diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index f8d20ff6cbf..580d510ff33 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -2824,6 +2824,46 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": True,
         "temperature": True,
     },
+    "poolside/laguna-m.1:free": {
+        "name": "Laguna M.1",
+        "release_date": "2026-04-28",
+        "last_updated": "2026-04-28",
+        "open_weights": False,
+        "max_input_tokens": 131072,
+        "max_output_tokens": 8192,
+        "text_inputs": True,
+        "image_inputs": False,
+        "audio_inputs": False,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "attachment": False,
+        "temperature": True,
+    },
+    "poolside/laguna-xs.2:free": {
+        "name": "Laguna XS.2",
+        "release_date": "2026-04-28",
+        "last_updated": "2026-04-28",
+        "open_weights": True,
+        "max_input_tokens": 131072,
+        "max_output_tokens": 8192,
+        "text_inputs": True,
+        "image_inputs": False,
+        "audio_inputs": False,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "attachment": False,
+        "temperature": True,
+    },
     "prime-intellect/intellect-3": {
         "name": "Intellect 3",
         "release_date": "2025-01-15",