diff --git a/backend/atlas_portal/routes/ai.py b/backend/atlas_portal/routes/ai.py
index 1c0055a..3d5e705 100644
--- a/backend/atlas_portal/routes/ai.py
+++ b/backend/atlas_portal/routes/ai.py
@@ -19,34 +19,42 @@ def register(app) -> None:
         payload = request.get_json(silent=True) or {}
         user_message = (payload.get("message") or "").strip()
         history = payload.get("history") or []
+        profile = (payload.get("profile") or payload.get("mode") or "atlas-quick").strip().lower()
 
         if not user_message:
             return jsonify({"error": "message required"}), 400
 
         started = time.time()
-        atlasbot_reply = _atlasbot_answer(user_message)
-        if atlasbot_reply:
+        if profile in {"stock", "stock-ai", "stock_ai"}:
+            reply = _stock_answer(user_message, history)
+            source = "stock"
+        else:
+            mode = "smart" if profile in {"atlas-smart", "smart"} else "quick"
+            reply = _atlasbot_answer(user_message, mode)
+            source = f"atlas-{mode}"
+        if reply:
             elapsed_ms = int((time.time() - started) * 1000)
-            return jsonify({"reply": atlasbot_reply, "latency_ms": elapsed_ms, "source": "atlasbot"})
+            return jsonify({"reply": reply, "latency_ms": elapsed_ms, "source": source})
         elapsed_ms = int((time.time() - started) * 1000)
         return jsonify(
             {
                 "reply": "Atlasbot is busy. Please try again in a moment.",
                 "latency_ms": elapsed_ms,
-                "source": "atlasbot",
+                "source": source,
             }
         )
 
     @app.route("/api/chat/info", methods=["GET"])
     @app.route("/api/ai/info", methods=["GET"])
     def ai_info() -> Any:
-        meta = _discover_ai_meta()
+        profile = (request.args.get("profile") or "atlas-quick").strip().lower()
+        meta = _discover_ai_meta(profile)
         return jsonify(meta)
 
     _start_keep_warm()
 
 
-def _atlasbot_answer(message: str) -> str:
+def _atlasbot_answer(message: str, mode: str) -> str:
     endpoint = settings.AI_ATLASBOT_ENDPOINT
     if not endpoint:
         return ""
@@ -55,7 +63,7 @@ def _atlasbot_answer(message: str) -> str:
         headers["X-Internal-Token"] = settings.AI_ATLASBOT_TOKEN
     try:
         with httpx.Client(timeout=settings.AI_ATLASBOT_TIMEOUT_SEC) as client:
-            resp = client.post(endpoint, json={"prompt": message}, headers=headers)
+            resp = client.post(endpoint, json={"prompt": message, "mode": mode}, headers=headers)
             if resp.status_code != 200:
                 return ""
             data = resp.json()
@@ -64,13 +72,55 @@ def _atlasbot_answer(message: str) -> str:
     except (httpx.RequestError, ValueError):
         return ""
 
-def _discover_ai_meta() -> dict[str, str]:
+def _stock_answer(message: str, history: list[dict[str, Any]]) -> str:
+    body = {
+        "model": settings.AI_CHAT_MODEL,
+        "messages": _build_messages(message, history),
+        "stream": False,
+    }
+    try:
+        with httpx.Client(timeout=settings.AI_CHAT_TIMEOUT_SEC) as client:
+            resp = client.post(f"{settings.AI_CHAT_API}/api/chat", json=body)
+            resp.raise_for_status()
+            data = resp.json()
+    except (httpx.RequestError, ValueError):
+        return ""
+    message_data = data.get("message") if isinstance(data, dict) else None
+    if isinstance(message_data, dict) and message_data.get("content"):
+        return str(message_data["content"]).strip()
+    if isinstance(data, dict) and data.get("response"):
+        return str(data["response"]).strip()
+    return ""
+
+
+def _build_messages(message: str, history: list[dict[str, Any]]) -> list[dict[str, str]]:
+    messages = [{"role": "system", "content": settings.AI_CHAT_SYSTEM_PROMPT}]
+    for entry in history:
+        role = entry.get("role")
+        content = entry.get("content")
+        if role in {"user", "assistant"} and isinstance(content, str) and content.strip():
+            messages.append({"role": role, "content": content})
+    messages.append({"role": "user", "content": message})
+    return messages
+
+
+def _discover_ai_meta(profile: str) -> dict[str, str]:
     meta = {
         "node": settings.AI_NODE_NAME,
         "gpu": settings.AI_GPU_DESC,
         "model": settings.AI_CHAT_MODEL,
         "endpoint": settings.AI_PUBLIC_ENDPOINT or "/api/chat",
+        "profile": profile,
     }
+    if profile in {"atlas-smart", "smart"}:
+        meta["model"] = settings.AI_ATLASBOT_MODEL_SMART or settings.AI_CHAT_MODEL
+        meta["endpoint"] = "/api/ai/chat"
+    elif profile in {"atlas-quick", "quick"}:
+        meta["model"] = settings.AI_ATLASBOT_MODEL_FAST or settings.AI_CHAT_MODEL
+        meta["endpoint"] = "/api/ai/chat"
+    elif profile in {"stock", "stock-ai", "stock_ai"}:
+        meta["model"] = settings.AI_CHAT_MODEL
+        meta["endpoint"] = "/api/ai/chat"
 
