diff --git a/python/semantic_kernel/connectors/ai/anthropic/services/anthropic_chat_completion.py b/python/semantic_kernel/connectors/ai/anthropic/services/anthropic_chat_completion.py
index ba1fb679b9aa..a73e03373951 100644
--- a/python/semantic_kernel/connectors/ai/anthropic/services/anthropic_chat_completion.py
+++ b/python/semantic_kernel/connectors/ai/anthropic/services/anthropic_chat_completion.py
@@ -65,8 +65,11 @@
 # map finish reasons from Anthropic to Semantic Kernel
 ANTHROPIC_TO_SEMANTIC_KERNEL_FINISH_REASON_MAP = {
     "end_turn": SemanticKernelFinishReason.STOP,
+    "stop_sequence": SemanticKernelFinishReason.STOP,
     "max_tokens": SemanticKernelFinishReason.LENGTH,
+    "model_context_window_exceeded": SemanticKernelFinishReason.LENGTH,
     "tool_use": SemanticKernelFinishReason.TOOL_CALLS,
+    "refusal": SemanticKernelFinishReason.CONTENT_FILTER,
 }
 
 logger: logging.Logger = logging.getLogger(__name__)
@@ -274,7 +277,7 @@ def _create_chat_message_content(
 
         finish_reason = None
         if response.stop_reason:
-            finish_reason = ANTHROPIC_TO_SEMANTIC_KERNEL_FINISH_REASON_MAP[response.stop_reason]
+            finish_reason = ANTHROPIC_TO_SEMANTIC_KERNEL_FINISH_REASON_MAP.get(response.stop_reason)
 
         return ChatMessageContent(
             inner_content=response,
@@ -312,7 +315,7 @@ def _create_streaming_chat_message_content(
                 )
             )
         elif isinstance(stream_event, RawMessageDeltaEvent):
-            finish_reason = ANTHROPIC_TO_SEMANTIC_KERNEL_FINISH_REASON_MAP[str(stream_event.delta.stop_reason)]
+            finish_reason = ANTHROPIC_TO_SEMANTIC_KERNEL_FINISH_REASON_MAP.get(str(stream_event.delta.stop_reason))
             usage = _get_completion_usage(stream_event.usage)
             start_usage = metadata.get("usage") if metadata else None
             if getattr(stream_event.usage, "input_tokens", None) is None and isinstance(start_usage, CompletionUsage):
diff --git a/python/tests/unit/connectors/ai/anthropic/services/test_anthropic_chat_completion.py b/python/tests/unit/connectors/ai/anthropic/services/test_anthropic_chat_completion.py
index 14576c778eea..cb9d41045682 100644
--- a/python/tests/unit/connectors/ai/anthropic/services/test_anthropic_chat_completion.py
+++ b/python/tests/unit/connectors/ai/anthropic/services/test_anthropic_chat_completion.py
@@ -22,6 +22,7 @@
 from semantic_kernel.contents.chat_message_content import ChatMessageContent, FunctionCallContent, TextContent
 from semantic_kernel.contents.streaming_chat_message_content import StreamingChatMessageContent
 from semantic_kernel.contents.utils.author_role import AuthorRole
+from semantic_kernel.contents.utils.finish_reason import FinishReason
 from semantic_kernel.exceptions import (
     ServiceInitializationError,
     ServiceInvalidExecutionSettingsError,
@@ -666,3 +667,40 @@ async def async_generator():
         gen_ai_attributes.INPUT_TOKENS: 130,
         gen_ai_attributes.OUTPUT_TOKENS: 7,
     }
+
+
+@pytest.mark.parametrize(
+    ("stop_reason", "finish_reason"),
+    [
+        ("end_turn", FinishReason.STOP),
+        ("stop_sequence", FinishReason.STOP),
+        ("max_tokens", FinishReason.LENGTH),
+        ("model_context_window_exceeded", FinishReason.LENGTH),
+        ("tool_use", FinishReason.TOOL_CALLS),
+        ("refusal", FinishReason.CONTENT_FILTER),
+        ("pause_turn", None),
+    ],
+)
+def test_stop_reason_maps_to_finish_reason(anthropic_unit_test_env, stop_reason, finish_reason) -> None:
+    chat_completion = AnthropicChatCompletion()
+    message = Message(
+        id="msg_1",
+        type="message",
+        role="assistant",
+        model="claude-sonnet-4-5",
+        content=[TextBlock(type="text", text="Hello")],
+        stop_reason=stop_reason,
+        stop_sequence=None,
+        usage=Usage(input_tokens=1, output_tokens=1),
+    )
+    delta_event = RawMessageDeltaEvent(
+        type="message_delta",
+        delta=Delta(stop_reason=stop_reason, stop_sequence=None),
+        usage=MessageDeltaUsage(output_tokens=1),
+    )
+
+    content = chat_completion._create_chat_message_content(message, {})
+    streaming_content = chat_completion._create_streaming_chat_message_content(delta_event)
+
+    assert content.finish_reason == finish_reason
+    assert streaming_content.finish_reason == finish_reason