diff --git a/api/core/model_runtime/model_providers/anthropic/anthropic.py b/api/core/model_runtime/model_providers/anthropic/anthropic.py
index 00a6bbce3b..325c6c060e 100644
--- a/api/core/model_runtime/model_providers/anthropic/anthropic.py
+++ b/api/core/model_runtime/model_providers/anthropic/anthropic.py
@@ -19,9 +19,9 @@ class AnthropicProvider(ModelProvider):
         try:
             model_instance = self.get_model_instance(ModelType.LLM)
 
-            # Use `claude-instant-1` model for validate,
+            # Use `claude-3-opus-20240229` model for validate,
             model_instance.validate_credentials(
-                model='claude-instant-1.2',
+                model='claude-3-opus-20240229',
                 credentials=credentials
             )
         except CredentialsValidateFailedError as ex:
diff --git a/api/core/model_runtime/model_providers/anthropic/llm/claude-instant-1.2.yaml b/api/core/model_runtime/model_providers/anthropic/llm/claude-instant-1.2.yaml
index 929a7f8725..ac69bbf4d2 100644
--- a/api/core/model_runtime/model_providers/anthropic/llm/claude-instant-1.2.yaml
+++ b/api/core/model_runtime/model_providers/anthropic/llm/claude-instant-1.2.yaml
@@ -33,3 +33,4 @@ pricing:
   output: '5.51'
   unit: '0.000001'
   currency: USD
+deprecated: true