     sa_path = Path("/var/run/secrets/kubernetes.io/serviceaccount")
     token_path = sa_path / "token"
diff --git a/backend/atlas_portal/settings.py b/backend/atlas_portal/settings.py
index 35c2d78..a35a922 100644
--- a/backend/atlas_portal/settings.py
+++ b/backend/atlas_portal/settings.py
@@ -29,6 +29,8 @@ AI_CHAT_TIMEOUT_SEC = float(os.getenv("AI_CHAT_TIMEOUT_SEC", "20"))
 AI_ATLASBOT_ENDPOINT = os.getenv("AI_ATLASBOT_ENDPOINT", "").strip()
 AI_ATLASBOT_TOKEN = os.getenv("AI_ATLASBOT_TOKEN", "").strip()
 AI_ATLASBOT_TIMEOUT_SEC = float(os.getenv("AI_ATLASBOT_TIMEOUT_SEC", "5"))
+AI_ATLASBOT_MODEL_FAST = os.getenv("AI_ATLASBOT_MODEL_FAST", "").strip()
+AI_ATLASBOT_MODEL_SMART = os.getenv("AI_ATLASBOT_MODEL_SMART", "").strip()
 AI_NODE_NAME = os.getenv("AI_CHAT_NODE_NAME") or os.getenv("AI_NODE_NAME") or "ai-cluster"
 AI_GPU_DESC = os.getenv("AI_CHAT_GPU_DESC") or "local GPU (dynamic)"
 AI_PUBLIC_ENDPOINT = os.getenv("AI_PUBLIC_CHAT_ENDPOINT", "https://chat.ai.bstein.dev/api/chat")
diff --git a/frontend/src/views/AiView.vue b/frontend/src/views/AiView.vue
index 7863a24..9bfa28a 100644
--- a/frontend/src/views/AiView.vue
+++ b/frontend/src/views/AiView.vue
@@ -12,16 +12,16 @@
       <div class="hero-facts">
         <div class="fact">
           <span class="label mono">Model</span>
-          <span class="value mono">{{ meta.model }}</span>
+          <span class="value mono">{{ current.meta.model }}</span>
         </div>
         <div class="fact">
           <span class="label mono">GPU</span>
-          <span class="value mono">{{ meta.gpu }}</span>
+          <span class="value mono">{{ current.meta.gpu }}</span>
         </div>
         <div class="fact">
           <span class="label mono">Endpoint</span>
           <button class="endpoint-copy mono" type="button" @click="copyCurl">
-            {{ meta.endpoint || apiDisplay }}
+            {{ current.meta.endpoint || apiDisplay }}
             <span v-if="copied" class="copied">copied</span>
           </button>
         </div>
@@ -29,8 +29,20 @@
     </section>
 
     <section class="card chat-card">
+      <div class="profile-tabs">
+        <button
+          v-for="profile in profiles"
+          :key="profile.id"
+          type="button"
+          class="profile-tab mono"
+          :class="{ active: activeProfile === profile.id }"
+          @click="activeProfile = profile.id"
+        >
+          {{ profile.label }}
+        </button>
+      </div>
       <div class="chat-window" ref="chatWindow">
-        <div v-for="(msg, idx) in messages" :key="idx" :class="['chat-row', msg.role]">
+        <div v-for="(msg, idx) in current.messages" :key="idx" :class="['chat-row', msg.role]">
           <div class="bubble" :class="{ streaming: msg.streaming }">
             <div class="role mono">{{ msg.role === 'assistant' ? 'Atlas AI' : 'you' }}</div>
             <p class="message">{{ msg.content }}</p>
@@ -38,10 +50,10 @@
             <div v-else-if="msg.latency_ms" class="meta mono">{{ msg.latency_ms }} ms</div>
           </div>
         </div>
-        <div v-if="error" class="chat-row error">
+        <div v-if="current.error" class="chat-row error">
           <div class="bubble">
             <div class="role mono">error</div>
-            <p>{{ error }}</p>
+            <p>{{ current.error }}</p>
           </div>
         </div>
       </div>
@@ -65,32 +77,49 @@
 </template>
 
 <script setup>
-import { onMounted, onUpdated, ref } from "vue";
+import { computed, onMounted, onUpdated, reactive, ref, watch } from "vue";
 
 const API_URL = (import.meta.env.VITE_AI_ENDPOINT || "/api/chat").trim();
 const apiUrl = new URL(API_URL, window.location.href);
 const apiDisplay = apiUrl.host + apiUrl.pathname;
 const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
 
