diff --git a/frontend/src/components/ModelSelector.tsx b/frontend/src/components/ModelSelector.tsx
index 9a09755..54a767c 100644
--- a/frontend/src/components/ModelSelector.tsx
+++ b/frontend/src/components/ModelSelector.tsx
@@ -2,8 +2,15 @@ import { useEffect, useRef, useState } from "react";
 import { useStore } from "../store/useStore";
 import { ChevronDown } from "./Icon";
 
-/** Sélecteur de modèle Ollama (chip orange de la barre supérieure). */
-export function ModelSelector() {
+/** Sélecteur de modèle Ollama (chip orange, pastille = état de chargement).
+
+    variant "composer" : taille alignée sur les chips du composer, menu vers
+    le haut. */
+export function ModelSelector({
+  variant = "top",
+}: {
+  variant?: "top" | "composer";
+}) {
   const {
     models,
     selectedModel,
@@ -31,7 +38,11 @@ export function ModelSelector() {
     <div className="relative" ref={ref}>
       <button
         onClick={() => setOpen((v) => !v)}
-        className="flex h-[34px] min-w-0 max-w-[260px] items-center gap-2 border-[3px] border-white bg-accent px-3 text-white shadow-accent-soft"
+        className={
+          variant === "composer"
+            ? "flex h-8 min-w-0 max-w-[220px] items-center gap-1.5 border-2 border-line bg-accent px-2.5 text-[13px] text-white"
+            : "flex h-[34px] min-w-0 max-w-[260px] items-center gap-2 border-[3px] border-white bg-accent px-3 text-white shadow-accent-soft"
+        }
         title={selectedModel || undefined}
         style={{ borderRadius: 7 }}
       >
@@ -62,7 +73,13 @@ export function ModelSelector() {
       </button>
 
       {open && (
-        <div className="absolute right-0 top-11 z-20 w-64 border-[3px] border-line bg-card p-1 shadow-hard">
+        <div
+          className={`absolute z-20 w-64 border-[3px] border-line bg-card p-1 shadow-hard ${
+            variant === "composer"
+              ? "bottom-[calc(100%+6px)] left-0"
+              : "right-0 top-11"
+          }`}
+        >
           {models.length === 0 && (
             <div className="px-3 py-2 text-xs text-muted-2">
               Aucun modèle installé
diff --git a/frontend/src/components/TopBar.tsx b/frontend/src/components/TopBar.tsx
index 592283e..0520781 100644
--- a/frontend/src/components/TopBar.tsx
+++ b/frontend/src/components/TopBar.tsx
@@ -2,7 +2,6 @@ import { useEffect, useState } from "react";
 import { useStore } from "../store/useStore";
 import { getVersion } from "../api/client";
 import { LokiMark } from "./Icon";
-import { ModelSelector } from "./ModelSelector";
 import { SessionMenu } from "./SessionMenu";
 
 /** Barre supérieure sombre : logo, fil d'Ariane, statut Ollama, sélecteur. */
@@ -72,8 +71,6 @@ export function TopBar() {
           {connected ? status?.host.replace(/^https?:\/\//, "") : "déconnecté"}
         </span>
       </div>
-
-      <ModelSelector />
     </div>
   );
 }
diff --git a/frontend/src/panels/ChatPanel.tsx b/frontend/src/panels/ChatPanel.tsx
index 5bcf9dd..158f035 100644
--- a/frontend/src/panels/ChatPanel.tsx
+++ b/frontend/src/panels/ChatPanel.tsx
@@ -4,6 +4,7 @@ import { ChevronDown, LokiMark, SendIcon } from "../components/Icon";
 import { ToolCard } from "../components/ToolCard";
 import { MessageContent } from "../components/MessageContent";
 import { ProjectChip } from "../components/ProjectChip";
+import { ModelSelector } from "../components/ModelSelector";
 import type { Message, ToolCall } from "../api/client";
 
 /** Panneau central : barre de contexte, fil de conversation, composer. */
@@ -138,13 +139,7 @@ export function ChatPanel() {
             <div className="mt-1.5 flex items-center gap-2">
               <ModeSelector />
               <ProjectChip />
-              <div
-                className="flex h-8 min-w-0 max-w-[180px] items-center gap-1.5 border-2 border-line px-2.5 text-[13px] text-ink-2"
-                title={selectedModel || undefined}
-              >
-                <span className="h-2 w-2 border-2 border-line bg-accent" />
-                <span className="min-w-0 truncate">{selectedModel || "—"}</span>
-              </div>
+              <ModelSelector variant="composer" />
               {streaming && !showingStreaming ? (
                 <span className="min-w-0 flex-1 truncate text-[13px] text-accent">
                   Travail en cours : {workingSession?.title ?? "session ouverte"}