diff --git a/cortex/llm_client.py b/cortex/llm_client.py
index f84660e..cc583a3 100644
--- a/cortex/llm_client.py
+++ b/cortex/llm_client.py
@@ -175,14 +175,17 @@ async def _local(system_prompt: str, messages: list[dict], model_cfg: dict | Non
     if not model:
         raise RuntimeError("local_model not configured — add a model at /settings/local")
 
-    logger.info("local backend: %s @ %s", model, api_url)
+    host_type = cfg.get("host_type", "openwebui")
+    # "openwebui" uses Open WebUI/Ollama path layout; "openai" uses standard OpenAI layout
+    chat_path = "/chat/completions" if host_type == "openai" else "/api/chat/completions"
+    logger.info("local backend (%s): %s @ %s", host_type, model, api_url)
 
     msgs: list[dict] = []
     if system_prompt:
         msgs.append({"role": "system", "content": system_prompt})
     msgs.extend(messages)
 
-    url = api_url.rstrip("/") + "/api/chat/completions"
+    url = api_url.rstrip("/") + chat_path
     headers: dict[str, str] = {}
     if api_key:
         headers["Authorization"] = f"Bearer {api_key}"
diff --git a/cortex/model_registry.py b/cortex/model_registry.py
index 16eca45..aa92a99 100644
--- a/cortex/model_registry.py
+++ b/cortex/model_registry.py
@@ -6,7 +6,18 @@ Stored in: home/{user}/model_registry.json
 Schema:
   {
     "version": 1,
-    "hosts": [{"id", "label", "api_url", "api_key"}, ...],
+    "hosts": [{"id", "label", "api_url", "api_key",
+               "host_type": "openwebui" | "openai"}, ...],
+    #
+    # host_type controls the API path layout:
+    #   "openwebui"  (default) — Open WebUI / Ollama:
+    #                   chat:   POST {url}/api/chat/completions
+    #                   models: GET  {url}/api/models
+    #   "openai"     — OpenRouter, LiteLLM, Anthropic-compatible, etc.:
+    #                   chat:   POST {url}/chat/completions
+    #                   models: GET  {url}/models
+    #   Set api_url to the base path that ends just before /chat/completions,
+    #   e.g. https://openrouter.ai/api/v1  for OpenRouter.
     "models": [
       {
         "id":         str,             # unique within this registry
@@ -212,7 +223,12 @@ def _resolve_model(registry: dict, model_id: str) -> dict | None:
         if not host:
             logger.warning("model %s references missing host_id %s", model_id, host_id)
             return None
-        return {**model, "api_url": host.get("api_url", ""), "api_key": host.get("api_key", "")}
+        return {
+            **model,
+            "api_url":   host.get("api_url", ""),
+            "api_key":   host.get("api_key", ""),
+            "host_type": host.get("host_type", "openwebui"),
+        }
 
     return dict(model)
 
@@ -308,15 +324,21 @@ def get_defined_roles(username: str) -> dict[str, dict]:
 # ── Write API (CRUD) ──────────────────────────────────────────────────────────
 
 def save_host(username: str, host_id: str | None,
-              label: str, api_url: str, api_key: str) -> str:
-    """Create or update a host. Returns the host ID."""
+              label: str, api_url: str, api_key: str,
+              host_type: str = "openwebui") -> str:
+    """Create or update a host. Returns the host ID.
+
+    host_type: "openwebui" (default) or "openai" (OpenRouter, LiteLLM, etc.)
+    """
     data = _load(username)
+    host_type = host_type if host_type in ("openwebui", "openai") else "openwebui"
 
     if host_id:
         for h in data["hosts"]:
             if h["id"] == host_id:
-                h["label"]   = label.strip()
-                h["api_url"] = api_url.strip()
+                h["label"]     = label.strip()
+                h["api_url"]   = api_url.strip()
+                h["host_type"] = host_type
                 if api_key.strip():
                     h["api_key"] = api_key.strip()
                 _save(username, data)
@@ -325,10 +347,11 @@ def save_host(username: str, host_id: str | None,
 
