diff --git a/litellm/litellm_core_utils/core_helpers.py b/litellm/litellm_core_utils/core_helpers.py
index 22006be21af..85e2b970cfb 100644
--- a/litellm/litellm_core_utils/core_helpers.py
+++ b/litellm/litellm_core_utils/core_helpers.py
@@ -65,7 +65,7 @@ _FINISH_REASON_MAP: dict[str, OpenAIChatCompletionFinishReason] = {
     "max_tokens": "length",
     "tool_use": "tool_calls",
     "refusal": "content_filter",
-    "compaction": "length",
+    "compaction": "stop",
     # Cohere
     "COMPLETE": "stop",
     "ERROR_TOXIC": "content_filter",
diff --git a/tests/test_litellm/litellm_core_utils/test_core_helpers.py b/tests/test_litellm/litellm_core_utils/test_core_helpers.py
index 8397fc22242..8f0c6d418c5 100644
--- a/tests/test_litellm/litellm_core_utils/test_core_helpers.py
+++ b/tests/test_litellm/litellm_core_utils/test_core_helpers.py
@@ -66,7 +66,7 @@ class TestMapFinishReasonAnthropic:
             ("end_turn", "stop"),
             ("max_tokens", "length"),
             ("tool_use", "tool_calls"),
-            ("compaction", "length"),
+            ("compaction", "stop"),
             ("content_filtered", "content_filter"),
         ],
     )