diff --git a/artifacts/flask-api/ai_agent.py b/artifacts/flask-api/ai_agent.py
index 447c71e..2d8266a 100644
--- a/artifacts/flask-api/ai_agent.py
+++ b/artifacts/flask-api/ai_agent.py
@@ -11,6 +11,7 @@ import logging
 from openai import OpenAI, BadRequestError
 from legal_framework import LEGAL_FILTER_PROMPT, SYNTHESIS_PROMPT, LAW_CHECK_PROMPT, build_filter_prompt
 from legifrance_client import get_legifrance_client
+from database import get_setting
 
 logger = logging.getLogger(__name__)
 
@@ -36,6 +37,16 @@ def _get_live_legal_texts() -> dict[str, str]:
         return {}
 
 
+def get_model(kind: str) -> str:
+    """kind = "filter" | "synthesis". Priorité : réglage admin (DB) > env > défaut."""
+    default = "mistral-small-latest" if kind == "filter" else "mistral-large-latest"
+    try:
+        saved = get_setting(f"{kind}_model")
+    except Exception:
+        saved = None
+    return saved or os.environ.get(f"{kind.upper()}_MODEL", os.environ.get(f"OPENAI_{kind.upper()}_MODEL", default))
+
+
 def get_client() -> OpenAI:
     """
     Supporte deux modes (par ordre de priorité) :
@@ -75,7 +86,7 @@ def filter_idea(content: str) -> dict:
     """
     try:
         client = get_client()
-        filter_model = os.environ.get("FILTER_MODEL", os.environ.get("OPENAI_FILTER_MODEL", "mistral-small-latest"))
+        filter_model = get_model("filter")
         live_texts = _get_live_legal_texts()
         system_prompt = build_filter_prompt(live_texts)
         if live_texts:
@@ -137,7 +148,7 @@ def check_existing_law(content: str) -> str:
     """
     try:
         client = get_client()
-        model = os.environ.get("FILTER_MODEL", os.environ.get("OPENAI_FILTER_MODEL", "mistral-small-latest"))
+        model = get_model("filter")
         response = client.chat.completions.create(
             model=model,
             max_tokens=200,
@@ -165,7 +176,7 @@ def synthesize_ideas(ideas: list[str]) -> str:
         )
     try:
         client = get_client()
-        synthesis_model = os.environ.get("SYNTHESIS_MODEL", os.environ.get("OPENAI_SYNTHESIS_MODEL", "mistral-large-latest"))
+        synthesis_model = get_model("synthesis")
         ideas_text = "\n".join(f"{i + 1}. {idea}" for i, idea in enumerate(ideas))
         response = client.chat.completions.create(
             model=synthesis_model,
diff --git a/artifacts/flask-api/app.py b/artifacts/flask-api/app.py
index 4282d0a..62d4fc3 100644
--- a/artifacts/flask-api/app.py
+++ b/artifacts/flask-api/app.py
@@ -58,8 +58,9 @@ from database import (
     close_consultation, get_consultations_to_autoclose, get_consultation_stats,
     get_consultation_contributions, delete_consultation,
     check_ip_blacklist, record_ip_rejection, get_ip_blacklist, remove_ip_blacklist,
+    set_setting,
 )
-from ai_agent import filter_idea, synthesize_ideas, check_existing_law
+from ai_agent import filter_idea, synthesize_ideas, check_existing_law, get_client, get_model
 
 # ─── Logging ────────────────────────────────────────────────────────────────
 
@@ -1290,6 +1291,51 @@ def admin_regenerate_synthesis():
     return jsonify({"ok": True, "message": "Régénération lancée en arrière-plan."})
 