     host_id = secrets.token_hex(4)
     data["hosts"].append({
-        "id":      host_id,
-        "label":   label.strip(),
-        "api_url": api_url.strip(),
-        "api_key": api_key.strip(),
+        "id":        host_id,
+        "label":     label.strip(),
+        "api_url":   api_url.strip(),
+        "api_key":   api_key.strip(),
+        "host_type": host_type,
     })
     _save(username, data)
     return host_id
diff --git a/cortex/routers/local_llm.py b/cortex/routers/local_llm.py
index 8b9e1af..8d04aab 100644
--- a/cortex/routers/local_llm.py
+++ b/cortex/routers/local_llm.py
@@ -54,7 +54,10 @@ def _render(username: str, success: str = "", error: str = "") -> str:
     # ── Host rows ─────────────────────────────────────────────────────────────
     host_rows = ""
     for h in hosts:
-        key_hint = f"…{h['api_key'][-4:]}" if h.get("api_key") else "not set"
+        key_hint  = f"…{h['api_key'][-4:]}" if h.get("api_key") else "not set"
+        ht        = h.get("host_type", "openwebui")
+        ow_sel    = ' selected' if ht == "openwebui" else ''
+        ai_sel    = ' selected' if ht == "openai"    else ''
         host_rows += f'''
         <div class="host-row">
           <form method="POST" action="/settings/local/host" class="host-form">
@@ -72,11 +75,20 @@ def _render(username: str, success: str = "", error: str = "") -> str:
                        autocomplete="off" spellcheck="false" data-form-type="other">
               </div>
             </div>
-            <div class="field">
-              <label>API Key</label>
-              <input type="password" name="api_key" placeholder="Leave blank to keep existing"
-                     autocomplete="new-password" data-1p-ignore data-lpignore="true" data-form-type="other">
-              <p class="key-status">Current: {key_hint}</p>
+            <div class="field-row">
+              <div class="field">
+                <label>API Key</label>
+                <input type="password" name="api_key" placeholder="Leave blank to keep existing"
+                       autocomplete="new-password" data-1p-ignore data-lpignore="true" data-form-type="other">
+                <p class="key-status">Current: {key_hint}</p>
+              </div>
+              <div class="field" style="flex:0 0 auto">
+                <label>Type</label>
+                <select name="host_type">
+                  <option value="openwebui"{ow_sel}>Open WebUI / Ollama</option>
+                  <option value="openai"{ai_sel}>OpenAI-compatible (OpenRouter, etc.)</option>
+                </select>
+              </div>
             </div>
             <div class="btn-row">
               <button type="submit" class="btn btn-secondary btn-sm">Save host</button>
@@ -197,19 +209,20 @@ async def models_page(request: Request):
 
 @router.post("/settings/local/host", include_in_schema=False)
 async def save_host(
-    request: Request,
-    host_id:  str = Form(""),
-    label:    str = Form(""),
-    api_url:  str = Form(""),
-    api_key:  str = Form(""),
+    request:   Request,
+    host_id:   str = Form(""),
+    label:     str = Form(""),
+    api_url:   str = Form(""),
+    api_key:   str = Form(""),
+    host_type: str = Form("openwebui"),
 ):
     username = _get_user(request)
     if not username:
         return RedirectResponse("/login", status_code=302)
     if not api_url.strip():
         return HTMLResponse(_render(username, error="API URL is required."))
-    reg.save_host(username, host_id or None, label, api_url, api_key)
-    logger.info("model registry host saved: %s", username)
+    reg.save_host(username, host_id or None, label, api_url, api_key, host_type)
+    logger.info("model registry host saved: %s (%s)", username, host_type)
     return HTMLResponse(_render(username, success="Host saved."))
 
 
@@ -306,8 +319,10 @@ async def fetch_models(request: Request, host_id: str = "") -> JSONResponse:
     if not api_url:
         return JSONResponse({"error": "No host configured."}, status_code=400)
 
-    url     = api_url.rstrip("/") + "/api/models"
-    headers = {"Authorization": f"Bearer {api_key}"} if api_key else {}
+    host_type   = host.get("host_type", "openwebui") if host else "openwebui"
+    models_path = "/models" if host_type == "openai" else "/api/models"
+    url         = api_url.rstrip("/") + models_path
+    headers     = {"Authorization": f"Bearer {api_key}"} if api_key else {}
 
     try:
         async with httpx.AsyncClient(timeout=8) as client:
diff --git a/cortex/static/local_llm.html b/cortex/static/local_llm.html
index 6a0ccab..a37ab36 100644
--- a/cortex/static/local_llm.html
+++ b/cortex/static/local_llm.html
@@ -243,11 +243,20 @@
                        autocomplete="off" spellcheck="false" data-form-type="other">
               </div>
             </div>
-            <div class="field">
-              <label for="new-host-key">API Key</label>
-              <input type="password" id="new-host-key" name="api_key"
-                     placeholder="sk-… (leave blank if not required)"
-                     autocomplete="new-password" data-1p-ignore data-lpignore="true" data-form-type="other">
+            <div class="field-row">
+              <div class="field">
+                <label for="new-host-key">API Key</label>
+                <input type="password" id="new-host-key" name="api_key"
+                       placeholder="sk-… (leave blank if not required)"
+                       autocomplete="new-password" data-1p-ignore data-lpignore="true" data-form-type="other">
+              </div>
+              <div class="field" style="flex:0 0 auto">
+                <label for="new-host-type">Type</label>
+                <select id="new-host-type" name="host_type">
+                  <option value="openwebui">Open WebUI / Ollama</option>
+                  <option value="openai">OpenAI-compatible (OpenRouter, etc.)</option>
+                </select>
+              </div>
             </div>
             <div class="btn-row">
               <button type="submit" class="btn btn-primary btn-sm">Add Host</button>