diff --git a/src/vs/workbench/contrib/void/browser/react/src/sidebar-tsx/SidebarChat.tsx b/src/vs/workbench/contrib/void/browser/react/src/sidebar-tsx/SidebarChat.tsx
index 9c31e142..efc3bd45 100644
--- a/src/vs/workbench/contrib/void/browser/react/src/sidebar-tsx/SidebarChat.tsx
+++ b/src/vs/workbench/contrib/void/browser/react/src/sidebar-tsx/SidebarChat.tsx
@@ -20,7 +20,7 @@ import { VOID_CTRL_L_ACTION_ID } from '../../../actionIDs.js';
 import { VOID_OPEN_SETTINGS_ACTION_ID } from '../../../voidSettingsPane.js';
 import { ChatMode, FeatureName, isFeatureNameDisabled } from '../../../../../../../workbench/contrib/void/common/voidSettingsTypes.js';
 import { WarningBox } from '../void-settings-tsx/WarningBox.js';
-import { getModelCapabilities, getIsResoningEnabledState } from '../../../../common/modelCapabilities.js';
+import { getModelCapabilities, getIsReasoningEnabledState } from '../../../../common/modelCapabilities.js';
 import { AlertTriangle, Ban, ChevronRight, Dot, Pencil, Undo, Undo2, X } from 'lucide-react';
 import { ChatMessage, CheckpointEntry, StagingSelectionItem, ToolMessage, ToolRequestApproval } from '../../../../common/chatThreadServiceTypes.js';
 import { ToolCallParams, ToolName, toolNames, ToolNameWithApproval } from '../../../../common/toolsServiceTypes.js';
@@ -158,7 +158,7 @@ const ReasoningOptionSlider = ({ featureName }: { featureName: FeatureName }) =>
 	const { canTurnOffReasoning, reasoningBudgetSlider } = reasoningCapabilities || {}
 
 	const modelSelectionOptions = voidSettingsState.optionsOfModelSelection[featureName][providerName]?.[modelName]
-	const isReasoningEnabled = getIsResoningEnabledState(providerName, modelName, modelSelectionOptions)
+	const isReasoningEnabled = getIsReasoningEnabledState(featureName, providerName, modelName, modelSelectionOptions)
 	if (canTurnOffReasoning && !reasoningBudgetSlider) { // if it's just a on/off toggle without a power slider (no models right now)
 		return null // unused right now
 		// return <div className='flex items-center gap-x-2'>
@@ -174,12 +174,13 @@ const ReasoningOptionSlider = ({ featureName }: { featureName: FeatureName }) =>
 	if (reasoningBudgetSlider?.type === 'slider') { // if it's a slider
 		const { min: min_, max, default: defaultVal } = reasoningBudgetSlider
 
-		const value = voidSettingsState.optionsOfModelSelection[featureName][modelSelection.providerName]?.[modelSelection.modelName]?.reasoningBudget ?? defaultVal
-
 		const nSteps = 8 // only used in calculating stepSize, stepSize is what actually matters
 		const stepSize = Math.round((max - min_) / nSteps)
 		const min = canTurnOffReasoning ? min_ - stepSize : min_
 
+		const value = isReasoningEnabled ? min_ - stepSize
+			: voidSettingsState.optionsOfModelSelection[featureName][modelSelection.providerName]?.[modelSelection.modelName]?.reasoningBudget ?? defaultVal
+
 		return <div className='flex items-center gap-x-2'>
 			<span className='text-void-fg-3 text-xs pointer-events-none inline-block w-10 pr-1'>Thinking</span>
 			<VoidSlider
diff --git a/src/vs/workbench/contrib/void/common/modelCapabilities.ts b/src/vs/workbench/contrib/void/common/modelCapabilities.ts
index a5c488e3..5417649c 100644
--- a/src/vs/workbench/contrib/void/common/modelCapabilities.ts
+++ b/src/vs/workbench/contrib/void/common/modelCapabilities.ts
@@ -3,7 +3,7 @@
  *  Licensed under the Apache License, Version 2.0. See LICENSE.txt for more information.
  *--------------------------------------------------------------------------------------*/
 
-import { ModelSelectionOptions, ProviderName } from './voidSettingsTypes.js';
+import { FeatureName, ModelSelectionOptions, ProviderName } from './voidSettingsTypes.js';
 
 
 export const defaultModelsOfProvider = {
@@ -807,15 +807,18 @@ export type SendableReasoningInfo = {
 
 
 
-export const getIsResoningEnabledState = (
+export const getIsReasoningEnabledState = (
+	featureName: FeatureName,
 	providerName: ProviderName,
 	modelName: string,
 	modelSelectionOptions: ModelSelectionOptions | undefined,
 ) => {
-	const { supportsReasoning } = getModelCapabilities(providerName, modelName).reasoningCapabilities || {}
+	const { supportsReasoning, canTurnOffReasoning } = getModelCapabilities(providerName, modelName).reasoningCapabilities || {}
 	if (!supportsReasoning) return false
 
-	const defaultEnabledVal = true // if can't toggle reasoning, then this must be true. just true as default
+	// default to enabled if can't turn off, or if the featureName is Chat.
+	const defaultEnabledVal = featureName === 'Chat' || !canTurnOffReasoning
+
 	const isReasoningEnabled = modelSelectionOptions?.reasoningEnabled ?? defaultEnabledVal
 	return isReasoningEnabled
 }
@@ -823,6 +826,7 @@ export const getIsResoningEnabledState = (
 
 // used to force reasoning state (complex) into something simple we can just read from when sending a message
 export const getSendableReasoningInfo = (
+	featureName: FeatureName,
 	providerName: ProviderName,
 	modelName: string,
 	modelSelectionOptions: ModelSelectionOptions | undefined,
@@ -830,7 +834,7 @@ export const getSendableReasoningInfo = (
 
 	const { canIOReasoning, reasoningBudgetSlider } = getModelCapabilities(providerName, modelName).reasoningCapabilities || {}
 	if (!canIOReasoning) return null
-	const isReasoningEnabled = getIsResoningEnabledState(providerName, modelName, modelSelectionOptions)
+	const isReasoningEnabled = getIsReasoningEnabledState(featureName, providerName, modelName, modelSelectionOptions)
 	if (!isReasoningEnabled) return null
 
 	// check for reasoning budget
diff --git a/src/vs/workbench/contrib/void/electron-main/llmMessage/sendLLMMessage.impl.ts b/src/vs/workbench/contrib/void/electron-main/llmMessage/sendLLMMessage.impl.ts
index 1d61af41..a4bce5b9 100644
--- a/src/vs/workbench/contrib/void/electron-main/llmMessage/sendLLMMessage.impl.ts
+++ b/src/vs/workbench/contrib/void/electron-main/llmMessage/sendLLMMessage.impl.ts
@@ -165,7 +165,7 @@ const _sendOpenAICompatibleChat = ({ messages: messages_, onText, onFinalMessage
 
 	// reasoning
 	const { canIOReasoning, openSourceThinkTags, } = reasoningCapabilities || {}
-	const reasoningInfo = getSendableReasoningInfo(providerName, modelName_, modelSelectionOptions) // user's modelName_ here
+	const reasoningInfo = getSendableReasoningInfo('Chat', providerName, modelName_, modelSelectionOptions) // user's modelName_ here
 	const includeInPayload = providerReasoningIOSettings?.input?.includeInPayload?.(reasoningInfo) || {}
 
 	// tools
@@ -325,7 +325,7 @@ const sendAnthropicChat = ({ messages: messages_, providerName, onText, onFinalM
 	const { providerReasoningIOSettings } = getProviderCapabilities(providerName)
 
 	// reasoning
-	const reasoningInfo = getSendableReasoningInfo(providerName, modelName_, modelSelectionOptions) // user's modelName_ here
+	const reasoningInfo = getSendableReasoningInfo('Chat', providerName, modelName_, modelSelectionOptions) // user's modelName_ here
 	const includeInPayload = providerReasoningIOSettings?.input?.includeInPayload?.(reasoningInfo) || {}
 
 	// tools