diff --git a/apps/web/src/components/ChatView.tsx b/apps/web/src/components/ChatView.tsx
index d2ec0af4ed20..db51b8e01e0b 100644
--- a/apps/web/src/components/ChatView.tsx
+++ b/apps/web/src/components/ChatView.tsx
@@ -8729,11 +8729,13 @@ export default function ChatView(props: ChatViewProps) {
           interactionMode,
         });
         if (settingsResult._tag === "Failure") return settingsResult;
+        const modelSelection = composerRef.current?.getSendContext().selectedModelSelection;
         const turnResult = await startThreadTurn({
           environmentId,
           input: {
             threadId,
             manualContinuationOfRunId: resumableRunId,
+            ...(modelSelection ? { modelSelection } : {}),
             message: {
               messageId: newMessageId(),
               role: "user",