 
+@app.get("/api/admin/ai/models")
+@require_admin
+def admin_ai_models():
+    """Modèles actuellement actifs + liste de ceux accessibles avec la clé en place."""
+    out = {"filter": get_model("filter"), "synthesis": get_model("synthesis"), "available": [], "error": None}
+    try:
+        out["available"] = sorted(m.id for m in get_client().models.list().data)
+    except Exception as e:
+        logger.warning("Admin — liste des modèles IA impossible : %s", type(e).__name__)
+        out["error"] = f"{type(e).__name__}: {str(e)[:200]}"
+    return jsonify(out)
+
+
+@app.post("/api/admin/ai/models")
+@require_admin
+def admin_ai_set_models():
+    """Enregistre les modèles filter/synthesis (chaîne vide → retour à l'env)."""
+    body = request.get_json(silent=True) or {}
+    for kind in ("filter", "synthesis"):
+        if kind in body:
+            v = str(body[kind] or "").strip()
+            if len(v) > 100:
+                return jsonify({"error": "invalid_model"}), 400
+            set_setting(f"{kind}_model", v or None)
+    logger.info("Admin — modèles IA mis à jour")
+    return jsonify({"ok": True, "filter": get_model("filter"), "synthesis": get_model("synthesis")})
+
+
+@app.post("/api/admin/ai/test")
+@require_admin
+@limiter.limit("10 per minute")
+def admin_ai_test():
+    """Appel minimal (1 token) pour vérifier qu'un modèle répond avec la clé en place."""
+    model = str((request.get_json(silent=True) or {}).get("model", "")).strip()
+    if not model or len(model) > 100:
+        return jsonify({"error": "invalid_model"}), 400
+    try:
+        get_client().chat.completions.create(
+            model=model, max_tokens=1, messages=[{"role": "user", "content": "ping"}],
+        )
+        return jsonify({"ok": True})
+    except Exception as e:
+        return jsonify({"ok": False, "error": f"{type(e).__name__}: {str(e)[:200]}"})
+
+
 @app.get("/api/admin/export/csv")
 @require_admin
 def admin_export_csv():
diff --git a/artifacts/flask-api/database.py b/artifacts/flask-api/database.py
index e25bc46..eb09283 100644
--- a/artifacts/flask-api/database.py
+++ b/artifacts/flask-api/database.py
@@ -114,6 +114,7 @@ def init_db() -> None:
             )
         """)
         cur.execute("CREATE INDEX IF NOT EXISTS idx_ip_abuse_expires ON ip_abuse(expires_at)")
+        cur.execute("CREATE TABLE IF NOT EXISTS settings (key TEXT PRIMARY KEY, value TEXT NOT NULL)")
     logger.info("Base de données initialisée.")
 
 
@@ -575,3 +576,25 @@ def delete_consultation(consultation_id: int) -> bool:
         cur.execute("DELETE FROM synthesis WHERE consultation_id = %s", (consultation_id,))
         cur.execute("DELETE FROM consultations WHERE id = %s RETURNING id", (consultation_id,))
         return cur.fetchone() is not None
+
+
+# ─── Réglages (clé/valeur) ────────────────────────────────────────────────────
+
+def get_setting(key: str) -> str | None:
+    with db_cursor() as cur:
+        cur.execute("SELECT value FROM settings WHERE key = %s", (key,))
+        row = cur.fetchone()
+    return row["value"] if row else None
+
+
+def set_setting(key: str, value: str | None) -> None:
+    """value=None → supprime le réglage (retour à la valeur d'environnement)."""
+    with db_cursor() as cur:
+        if value is None:
+            cur.execute("DELETE FROM settings WHERE key = %s", (key,))
+        else:
+            cur.execute(
+                "INSERT INTO settings (key, value) VALUES (%s, %s) "
+                "ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value",
+                (key, value),
+            )
diff --git a/artifacts/voix-du-peuple/src/pages/admin.tsx b/artifacts/voix-du-peuple/src/pages/admin.tsx
index 014313d..73aca64 100644
--- a/artifacts/voix-du-peuple/src/pages/admin.tsx
+++ b/artifacts/voix-du-peuple/src/pages/admin.tsx
@@ -670,13 +670,78 @@ function BlacklistPanel() {
   );
 }
 
