diff --git a/gcode/cli.py b/gcode/cli.py
index 1d1dc70..aa8e51b 100644
--- a/gcode/cli.py
+++ b/gcode/cli.py
@@ -30,19 +30,23 @@
 
 def _print_help(ui: RichUI) -> None:
     ui.info(
-        "GCode slash commands:\n"
+        "[bold]GCode slash commands:[/bold]\n\n"
+        "[bold cyan]General[/bold cyan]\n"
         "  /help            Show this help\n"
         "  /version         Show the installed GCode version\n"
+        "  /quit, /exit     Leave GCode\n\n"
+        "[bold cyan]Model[/bold cyan]\n"
         "  /models          List available models (OpenRouter + Ollama)\n"
         "  /model <id|#n>   Switch to a model (id, or #n index from /models)\n"
         "  /ollama          List/select local Ollama models\n"
-        "  /pull <model>    Pull a model from Ollama registry\n"
-        "  /setup           Reconfigure API key\n"
+        "  /pull <model>    Pull a model from Ollama registry\n\n"
+        "[bold cyan]Session[/bold cyan]\n"
         "  /history         Show recent conversation turns\n"
-        "  /status          Show quick git status\n"
-        "  /diff            Show staged and unstaged git changes\n"
         "  /clear           Start a fresh session (discard history)\n"
-        "  /quit, /exit     Leave GCode\n"
+        "  /setup           Reconfigure API key\n\n"
+        "[bold cyan]Git[/bold cyan]\n"
+        "  /status          Show quick git status\n"
+        "  /diff            Show staged and unstaged git changes\n\n"
         "Any other input is sent to the agent."
     )
 
diff --git a/tests/test_cli.py b/tests/test_cli.py
index 8312a22..b3bea29 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -57,3 +57,18 @@ def test_help_lists_version_command():
     help_text = ui.info.call_args.args[0]
     assert "/version" in help_text
     assert "installed GCode version" in help_text
+
+
+def test_help_has_categorized_groups():
+    ui = Mock()
+    _print_help(ui)
+
+    help_text = ui.info.call_args.args[0]
+    assert "General" in help_text
+    assert "Model" in help_text
+    assert "Session" in help_text
+    assert "Git" in help_text
+    assert "/help" in help_text
+    assert "/models" in help_text
+    assert "/history" in help_text
+    assert "/diff" in help_text