diff --git a/src/celeste/providers/anthropic/messages/parameters.py b/src/celeste/providers/anthropic/messages/parameters.py
index da5d2cee..1dfd9d95 100644
--- a/src/celeste/providers/anthropic/messages/parameters.py
+++ b/src/celeste/providers/anthropic/messages/parameters.py
@@ -208,7 +208,7 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
         if isinstance(content, dict):
             parsed = content
         elif isinstance(content, str):
-            parsed = json.loads(content)
+            parsed = json.loads(content, strict=False)
         else:
             parsed = content
 
diff --git a/src/celeste/providers/cohere/chat/parameters.py b/src/celeste/providers/cohere/chat/parameters.py
index a75dd560..73d55f7f 100644
--- a/src/celeste/providers/cohere/chat/parameters.py
+++ b/src/celeste/providers/cohere/chat/parameters.py
@@ -125,7 +125,7 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
             return content
 
         if isinstance(content, str):
-            parsed = json.loads(content)
+            parsed = json.loads(content, strict=False)
         else:
             parsed = content
 
diff --git a/src/celeste/providers/deepseek/chat/parameters.py b/src/celeste/providers/deepseek/chat/parameters.py
index d2e12373..7d6f084d 100644
--- a/src/celeste/providers/deepseek/chat/parameters.py
+++ b/src/celeste/providers/deepseek/chat/parameters.py
@@ -79,7 +79,7 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
             return content
 
         if isinstance(content, str):
-            parsed = json.loads(content)
+            parsed = json.loads(content, strict=False)
         else:
             parsed = content
 
diff --git a/src/celeste/providers/google/generate_content/parameters.py b/src/celeste/providers/google/generate_content/parameters.py
index 939b1c54..ed6f54d9 100644
--- a/src/celeste/providers/google/generate_content/parameters.py
+++ b/src/celeste/providers/google/generate_content/parameters.py
@@ -232,7 +232,9 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
         if isinstance(content, list) and content and isinstance(content[0], BaseModel):
             return content
 
-        parsed = json.loads(content) if isinstance(content, str) else content
+        parsed = (
+            json.loads(content, strict=False) if isinstance(content, str) else content
+        )
 
         # For list[T], handle various formats Google might return
         origin = get_origin(value)
diff --git a/src/celeste/providers/google/interactions/parameters.py b/src/celeste/providers/google/interactions/parameters.py
index ba683b18..f966891a 100644
--- a/src/celeste/providers/google/interactions/parameters.py
+++ b/src/celeste/providers/google/interactions/parameters.py
@@ -210,7 +210,9 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
         if isinstance(content, list) and content and isinstance(content[0], BaseModel):
             return content
 
-        parsed = json.loads(content) if isinstance(content, str) else content
+        parsed = (
+            json.loads(content, strict=False) if isinstance(content, str) else content
+        )
 
         # For list[T], handle various formats Google might return
         origin = get_origin(value)
diff --git a/src/celeste/providers/groq/chat/parameters.py b/src/celeste/providers/groq/chat/parameters.py
index 8b409530..26ad7170 100644
--- a/src/celeste/providers/groq/chat/parameters.py
+++ b/src/celeste/providers/groq/chat/parameters.py
@@ -108,7 +108,9 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
         if isinstance(content, list) and content and isinstance(content[0], BaseModel):
             return content
 
-        parsed_json = json.loads(content) if isinstance(content, str) else content
+        parsed_json = (
+            json.loads(content, strict=False) if isinstance(content, str) else content
+        )
 
         # Unwrap list from items wrapper
         origin = get_origin(value)
diff --git a/src/celeste/providers/mistral/chat/parameters.py b/src/celeste/providers/mistral/chat/parameters.py
index a7f829ae..8a5e1a84 100644
--- a/src/celeste/providers/mistral/chat/parameters.py
+++ b/src/celeste/providers/mistral/chat/parameters.py
@@ -121,7 +121,7 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
             return content
 
         if isinstance(content, str):
-            parsed = json.loads(content)
+            parsed = json.loads(content, strict=False)
         else:
             parsed = content
         return TypeAdapter(value).validate_python(parsed)
diff --git a/src/celeste/providers/moonshot/chat/parameters.py b/src/celeste/providers/moonshot/chat/parameters.py
index 9e191d1c..d0ab3eb8 100644
--- a/src/celeste/providers/moonshot/chat/parameters.py
+++ b/src/celeste/providers/moonshot/chat/parameters.py
@@ -79,7 +79,7 @@ def parse_output(self, content: TextContent, value: object | None) -> TextConten
             return content
 
         if isinstance(content, str):
-            parsed = json.loads(content)
+            parsed = json.loads(content, strict=False)
         else:
             parsed = content