diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index 71190a43a24..e49ef5ac6b0 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -2641,6 +2641,50 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": True,
         "temperature": False,
     },
+    "openai/gpt-5.4-mini": {
+        "name": "GPT-5.4 Mini",
+        "release_date": "2026-03-17",
+        "last_updated": "2026-03-17",
+        "open_weights": False,
+        "max_input_tokens": 400000,
+        "max_output_tokens": 128000,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": False,
+        "pdf_inputs": True,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": True,
+        "temperature": True,
+    },
+    "openai/gpt-5.4-nano": {
+        "name": "GPT-5.4 Nano",
+        "release_date": "2026-03-17",
+        "last_updated": "2026-03-17",
+        "open_weights": False,
+        "max_input_tokens": 400000,
+        "max_output_tokens": 128000,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": False,
+        "pdf_inputs": True,
+        "video_inputs": False,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": False,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": True,
+        "temperature": True,
+    },
     "openai/gpt-5.4-pro": {
         "name": "GPT-5.4 Pro",
         "release_date": "2026-03-05",
@@ -3968,6 +4012,48 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": False,
         "temperature": True,
     },
+    "xiaomi/mimo-v2-omni": {
+        "name": "MiMo-V2-Omni",
+        "release_date": "2026-03-18",
+        "last_updated": "2026-03-18",
+        "open_weights": True,
+        "max_input_tokens": 262144,
+        "max_output_tokens": 65536,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": True,
+        "video_inputs": True,
+        "text_outputs": True,
+        "image_outputs": False,
+        "audio_outputs": False,
+        "video_outputs": False,
+        "reasoning_output": True,
+        "tool_calling": True,
+        "structured_output": True,
+        "attachment": True,
+        "temperature": True,
+    },
+    "xiaomi/mimo-v2-pro": {
+        "name": "MiMo-V2-Pro",
+        "release_date": "2026-03-18",
+        "last_updated": "2026-03-18",
+        "open_weights": True,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 65536,
+        "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,
+        "structured_output": True,
+        "attachment": False,
+        "temperature": True,
+    },
     "z-ai/glm-4.5": {
         "name": "GLM 4.5",
         "release_date": "2025-07-28",