diff --git a/packages/ui/src/components/chat/multix-v2/index.tsx b/packages/ui/src/components/chat/multix-v2/index.tsx
index 84f5069..e39f680 100644
--- a/packages/ui/src/components/chat/multix-v2/index.tsx
+++ b/packages/ui/src/components/chat/multix-v2/index.tsx
@@ -69,6 +69,7 @@ export default function MultiXV2(props: MultiXV2Props) {
     const [selectedTaskId, setSelectedTaskIdLocal] = createSignal<string | null>(null);
     const [messageIds, setMessageIds] = createSignal<string[]>([]);
     const [cachedModelId, setCachedModelId] = createSignal("unknown");
+    const [cachedProviderId, setCachedProviderId] = createSignal("");
     const [cachedAgent, setCachedAgent] = createSignal("");
     const [cachedTokensUsed, setCachedTokensUsed] = createSignal(0);
     const [cachedCost, setCachedCost] = createSignal(0);
@@ -184,6 +185,9 @@ export default function MultiXV2(props: MultiXV2Props) {
             if (taskSession?.model?.modelId) {
                 setCachedModelId(taskSession.model.modelId);
             }
+            if (taskSession?.model?.providerId) {
+                setCachedProviderId(taskSession.model.providerId);
+            }
             if (taskSession?.agent) {
                 setCachedAgent(taskSession.agent);
             }
@@ -677,11 +681,14 @@ export default function MultiXV2(props: MultiXV2Props) {
                         <LiteModelSelector
                             instanceId={props.instanceId}
                             sessionId={getActiveTaskSessionId()}
-                            currentModel={{ providerId: "", modelId: cachedModelId() }}
+                            currentModel={{ providerId: cachedProviderId(), modelId: cachedModelId() }}
                             onModelChange={(model) => {
                                 // Update the TASK's session, not a global cache
                                 const taskSessionId = getActiveTaskSessionId();
                                 log.info("[MultiX] Changing model for task session", { taskSessionId, model });
+                                // Immediately update cached values for responsive UI
+                                setCachedModelId(model.modelId);
+                                setCachedProviderId(model.providerId);
                                 updateSessionModelForSession(props.instanceId, taskSessionId, model);
                                 // Force immediate sync to reflect the change
                                 setTimeout(() => syncFromStore(), 50);