-const meta = ref({
-  model: "loading...",
-  gpu: "local GPU (dynamic)",
-  node: "unknown",
-  endpoint: apiUrl.toString(),
-});
-const messages = ref([
-  {
-    role: "assistant",
-    content: "Hi! I'm Atlas AI. How can I help?",
-  },
-]);
+const profiles = [
+  { id: "atlas-quick", label: "Atlas Quick" },
+  { id: "atlas-smart", label: "Atlas Smart" },
+  { id: "stock-ai", label: "Stock AI" },
+];
+const activeProfile = ref("atlas-quick");
+const profileState = reactive(
+  Object.fromEntries(
+    profiles.map((profile) => [
+      profile.id,
+      {
+        meta: {
+          model: "loading...",
+          gpu: "local GPU (dynamic)",
+          node: "unknown",
+          endpoint: apiUrl.toString(),
+        },
+        messages: [
+          {
+            role: "assistant",
+            content: "Hi! I'm Atlas AI. How can I help?",
+          },
+        ],
+        error: "",
+      },
+    ])
+  )
+);
+const current = computed(() => profileState[activeProfile.value]);
 const draft = ref("");
 const sending = ref(false);
-const error = ref("");
 const chatWindow = ref(null);
 const copied = ref(false);
 
-onMounted(fetchMeta);
+onMounted(() => fetchMeta(activeProfile.value));
+watch(activeProfile, (profile) => fetchMeta(profile));
 
 onUpdated(() => {
   if (chatWindow.value) {
@@ -98,16 +127,16 @@ onUpdated(() => {
   }
 });
 
-async function fetchMeta() {
+async function fetchMeta(profile) {
   try {
-    const resp = await fetch("/api/ai/info");
+    const resp = await fetch(`/api/ai/info?profile=${encodeURIComponent(profile)}`);
     if (!resp.ok) return;
     const data = await resp.json();
-    meta.value = {
-      model: data.model || meta.value.model,
-      gpu: data.gpu || meta.value.gpu,
-      node: data.node || meta.value.node,
-      endpoint: data.endpoint || meta.value.endpoint || apiDisplay,
+    current.value.meta = {
+      model: data.model || current.value.meta.model,
+      gpu: data.gpu || current.value.meta.gpu,
+      node: data.node || current.value.meta.node,
+      endpoint: data.endpoint || current.value.meta.endpoint || apiDisplay,
     };
   } catch {
     // swallow
@@ -118,20 +147,21 @@ async function sendMessage() {
   if (!draft.value.trim() || sending.value) return;
   const text = draft.value.trim();
   draft.value = "";
-  error.value = "";
+  const state = current.value;
+  state.error = "";
   const userEntry = { role: "user", content: text };
-  messages.value.push(userEntry);
+  state.messages.push(userEntry);
   const assistantEntry = { role: "assistant", content: "", streaming: true };
-  messages.value.push(assistantEntry);
+  state.messages.push(assistantEntry);
   sending.value = true;
 
   try {
-    const history = messages.value.filter((m) => !m.streaming).map((m) => ({ role: m.role, content: m.content }));
+    const history = state.messages.filter((m) => !m.streaming).map((m) => ({ role: m.role, content: m.content }));
     const start = performance.now();
     const resp = await fetch(API_URL, {
       method: "POST",
       headers: { "Content-Type": "application/json" },
-      body: JSON.stringify({ message: text, history }),
+      body: JSON.stringify({ message: text, history, profile: activeProfile.value }),
     });
     const contentType = resp.headers.get("content-type") || "";
 
@@ -164,7 +194,7 @@ async function sendMessage() {
       await typeReveal(assistantEntry, textReply);
     }
   } catch (err) {
-    error.value = err.message || "Unexpected error";
+    state.error = err.message || "Unexpected error";
     assistantEntry.content = assistantEntry.content || "(no response)";
     assistantEntry.streaming = false;
   } finally {
@@ -191,7 +221,7 @@ function handleKeydown(e) {
 }
 
 async function copyCurl() {
-  const target = meta.value.endpoint || apiUrl.toString();
+  const target = current.value.meta.endpoint || apiUrl.toString();
   const curl = `curl -X POST ${target} -H 'content-type: application/json' -d '{\"message\":\"hi\"}'`;
   try {
     await navigator.clipboard.writeText(curl);
@@ -264,11 +294,34 @@ async function copyCurl() {
 .chat-card {
   margin-top: 18px;
   display: grid;
-  grid-template-rows: 1fr auto;
+  grid-template-rows: auto 1fr auto;
   gap: 12px;
   min-height: 60vh;
 }
 
+.profile-tabs {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+}
+
+.profile-tab {
+  border: 1px solid var(--card-border);
+  background: rgba(255, 255, 255, 0.03);
+  color: var(--text-muted);
+  padding: 6px 12px;
+  border-radius: 999px;
+  cursor: pointer;
+  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
+}
+
+.profile-tab.active {
+  border-color: rgba(0, 229, 197, 0.6);
+  color: var(--text-primary);
+  background: rgba(0, 229, 197, 0.12);
+  box-shadow: var(--glow-soft);
+}
+
 .chat-window {
   background: rgba(255, 255, 255, 0.02);
   border: 1px solid var(--card-border);