+function AiModelsPanel() {
+  const { toast } = useToast();
+  const [data, setData] = useState<{ filter: string; synthesis: string; available: string[]; error: string | null } | null>(null);
+  const [filter, setFilter] = useState("");
+  const [synthesis, setSynthesis] = useState("");
+  const [busy, setBusy] = useState(false);
+
+  const load = useCallback(async () => {
+    const res = await adminFetch("/api/admin/ai/models");
+    if (!res.ok) return;
+    const d = await res.json();
+    setData(d); setFilter(d.filter); setSynthesis(d.synthesis);
+  }, []);
+  useEffect(() => { load(); }, [load]);
+
+  const test = async (model: string) => {
+    setBusy(true);
+    const r = await adminFetch("/api/admin/ai/test", { method: "POST", body: JSON.stringify({ model }) });
+    const d = await r.json().catch(() => ({}));
+    setBusy(false);
+    toast(d.ok
+      ? { title: "Modèle OK", description: model }
+      : { title: "Échec", description: d.error ?? `Erreur ${r.status}`, variant: "destructive" });
+    return !!d.ok;
+  };
+
+  const save = async () => {
+    setBusy(true);
+    const r = await adminFetch("/api/admin/ai/models", { method: "POST", body: JSON.stringify({ filter, synthesis }) });
+    setBusy(false);
+    toast(r.ok ? { title: "Modèles enregistrés" } : { title: "Erreur", variant: "destructive" });
+    if (r.ok) load();
+  };
+
+  const opts = data?.available ?? [];
+  const field = (label: string, value: string, set: (v: string) => void) => (
+    <div className="space-y-1">
+      <label className="text-xs text-muted-foreground">{label}</label>
+      <div className="flex gap-2">
+        <Input list="ai-models" value={value} onChange={e => set(e.target.value)} className="font-mono text-xs" />
+        <Button size="sm" variant="outline" disabled={busy || !value} onClick={() => test(value)}>Tester</Button>
+      </div>
+    </div>
+  );
+
+  return (
+    <div className="space-y-4">
+      <h2 className="font-serif font-semibold text-lg text-primary">Modèles IA</h2>
+      {data?.error && (
+        <div className="text-xs border border-destructive/40 rounded-md p-3 bg-destructive/5 text-destructive">
+          Clé API inutilisable ou fournisseur injoignable : <span className="font-mono">{data.error}</span>
+          <p className="mt-1 text-muted-foreground">La clé se change dans <code>MISTRAL_API_KEY</code> (.env) puis redémarrage de l'API.</p>
+        </div>
+      )}
+      <datalist id="ai-models">{opts.map(m => <option key={m} value={m} />)}</datalist>
+      {field("Modèle de filtrage (rapide)", filter, setFilter)}
+      {field("Modèle de synthèse (qualité)", synthesis, setSynthesis)}
+      <div className="flex items-center gap-3">
+        <Button size="sm" onClick={save} disabled={busy}>Enregistrer</Button>
+        <span className="text-xs text-muted-foreground">{opts.length} modèle(s) accessible(s) avec la clé actuelle</span>
+      </div>
+    </div>
+  );
+}
+
 // ─── Composant principal Admin ────────────────────────────────────────────────
 
 export default function Admin() {
   const { authed, login, logout } = useAdminAuth();
   const { toast } = useToast();
 
-  const [activePanel, setActivePanel] = useState<"contributions" | "consultations" | "blacklist">("contributions");
+  const [activePanel, setActivePanel] = useState<"contributions" | "consultations" | "blacklist" | "ia">("contributions");
   const [stats, setStats] = useState<Stats | null>(null);
   const [list, setList] = useState<IdeaList | null>(null);
   const [status, setStatus] = useState("all");
@@ -875,6 +940,16 @@ export default function Admin() {
           >
             <ShieldBan className="h-3 w-3" /> Blacklist
           </button>
+          <button
+            onClick={() => setActivePanel("ia")}
+            className={`px-3 py-1 rounded-md text-xs font-medium transition-colors ${
+              activePanel === "ia"
+                ? "bg-background text-foreground shadow-sm"
+                : "text-muted-foreground hover:text-foreground"
+            }`}
+          >
+            IA
+          </button>
         </div>
 
         <div className="ml-auto flex items-center gap-2">
@@ -904,6 +979,8 @@ export default function Admin() {
           <ConsultationsPanel />
         )}
 
+        {activePanel === "ia" && <AiModelsPanel />}
+
         {/* ─── Panel Blacklist IP ─── */}
         {activePanel === "blacklist" && (
           <BlacklistPanel />