog = ({
     if (effectiveModel) args.push('--model', effectiveModel);
     const effectiveEffort =
       selectedProviderId === 'anthropic'
-        ? selectedEffort || anthropicRuntimeSelection?.defaultEffort || ''
-        : selectedEffort;
+        ? selectedEffortForCurrentSelection || anthropicRuntimeSelection?.defaultEffort || ''
+        : selectedEffortForCurrentSelection;
     if (effectiveEffort) args.push('--effort', effectiveEffort);
     if (selectedProviderId === 'anthropic') {
       const fastSettings = anthropicFastModeResolution?.resolvedFastMode
@@ -1785,7 +1809,7 @@ export const CreateTeamDialog = ({
     anthropicRuntimeSelection?.defaultEffort,
     codexFastModeResolution?.resolvedFastMode,
     effectiveModel,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedProviderId,
     skipPermissions,
   ]);
@@ -2172,7 +2196,7 @@ export const CreateTeamDialog = ({
               defaultProviderId={selectedProviderId}
               inheritedProviderId={selectedProviderId}
               inheritedModel={selectedModel}
-              inheritedEffort={(selectedEffort as EffortLevel) || undefined}
+              inheritedEffort={(selectedEffortForCurrentSelection as EffortLevel) || undefined}
               inheritModelSettingsByDefault
               lockProviderModel={syncModelsWithLead}
               forceInheritedModelSettings={syncModelsWithLead}
@@ -2180,7 +2204,7 @@ export const CreateTeamDialog = ({
               hideMembersContent={soloTeam}
               providerId={selectedProviderId}
               model={selectedModel}
-              effort={(selectedEffort as EffortLevel) || undefined}
+              effort={(selectedEffortForCurrentSelection as EffortLevel) || undefined}
               limitContext={effectiveAnthropicRuntimeLimitContext}
               leadProviderNoticeById={teammateRuntimeProviderNoticeById}
               onProviderChange={setSelectedProviderId}
diff --git a/src/renderer/components/team/dialogs/EffortLevelSelector.tsx b/src/renderer/components/team/dialogs/EffortLevelSelector.tsx
index 9af044f4..a673bd4a 100644
--- a/src/renderer/components/team/dialogs/EffortLevelSelector.tsx
+++ b/src/renderer/components/team/dialogs/EffortLevelSelector.tsx
@@ -3,7 +3,10 @@ import React, { useEffect, useMemo } from 'react';
 import { Label } from '@renderer/components/ui/label';
 import { useEffectiveCliProviderStatus } from '@renderer/hooks/useEffectiveCliProviderStatus';
 import { cn } from '@renderer/lib/utils';
-import { getTeamEffortSelectorPresentation } from '@renderer/utils/teamEffortOptions';
+import {
+  getAvailableTeamEffortValue,
+  getTeamEffortSelectorPresentation,
+} from '@renderer/utils/teamEffortOptions';
 import { Brain } from 'lucide-react';
 
 import type { TeamProviderId } from '@shared/types';
@@ -33,6 +36,13 @@ export const EffortLevelSelector: React.FC<EffortLevelSelectorProps> = ({
     providerStatus,
   });
   const effortOptions = presentation.options;
+  const displayValue = getAvailableTeamEffortValue({
+    providerId,
+    model,
+    limitContext,
+    providerStatus,
+    value,
+  });
   const validValues = useMemo(
     () => new Set(effortOptions.map((option) => option.value)),
     [effortOptions]
@@ -59,13 +69,13 @@ export const EffortLevelSelector: React.FC<EffortLevelSelectorProps> = ({
             <button
               key={opt.value || '__default__'}
               type="button"
-              id={opt.value === value ? id : undefined}
+              id={opt.value === displayValue ? id : undefined}
               disabled={presentation.disabled}
               className={cn(
                 'rounded-[3px] px-3 py-1 text-xs font-medium transition-colors',
                 presentation.disabled
                   ? 'cursor-not-allowed text-[var(--color-text-muted)] opacity-70'
-                  : value === opt.value
+                  : displayValue === opt.value
                     ? 'bg-[var(--color-surface-raised)] text-[var(--color-text)] shadow-sm'
                     : 'text-[var(--color-text-muted)] hover:text-[var(--color-text-secondary)]'
               )}
diff --git a/src/renderer/components/team/dialogs/LaunchTeamDialog.tsx b/src/renderer/components/team/dialogs/LaunchTeamDialog.tsx
index 859e5380..be8a75e7 100644
--- a/src/renderer/components/team/dialogs/LaunchTeamDialog.tsx
+++ b/src/renderer/components/team/dialogs/LaunchTeamDialog.tsx
@@ -64,6 +64,7 @@ import { normalizePath } from '@renderer/utils/pathNormalize';
 import { nameColorSet } from '@renderer/utils/projectColor';
 import { resolveUiOwnedProviderBackendId } from '@renderer/utils/providerBackendIdentity';
 import { refreshCliStatusForCurrentMode } from '@renderer/utils/refreshCliStatus';
+import { getAvailableTeamEffortValue } from '@renderer/utils/teamEffortOptions';
 import {
   getTeamModelSelectionError,
   normalizeExplicitTeamModelForUi,
@@ -1081,6 +1082,24 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     [codexRuntimeSelection, selectedFastMode, selectedProviderId]
   );
 
