diff --git a/api/core/model_runtime/model_providers/openrouter/llm/claude-3-5-sonnet.yaml b/api/core/model_runtime/model_providers/openrouter/llm/claude-3-5-sonnet.yaml
index 40558854e2..e829048e55 100644
--- a/api/core/model_runtime/model_providers/openrouter/llm/claude-3-5-sonnet.yaml
+++ b/api/core/model_runtime/model_providers/openrouter/llm/claude-3-5-sonnet.yaml
@@ -27,9 +27,9 @@ parameter_rules:
   - name: max_tokens
     use_template: max_tokens
     required: true
-    default: 4096
+    default: 8192
     min: 1
-    max: 4096
+    max: 8192
   - name: response_format
     use_template: response_format
 pricing: