diff --git a/.env.sample b/.env.sample
index a1d212d..d4d11d0 100644
--- a/.env.sample
+++ b/.env.sample
@@ -22,4 +22,4 @@ UPTIME_KUMA_PASSWORD=your-password
 
 # Ollama for AI-driven auto-update classification
 OLLAMA_BASE_URL=http://192.168.1.20:11434
-OLLAMA_MODEL=gemma4:26b-64k
+OLLAMA_MODEL=gemma4:26b
diff --git a/test_classifier.py b/test_classifier.py
index 4a9d0aa..93cc9ce 100644
--- a/test_classifier.py
+++ b/test_classifier.py
@@ -17,7 +17,7 @@ from urllib.request import Request, urlopen
 import re as _re
 
 OLLAMA_BASE_URL = os.getenv("OLLAMA_BASE_URL", "http://192.168.1.20:11434")
-OLLAMA_MODEL = os.getenv("OLLAMA_MODEL", "gemma4:26b-64k")
+OLLAMA_MODEL = os.getenv("OLLAMA_MODEL", "gemma4:26b")
 SERVICE_NAME = sys.argv[1] if len(sys.argv) > 1 else "immich"
 EXAMPLES_DIR = Path(__file__).parent / "services" / SERVICE_NAME / "review-examples"
 
diff --git a/update_monitor/checker.py b/update_monitor/checker.py
index 99ddf94..dd51e5c 100644
--- a/update_monitor/checker.py
+++ b/update_monitor/checker.py
@@ -1,4 +1,5 @@
 import json
+import time
 from typing import Any, Dict, List, Optional, Tuple
 
 from .comparator import compare_versions
@@ -7,6 +8,29 @@ from .fetcher import authenticate_service, build_headers, fetch_response, fetch_
 from .models import ServiceConfig
 
 
+def fetch_version_with_retries(
+    url: str,
+    timeout: float,
+    user_agent: str,
+    extra_headers: Optional[Dict[str, str]] = None,
+    attempts: int = 3,
+) -> tuple[str, Dict[str, str]]:
+    """Fetch a version endpoint with retries for transient failures
+    (empty bodies, timeouts)."""
+    last_exc: Optional[Exception] = None
+    for attempt in range(attempts):
+        try:
+            body, headers = fetch_response(url, timeout, user_agent, extra_headers)
+            if body.strip():
+                return body, headers
+            last_exc = ValueError("empty response body")
+        except Exception as exc:
+            last_exc = exc
+        if attempt < attempts - 1:
+            time.sleep(2 * (attempt + 1))
+    raise last_exc if last_exc else RuntimeError("fetch failed")
+
+
 def check_service(service: ServiceConfig, timeout: float, user_agent: str) -> Dict[str, Any]:
     result: Dict[str, Any] = {
         "name": service.name,
@@ -25,7 +49,9 @@ def check_service(service: ServiceConfig, timeout: float, user_agent: str) -> Di
                 login_cookie = authenticate_service(service, timeout, user_agent)
                 if login_cookie:
                     headers.setdefault("Cookie", login_cookie)
-            body, response_headers = fetch_response(service.current_version_url, timeout, user_agent, headers)
+            body, response_headers = fetch_version_with_retries(
+                service.current_version_url, timeout, user_agent, headers
+            )
             result["current"] = extract_version(body, service.current_version_extract, response_headers)
         except Exception as exc:
             result["current_error"] = str(exc)
@@ -38,7 +64,7 @@ def check_service(service: ServiceConfig, timeout: float, user_agent: str) -> Di
     if service.upstream_latest_version_url and service.upstream_latest_extract:
         headers = build_headers(service.upstream_latest_headers)
         try:
-            body, response_headers = fetch_response(
+            body, response_headers = fetch_version_with_retries(
                 service.upstream_latest_version_url, timeout, user_agent, headers
             )
             result["latest"] = extract_version(body, service.upstream_latest_extract, response_headers)
diff --git a/update_monitor/classifier.py b/update_monitor/classifier.py
index 03c9d4a..a27d797 100644
--- a/update_monitor/classifier.py
+++ b/update_monitor/classifier.py
@@ -31,7 +31,7 @@ class Classifier:
         model: str = "",
     ) -> None:
         self.base_url = base_url or os.getenv("OLLAMA_BASE_URL", "http://192.168.1.20:11434")
-        self.model = model or os.getenv("OLLAMA_MODEL", "gemma4:26b-64k")
+        self.model = model or os.getenv("OLLAMA_MODEL", "gemma4:26b")
 
     def classify(
         self,