+  const selectedEffortForCurrentSelection = useMemo(
+    () =>
+      getAvailableTeamEffortValue({
+        providerId: selectedProviderId,
+        model: selectedModel,
+        limitContext: effectiveAnthropicRuntimeLimitContext,
+        providerStatus: runtimeProviderStatusById.get(selectedProviderId),
+        value: selectedEffort,
+      }),
+    [
+      effectiveAnthropicRuntimeLimitContext,
+      runtimeProviderStatusById,
+      selectedEffort,
+      selectedModel,
+      selectedProviderId,
+    ]
+  );
+
   useEffect(() => {
     if (isSchedule && schedule) {
       const nextHydrationKey = `${schedule.id}:${schedule.updatedAt ?? ''}`;
@@ -1107,13 +1126,13 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
                 selectedModel,
                 limitContext: effectiveAnthropicRuntimeLimitContext,
               }),
-            selectedEffort,
+            selectedEffort: selectedEffortForCurrentSelection,
             selectedFastMode,
             providerFastModeDefault: anthropicProviderFastModeDefault,
             runtimeCapabilities: runtimeProviderStatusById.get('anthropic')?.runtimeCapabilities,
           })
         : {
-            nextEffort: selectedEffort,
+            nextEffort: selectedEffortForCurrentSelection,
             effortResetReason: null,
             ...reconcileCodexRuntimeSelections({
               selection:
@@ -1139,7 +1158,11 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
           };
 
     const notices: string[] = [];
-    if (reconciliation.nextEffort !== selectedEffort) {
+    if (selectedEffortForCurrentSelection !== selectedEffort) {
+      setSelectedEffortRaw(selectedEffortForCurrentSelection);
+      localStorage.setItem('team:lastSelectedEffort', selectedEffortForCurrentSelection);
+    }
+    if (reconciliation.nextEffort !== selectedEffortForCurrentSelection) {
       setSelectedEffortRaw(reconciliation.nextEffort);
       localStorage.setItem('team:lastSelectedEffort', reconciliation.nextEffort);
       if (reconciliation.effortResetReason) {
@@ -1163,6 +1186,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     runtimeProviderStatusById,
     savedLaunchProviderBackendId,
     selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedFastMode,
     selectedModel,
     selectedProviderId,
@@ -1173,7 +1197,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
 
   const selectedModelChecksByProvider = useMemo(() => {
     const modelsByProvider = new Map<TeamProviderId, TeamProvisioningModelCheckRequest[]>();
-    const leadEffort = (selectedEffort as EffortLevel | '') || undefined;
+    const leadEffort = (selectedEffortForCurrentSelection as EffortLevel | '') || undefined;
     const addModel = (
       providerId: TeamProviderId,
       model: string | undefined,
@@ -1237,7 +1261,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     effectiveLeadRuntimeModel,
     effectiveMemberDrafts,
     runtimeProviderStatusById,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedModel,
     selectedProviderId,
   ]);
@@ -1256,7 +1280,8 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
       previousProviderId &&
       (previousProviderId !== selectedProviderId ||
         previousLeadModel !== currentLeadDisplayModel ||
-        (previousLeadEffort ?? '') !== ((selectedEffort as EffortLevel | '') || ''))
+        (previousLeadEffort ?? '') !==
+          ((selectedEffortForCurrentSelection as EffortLevel | '') || ''))
     ) {
       notes.push({
         key: 'lead',
@@ -1264,7 +1289,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
         message: `${formatTeamModelSummary(
           selectedProviderId,
           currentLeadDisplayModel,
-          (selectedEffort as EffortLevel) || undefined
+          (selectedEffortForCurrentSelection as EffortLevel) || undefined
         )} instead of ${formatTeamModelSummary(
           previousProviderId,
           previousLeadModel,
@@ -1300,7 +1325,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
         member,
         selectedProviderId,
         currentLeadDisplayModel,
-        (selectedEffort as EffortLevel) || undefined
+        (selectedEffortForCurrentSelection as EffortLevel) || undefined
       );
 
