diff --git a/libs/partners/fireworks/langchain_fireworks/data/_profiles.py b/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
index de615157d5..99f117879b 100644
--- a/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
+++ b/libs/partners/fireworks/langchain_fireworks/data/_profiles.py
@@ -38,6 +38,28 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "temperature": True,
         "tool_call_streaming": True,
     },
+    "accounts/fireworks/models/deepseek-v4-flash-vision-exp": {
+        "name": "DeepSeek V4 Flash Vision Exp",
+        "release_date": "2026-08-21",
+        "last_updated": "2026-08-21",
+        "open_weights": False,
+        "max_input_tokens": 1000000,
+        "max_output_tokens": 384000,
+        "text_inputs": True,
+        "image_inputs": True,
+        "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": True,
+        "temperature": True,
+        "tool_call_streaming": True,
+    },
     "accounts/fireworks/models/deepseek-v4-pro": {
         "tool_call_streaming": True,
         "reasoning_effort_levels": [
diff --git a/libs/partners/huggingface/langchain_huggingface/data/_profiles.py b/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
index e174ea04cd..284bdcf2ea 100644
--- a/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
+++ b/libs/partners/huggingface/langchain_huggingface/data/_profiles.py
@@ -1255,7 +1255,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-07-06",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 64000,
+        "max_output_tokens": 128000,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
diff --git a/libs/partners/openai/langchain_openai/data/_profiles.py b/libs/partners/openai/langchain_openai/data/_profiles.py
index abb90d5835..c5cd87c47f 100644
--- a/libs/partners/openai/langchain_openai/data/_profiles.py
+++ b/libs/partners/openai/langchain_openai/data/_profiles.py
@@ -642,6 +642,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
     },
     "gpt-5.2-chat-latest": {
         "name": "GPT-5.2 Chat",
+        "status": "deprecated",
         "release_date": "2025-12-11",
         "last_updated": "2025-12-11",
         "open_weights": False,
@@ -725,6 +726,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
     },
     "gpt-5.3-chat-latest": {
         "name": "GPT-5.3 Chat (latest)",
+        "status": "deprecated",
         "release_date": "2026-03-03",
         "last_updated": "2026-03-03",
         "open_weights": False,
diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index 8a49efbc12..fbde89a047 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -1695,6 +1695,29 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "temperature": True,
         "tool_call_streaming": True,
     },
+    "google/gemini-3.8-flash": {
+        "name": "Gemini 3.8 Flash",
+        "release_date": "2026-09-02",
+        "last_updated": "2026-09-02",
+        "open_weights": False,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 65536,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": True,
+        "pdf_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,
+        "tool_call_streaming": True,
+    },
     "google/gemma-2-27b-it": {
         "name": "Gemma 2 27B",
         "release_date": "2024-07-13",
@@ -2295,7 +2318,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2024-12-06",
         "open_weights": True,
         "max_input_tokens": 131072,
-        "max_output_tokens": 115200,
+        "max_output_tokens": 16384,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -2383,7 +2406,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-08-10",
         "open_weights": True,
         "max_input_tokens": 131072,
-        "max_output_tokens": 16384,
+        "max_output_tokens": 117964,
         "text_inputs": True,
         "image_inputs": True,
         "audio_inputs": False,
@@ -2468,6 +2491,52 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "temperature": True,
         "tool_call_streaming": True,
     },
+    "meta/muse-spark-1.3": {
+        "name": "Muse Spark 1.3",
+        "release_date": "2026-09-02",
+        "last_updated": "2026-09-02",
+        "open_weights": False,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 943718,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": True,
+        "pdf_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,
+        "tool_call_streaming": True,
+    },
+    "meta/muse-spark-1.3-contributor": {
+        "name": "Muse Spark 1.3 Contributor",
+        "release_date": "2026-09-02",
+        "last_updated": "2026-09-02",
+        "open_weights": False,
+        "max_input_tokens": 1048576,
+        "max_output_tokens": 943718,
+        "text_inputs": True,
+        "image_inputs": True,
+        "audio_inputs": True,
+        "pdf_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,
+        "tool_call_streaming": True,
+    },
     "microsoft/phi-4": {
         "name": "Phi 4",
         "release_date": "2025-01-10",
@@ -3497,7 +3566,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-12-15",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 228000,
+        "max_output_tokens": 235929,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -3585,7 +3654,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-06-04",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 32768,
+        "max_output_tokens": 182520,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -6092,7 +6161,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-02-15",
         "open_weights": True,
         "max_input_tokens": 262144,
-        "max_output_tokens": 65536,
+        "max_output_tokens": 235929,
         "text_inputs": True,
         "image_inputs": True,
         "audio_inputs": False,
@@ -6378,7 +6447,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-08-12",
         "open_weights": True,
         "max_input_tokens": 1048576,
-        "max_output_tokens": 131072,
+        "max_output_tokens": 262144,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -7353,7 +7422,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2025-09-30",
         "open_weights": True,
         "max_input_tokens": 204800,
-        "max_output_tokens": 16384,
+        "max_output_tokens": 131072,
         "text_inputs": True,
         "image_inputs": False,
         "audio_inputs": False,
@@ -7868,7 +7937,7 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "last_updated": "2026-08-27",
         "open_weights": False,
         "max_input_tokens": 1310720,
-        "max_output_tokens": 131072,
+        "max_output_tokens": 943718,
         "text_inputs": True,
         "image_inputs": True,
         "audio_inputs": False,