diff --git a/libs/partners/deepseek/langchain_deepseek/data/_profiles.py b/libs/partners/deepseek/langchain_deepseek/data/_profiles.py
index 6ede10c153b..6407c9b5456 100644
--- a/libs/partners/deepseek/langchain_deepseek/data/_profiles.py
+++ b/libs/partners/deepseek/langchain_deepseek/data/_profiles.py
@@ -21,7 +21,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "release_date": "2025-12-01",
         "last_updated": "2026-02-28",
         "open_weights": True,
-        "max_input_tokens": 128000,
+        "max_input_tokens": 131072,
         "max_output_tokens": 8192,
         "text_inputs": True,
         "image_inputs": False,
diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index 8962c2feb1d..498def99611 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -252,6 +252,26 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": False,
         "temperature": True,
     },
+    "arcee-ai/trinity-large-thinking": {
+        "name": "Trinity Large Thinking",
+        "release_date": "2026-04-01",
+        "last_updated": "2026-04-03",
+        "open_weights": True,
+        "max_input_tokens": 262144,
+        "max_output_tokens": 80000,
+        "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,
+    },
     "arcee-ai/trinity-mini:free": {
         "name": "Trinity Mini",
         "release_date": "2026-01-28",
@@ -1029,6 +1049,48 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": True,
         "temperature": True,
     },
+    "google/gemma-4-26b-a4b-it": {
+        "name": "Gemma 4 26B A4B",
+        "release_date": "2026-04-03",
+        "last_updated": "2026-04-03",
+        "open_weights": True,
+        "max_input_tokens": 262144,
+        "max_output_tokens": 262144,
+        "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,
+    },
+    "google/gemma-4-31b-it": {
+        "name": "Gemma 4 31B",
+        "release_date": "2026-04-02",
+        "last_updated": "2026-04-02",
+        "open_weights": True,
+        "max_input_tokens": 262144,
+        "max_output_tokens": 262144,
+        "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,
+    },
     "inception/mercury": {
         "name": "Mercury",
         "release_date": "2025-06-26",