       const {
@@ -1358,7 +1383,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     selectedProviderId,
     selectedModel,
     effectiveLeadRuntimeModel,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     members,
     effectiveMemberDrafts,
   ]);
@@ -1907,8 +1932,8 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     if (model) args.push('--model', model);
     const effectiveEffort =
       selectedProviderId === 'anthropic'
-        ? selectedEffort || anthropicRuntimeSelection?.defaultEffort || ''
-        : selectedEffort;
+        ? selectedEffortForCurrentSelection || anthropicRuntimeSelection?.defaultEffort || ''
+        : selectedEffortForCurrentSelection;
     if (effectiveEffort) args.push('--effort', effectiveEffort);
     if (selectedProviderId === 'anthropic') {
       const fastSettings = anthropicFastModeResolution?.resolvedFastMode
@@ -1927,7 +1952,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     skipPermissions,
     selectedModel,
     effectiveAnthropicRuntimeLimitContext,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedProviderId,
     runtimeProviderStatusById,
   ]);
@@ -1947,7 +1972,9 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     }
     summary.push(`Provider: ${getProviderLabel(selectedProviderId)}`);
     if (selectedModel) summary.push(`Model: ${selectedModel}`);
-    if (selectedEffort) summary.push(`Effort: ${selectedEffort}`);
+    if (selectedEffortForCurrentSelection) {
+      summary.push(`Effort: ${selectedEffortForCurrentSelection}`);
+    }
     if (selectedProviderId === 'anthropic' || selectedProviderId === 'codex') {
       if (selectedFastMode === 'on') summary.push('Fast mode');
       else if (selectedFastMode === 'off') summary.push('Fast disabled');
@@ -1969,7 +1996,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
     promptDraft.value,
     selectedModel,
     selectedProviderId,
-    selectedEffort,
+    selectedEffortForCurrentSelection,
     selectedFastMode,
     anthropicProviderFastModeDefault,
     effectiveAnthropicRuntimeLimitContext,
@@ -2222,7 +2249,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
               selectedProviderId,
               runtimeProviderStatusById.get(selectedProviderId)
             ),
-            effort: (selectedEffort as EffortLevel) || undefined,
+            effort: (selectedEffortForCurrentSelection as EffortLevel) || undefined,
             fastMode:
               selectedProviderId === 'anthropic' || selectedProviderId === 'codex'
                 ? selectedFastMode
@@ -2258,8 +2285,8 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
             selectedProviderId,
             runtimeProviderStatusById.get(selectedProviderId)
           );
-          const explicitScheduleEffort = selectedEffort
-            ? (selectedEffort as EffortLevel)
+          const explicitScheduleEffort = selectedEffortForCurrentSelection
+            ? (selectedEffortForCurrentSelection as EffortLevel)
             : undefined;
           const scheduleEffort =
             selectedProviderId === 'anthropic'
@@ -2687,14 +2714,14 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
                   defaultProviderId={selectedProviderId}
                   inheritedProviderId={selectedProviderId}
                   inheritedModel={selectedModel}
-                  inheritedEffort={(selectedEffort as EffortLevel) || undefined}
+                  inheritedEffort={(selectedEffortForCurrentSelection as EffortLevel) || undefined}
                   inheritModelSettingsByDefault
                   lockProviderModel={syncModelsWithLead}
                   forceInheritedModelSettings={syncModelsWithLead}
                   modelLockReason="This teammate is synced with the lead model. Turn off sync to set a custom provider, model, or effort."
                   providerId={selectedProviderId}
                   model={selectedModel}
-                  effort={(selectedEffort as EffortLevel) || undefined}
+                  effort={(selectedEffortForCurrentSelection as EffortLevel) || undefined}
                   limitContext={effectiveAnthropicRuntimeLimitContext}
                   leadProviderNoticeById={teammateRuntimeProviderNoticeById}
                   onProviderChange={setSelectedProviderId}
@@ -2893,7 +2920,7 @@ export const LaunchTeamDialog = (props: LaunchTeamDialogProps): React.JSX.Elemen
                   }}
                 />
                 <EffortLevelSelector
-                  value={selectedEffort}
+                  value={selectedEffortForCurrentSelection}
                   onValueChange={setSelectedEffort}
                   id="dialog-effort"
                   providerId={selectedProviderId}
diff --git a/src/renderer/utils/__tests__/teamEffortOptions.test.ts b/src/renderer/utils/__tests__/teamEffortOptions.test.ts
index 445efdcd..e2af4d2f 100644
--- a/src/renderer/utils/__tests__/teamEffortOptions.test.ts
+++ b/src/renderer/utils/__tests__/teamEffortOptions.test.ts
@@ -1,6 +1,10 @@
 import { describe, expect, it } from 'vitest';
 
