From 091ee652b6646d5d29fb747d6a5abeec5104c0ee Mon Sep 17 00:00:00 2001
From: "langchain-model-profile-bot[bot]"
 <262694797+langchain-model-profile-bot[bot]@users.noreply.github.com>
Date: Thu, 26 Mar 2026 11:07:10 -0400
Subject: [PATCH] chore(model-profiles): refresh model profile data (#36267)
MIME-Version: 1.0
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Automated refresh of model profile data for all in-monorepo partner
integrations via `langchain-profiles refresh`.

🤖 Generated by the `refresh_model_profiles` workflow.

Co-authored-by: mdrxy <61371264+mdrxy@users.noreply.github.com>
---
 .../langchain_openrouter/data/_profiles.py    | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
index f1fc7636dc3..1778e52d6dc 100644
--- a/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
+++ b/libs/partners/openrouter/langchain_openrouter/data/_profiles.py
@@ -1462,6 +1462,26 @@ _PROFILES: dict[str, dict[str, Any]] = {
         "attachment": True,
         "temperature": True,
     },
+    "mistralai/mistral-small-2603": {
+        "name": "Mistral Small 4",
+        "release_date": "2026-03-16",
+        "last_updated": "2026-03-16",
+        "open_weights": True,
+        "max_input_tokens": 262144,
+        "max_output_tokens": 262144,
+        "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,
+        "attachment": True,
+        "temperature": True,
+    },
     "mistralai/mistral-small-3.1-24b-instruct": {
         "name": "Mistral Small 3.1 24B Instruct",
         "release_date": "2025-03-17",