diff --git a/.env.example b/.env.example
index aac9765..3852b53 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,5 @@
 OLLAMA_HOST=http://localhost:11434
-OLLAMA_DEFAULT_MODEL=gemma4:e2b-it-q4_K_M
+OLLAMA_DEFAULT_MODEL=gemma4:e4b-it-q8
 
 OPENAI_API_KEY=
 ANTHROPIC_API_KEY=
diff --git a/navi/profiles/secretary.py b/navi/profiles/secretary.py
index 0611b1e..d9f65b6 100644
--- a/navi/profiles/secretary.py
+++ b/navi/profiles/secretary.py
@@ -16,6 +16,6 @@
 
 Output style: concise, structured. When researching, include sources. Match tone and format to what was asked.""",
     enabled_tools=["web_search", "http_request", "filesystem", "code_exec", "terminal", "image_view", "reload_tools", "write_tool", "list_tools", "tool_manual"],
-    model="gemma4:e2b-it-q8_0",
+    model="gemma4:e4b-it-q8_0",
     temperature=0.7,
 )
diff --git a/navi/profiles/server_admin.py b/navi/profiles/server_admin.py
index aee9a39..05bd752 100644
--- a/navi/profiles/server_admin.py
+++ b/navi/profiles/server_admin.py
@@ -18,6 +18,6 @@
 Workflow: gather data first (logs, status, metrics), diagnose, then act.
 Before destructive or irreversible operations, state what you're about to do and why.""",
     enabled_tools=["terminal", "filesystem", "http_request", "web_search", "ssh_exec", "image_view", "reload_tools", "write_tool", "list_tools", "tool_manual"],
-    model="gemma4:e2b-it-q8_0",
+    model="gemma4:e4b-it-q8_0",
     temperature=0.2,
 )
diff --git a/navi/profiles/smart_home.py b/navi/profiles/smart_home.py
index 9e4f507..4bc0770 100644
--- a/navi/profiles/smart_home.py
+++ b/navi/profiles/smart_home.py
@@ -18,6 +18,6 @@
 Before writing any HA config to disk, validate structure in code_exec.
 Before toggling devices or triggering automations, confirm if the action is irreversible.""",
     enabled_tools=["http_request", "filesystem", "code_exec", "terminal", "ssh_exec", "image_view", "reload_tools", "write_tool", "list_tools", "tool_manual"],
-    model="gemma4:e2b-it-q8_0",
+    model="gemma4:e4b-it-q8_0",
     temperature=0.3,
 )