diff --git a/litellm/constants.py b/litellm/constants.py
index db261036b1a..2ae365300ef 100644
--- a/litellm/constants.py
+++ b/litellm/constants.py
@@ -1114,7 +1114,6 @@ BEDROCK_CONVERSE_MODELS = [
     "mistral.mistral-large-2407-v1:0",
     "mistral.mistral-large-2402-v1:0",
     "mistral.mistral-small-2402-v1:0",
-    "mistral.devstral-2-123b",
     "meta.llama3-2-1b-instruct-v1:0",
     "meta.llama3-2-3b-instruct-v1:0",
     "meta.llama3-2-11b-instruct-v1:0",
diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 9565a71718a..50d2be0ae03 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -6419,6 +6419,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6515,6 +6516,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6533,6 +6535,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6582,6 +6585,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6735,6 +6739,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6867,6 +6872,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6929,6 +6935,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6991,6 +6998,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7065,6 +7073,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7158,6 +7167,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7363,6 +7373,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7927,6 +7938,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 9565a71718a..50d2be0ae03 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -6419,6 +6419,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6515,6 +6516,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6533,6 +6535,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6582,6 +6585,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6735,6 +6739,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6867,6 +6872,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6929,6 +6935,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -6991,6 +6998,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7065,6 +7073,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7158,6 +7167,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7363,6 +7373,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
@@ -7927,6 +7938,7 @@
         "source": "https://aws.amazon.com/bedrock/pricing/",
         "supports_assistant_prefill": true,
         "supports_function_calling": true,
+        "supports_system_messages": true,
         "supports_response_schema": true,
         "supports_tool_choice": true
     },
diff --git a/tests/litellm/test_bedrock_extended_beta_models.py b/tests/litellm/test_bedrock_extended_beta_models.py
index ebbbd6cab5c..cb5881881ee 100644
--- a/tests/litellm/test_bedrock_extended_beta_models.py
+++ b/tests/litellm/test_bedrock_extended_beta_models.py
@@ -2,16 +2,19 @@
 Test suite for AWS Bedrock extended beta model support
 Tests model configuration, pricing, and regional availability for:
 - DeepSeek V3.2
+- Mistral Devstral 2 123B
 - Minimax M2.1
 - Moonshot AI Kimi K2.5
 - Qwen3 Coder Next
 """
 
+import json
 import os
 
 # Set env var to use local model cost map instead of fetching from remote
 os.environ["LITELLM_LOCAL_MODEL_COST_MAP"] = "true"
 
+import litellm
 import pytest
 
 from litellm import get_model_info
@@ -168,3 +171,38 @@ class TestModelSpecificFeatures:
         model_info = get_model_info("bedrock/us-east-1/qwen.qwen3-coder-next")
         assert model_info["max_input_tokens"] == 262144
         assert model_info["max_output_tokens"] == 8192
+
+    def test_devstral_2_bedrock_converse_metadata(self):
+        """Devstral 2 metadata should be region-complete and auto-registered."""
+        json_path = os.path.join(
+            os.path.dirname(__file__), "../../model_prices_and_context_window.json"
+        )
+        constants_path = os.path.join(
+            os.path.dirname(__file__), "../../litellm/constants.py"
+        )
+        with open(json_path) as f:
+            model_data = json.load(f)
+        with open(constants_path) as f:
+            constants_text = f.read()
+
+        regions = [
+            "ap-northeast-1",
+            "ap-southeast-1",
+            "ap-southeast-2",
+            "ap-south-1",
+            "eu-central-1",
+            "eu-north-1",
+            "eu-south-1",
+            "eu-west-1",
+            "eu-west-2",
+            "sa-east-1",
+            "us-east-1",
+            "us-west-2",
+        ]
+
+        for region in regions:
+            model = f"bedrock/{region}/mistral.devstral-2-123b"
+            assert model_data[model]["supports_system_messages"] is True
+
+        assert '"mistral.devstral-2-123b"' not in constants_text
+        assert "mistral.devstral-2-123b" in litellm.bedrock_converse_models