diff --git a/backend/app/gateway/routers/suggestions.py b/backend/app/gateway/routers/suggestions.py
index dee985e..3fac15d 100644
--- a/backend/app/gateway/routers/suggestions.py
+++ b/backend/app/gateway/routers/suggestions.py
@@ -68,7 +68,7 @@ def _extract_response_text(content: object) -> str:
         for block in content:
             if isinstance(block, str):
                 parts.append(block)
-            elif isinstance(block, dict) and block.get("type") == "text":
+            elif isinstance(block, dict) and block.get("type") in {"text", "output_text"}:
                 text = block.get("text")
                 if isinstance(text, str):
                     parts.append(text)
diff --git a/backend/tests/test_suggestions_router.py b/backend/tests/test_suggestions_router.py
index 4ff8e09..75237ee 100644
--- a/backend/tests/test_suggestions_router.py
+++ b/backend/tests/test_suggestions_router.py
@@ -69,6 +69,24 @@ def test_generate_suggestions_parses_list_block_content(monkeypatch):
     assert result.suggestions == ["Q1", "Q2"]
 
 
+def test_generate_suggestions_parses_output_text_block_content(monkeypatch):
+    req = suggestions.SuggestionsRequest(
+        messages=[
+            suggestions.SuggestionMessage(role="user", content="Hi"),
+            suggestions.SuggestionMessage(role="assistant", content="Hello"),
+        ],
+        n=2,
+        model_name=None,
+    )
+    fake_model = MagicMock()
+    fake_model.invoke.return_value = MagicMock(content=[{"type": "output_text", "text": '```json\n["Q1", "Q2"]\n```'}])
+    monkeypatch.setattr(suggestions, "create_chat_model", lambda **kwargs: fake_model)
+
+    result = asyncio.run(suggestions.generate_suggestions("t1", req))
+
+    assert result.suggestions == ["Q1", "Q2"]
+
+
 def test_generate_suggestions_returns_empty_on_model_error(monkeypatch):
     req = suggestions.SuggestionsRequest(
         messages=[suggestions.SuggestionMessage(role="user", content="Hi")],