diff --git a/libs/partners/anthropic/langchain_anthropic/data/_profiles.py b/libs/partners/anthropic/langchain_anthropic/data/_profiles.py
index a38c8441e93..829048d87de 100644
--- a/libs/partners/anthropic/langchain_anthropic/data/_profiles.py
+++ b/libs/partners/anthropic/langchain_anthropic/data/_profiles.py
@@ -141,31 +141,6 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "image_tool_message": True,
         "structured_output": False,
     },
-    "claude-3-7-sonnet-latest": {
-        "name": "Claude Sonnet 3.7 (latest)",
-        "release_date": "2025-02-19",
-        "last_updated": "2025-02-19",
-        "open_weights": False,
-        "max_input_tokens": 200000,
-        "max_output_tokens": 64000,
-        "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,
-        "attachment": True,
-        "temperature": True,
-        "image_url_inputs": True,
-        "pdf_tool_message": True,
-        "image_tool_message": True,
-        "structured_output": False,
-    },
     "claude-3-haiku-20240307": {
         "name": "Claude Haiku 3",
         "release_date": "2024-03-13",
diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index ce38b425c20..ea7bf6ba8e2 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -2924,6 +2924,27 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": False,
         "temperature": True,
     },
+    "qwen/qwen3.6-plus:free": {
+        "name": "Qwen3.6 Plus (free)",
+        "release_date": "2026-04-02",
+        "last_updated": "2026-04-02",
+        "open_weights": False,
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 65536,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": False,
+        "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,
+    },
     "sourceful/riverflow-v2-fast-preview": {
         "name": "Riverflow V2 Fast Preview",
         "release_date": "2025-12-08",