diff --git a/litellm/llms/anthropic/common_utils.py b/litellm/llms/anthropic/common_utils.py
index 0803b76ea52..f341ac0cbfc 100644
--- a/litellm/llms/anthropic/common_utils.py
+++ b/litellm/llms/anthropic/common_utils.py
@@ -425,14 +425,21 @@ class AnthropicModelInfo(BaseLLMModelInfo):
                 edits = context_management.get("edits", [])
             elif isinstance(context_management, list):
                 edits = context_management
-            for edit in edits:
-                edit_type = edit.get("type", "")
-                if edit_type in ("compact_20260112", "compaction"):
-                    betas.append(ANTHROPIC_BETA_HEADER_VALUES.COMPACT_2026_01_12.value)
-                else:
-                    betas.append(
-                        ANTHROPIC_BETA_HEADER_VALUES.CONTEXT_MANAGEMENT_2025_06_27.value
-                    )
+            has_compact = any(
+                edit.get("type", "") in ("compact_20260112", "compaction")
+                for edit in edits
+            )
+            has_other_edits = any(
+                edit.get("type", "")
+                and edit.get("type", "") not in ("compact_20260112", "compaction")
+                for edit in edits
+            )
+            if has_compact:
+                betas.append(ANTHROPIC_BETA_HEADER_VALUES.COMPACT_2026_01_12.value)
+            elif has_other_edits:
+                betas.append(
+                    ANTHROPIC_BETA_HEADER_VALUES.CONTEXT_MANAGEMENT_2025_06_27.value
+                )
 
         return list(set(betas))
 
diff --git a/tests/test_litellm/llms/anthropic/test_anthropic_common_utils.py b/tests/test_litellm/llms/anthropic/test_anthropic_common_utils.py
index d9c1f13afa0..d3883b08a06 100644
--- a/tests/test_litellm/llms/anthropic/test_anthropic_common_utils.py
+++ b/tests/test_litellm/llms/anthropic/test_anthropic_common_utils.py
@@ -1340,3 +1340,21 @@ class TestGetAnthropicBetaListContextManagement:
         )
         assert "compact-2026-01-12" not in betas
         assert "context-management-2025-06-27" not in betas
+
+    def test_mixed_edits_uses_compact_beta(self):
+        from litellm.llms.anthropic.common_utils import AnthropicModelInfo
+
+        info = AnthropicModelInfo()
+        betas = info.get_anthropic_beta_list(
+            model="claude-sonnet-4-6",
+            optional_params={
+                "context_management": {
+                    "edits": [
+                        {"type": "summarize"},
+                        {"type": "compact_20260112"},
+                    ],
+                }
+            },
+        )
+        assert "compact-2026-01-12" in betas
+        assert "context-management-2025-06-27" not in betas