-import { getTeamEffortOptions, getTeamEffortSelectorPresentation } from '../teamEffortOptions';
+import {
+  getAvailableTeamEffortValue,
+  getTeamEffortOptions,
+  getTeamEffortSelectorPresentation,
+} from '../teamEffortOptions';
 
 import type { CliProviderStatus } from '@shared/types';
 
@@ -326,4 +330,29 @@ describe('team effort options', () => {
       unavailableText: 'Effort is unavailable for this model.',
     });
   });
+
+  it('omits stale Anthropic effort when the selected model has no effort support', () => {
+    const providerStatus = createProviderStatus('anthropic', {
+      id: 'haiku',
+      launchModel: 'claude-haiku-4-5-20251001',
+      displayName: 'Haiku 4.5',
+      hidden: false,
+      supportedReasoningEfforts: [],
+      defaultReasoningEffort: null,
+      inputModalities: ['text', 'image'],
+      supportsPersonality: false,
+      isDefault: false,
+      upgrade: false,
+      source: 'anthropic-models-api',
+    });
+
+    expect(
+      getAvailableTeamEffortValue({
+        providerId: 'anthropic',
+        model: 'claude-haiku-4-5-20251001',
+        providerStatus,
+        value: 'medium',
+      })
+    ).toBe('');
+  });
 });
diff --git a/src/renderer/utils/teamEffortOptions.ts b/src/renderer/utils/teamEffortOptions.ts
index 6ebc78cc..41bbdb4b 100644
--- a/src/renderer/utils/teamEffortOptions.ts
+++ b/src/renderer/utils/teamEffortOptions.ts
@@ -213,3 +213,19 @@ export function getTeamEffortSelectorPresentation(params: {
     canValidateValue: true,
   };
 }
+
+export function getAvailableTeamEffortValue(params: {
+  providerId?: TeamProviderId;
+  model?: string;
+  limitContext?: boolean;
+  providerStatus?: CliProviderStatus | null;
+  value?: string | null;
+}): string {
+  const value = params.value?.trim() ?? '';
+  if (!value) {
+    return '';
+  }
+
+  const presentation = getTeamEffortSelectorPresentation(params);
+  return presentation.disabled && presentation.canValidateValue ? '' : value;
+}
diff --git a/test/renderer/components/team/dialogs/EffortLevelSelector.test.tsx b/test/renderer/components/team/dialogs/EffortLevelSelector.test.tsx
index 08a59d07..a90ba389 100644
--- a/test/renderer/components/team/dialogs/EffortLevelSelector.test.tsx
+++ b/test/renderer/components/team/dialogs/EffortLevelSelector.test.tsx
@@ -1,8 +1,8 @@
 import React, { act } from 'react';
 import { createRoot } from 'react-dom/client';
-import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import { EffortLevelSelector } from '@renderer/components/team/dialogs/EffortLevelSelector';
+import { beforeEach, describe, expect, it, vi } from 'vitest';
 
 import type { CliProviderStatus } from '@shared/types';