diff --git a/tests/test_litellm/reasoning_effort_grid_v4/grid_spec.py b/tests/test_litellm/reasoning_effort_grid_v4/grid_spec.py
index 7ba676118a..cbd2cb5a9e 100644
--- a/tests/test_litellm/reasoning_effort_grid_v4/grid_spec.py
+++ b/tests/test_litellm/reasoning_effort_grid_v4/grid_spec.py
@@ -114,7 +114,7 @@ _BEDROCK_REQ = frozenset({"AWS_ACCESS_KEY_ID", "AWS_SECRET_ACCESS_KEY"})
 _CAPS_OPUS_4_7: FrozenSet[str] = frozenset(
     {"supports_xhigh_reasoning_effort", "supports_max_reasoning_effort"}
 )
-_CAPS_OPUS_4_6: FrozenSet[str] = frozenset({"supports_max_reasoning_effort"})
+_CAPS_4_6: FrozenSet[str] = frozenset({"supports_max_reasoning_effort"})
 _CAPS_NONE: FrozenSet[str] = frozenset()
 
 
@@ -131,7 +131,7 @@ ANTHROPIC_DIRECT_MODELS: Tuple[ModelEntry, ...] = (
         model="anthropic/claude-sonnet-4-6",
         mode="adaptive",
         required_env=_ANTHROPIC_REQ,
-        caps=_CAPS_NONE,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="claude-haiku-4-5",
@@ -156,14 +156,14 @@ AZURE_AI_MODELS: Tuple[ModelEntry, ...] = (
         model="azure_ai/claude-opus-4-6",
         mode="adaptive",
         required_env=_AZURE_FOUNDRY_REQ,
-        caps=_CAPS_OPUS_4_6,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="azure-claude-sonnet-4-6",
         model="azure_ai/claude-sonnet-4-6",
         mode="adaptive",
         required_env=_AZURE_FOUNDRY_REQ,
-        caps=_CAPS_NONE,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="azure-claude-haiku-4-5",
@@ -190,7 +190,7 @@ VERTEX_AI_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("vertex_location", "us-east5"),),
         required_env=_VERTEX_REQ,
-        caps=_CAPS_OPUS_4_6,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="vertex-claude-sonnet-4-6",
@@ -198,7 +198,7 @@ VERTEX_AI_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("vertex_location", "us-east5"),),
         required_env=_VERTEX_REQ,
-        caps=_CAPS_NONE,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="vertex-claude-haiku-4-5",
@@ -226,7 +226,7 @@ BEDROCK_CONVERSE_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("aws_region_name", "us-east-1"),),
         required_env=_BEDROCK_REQ,
-        caps=_CAPS_OPUS_4_6,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="bedrock-claude-sonnet-4-6",
@@ -234,7 +234,7 @@ BEDROCK_CONVERSE_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("aws_region_name", "us-east-1"),),
         required_env=_BEDROCK_REQ,
-        caps=_CAPS_NONE,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="bedrock-claude-sonnet-4-5",
@@ -254,7 +254,7 @@ BEDROCK_INVOKE_CHAT_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("aws_region_name", "us-east-1"),),
         required_env=_BEDROCK_REQ,
-        caps=_CAPS_OPUS_4_6,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="bedrock-invoke-claude-sonnet-4-6",
@@ -262,7 +262,7 @@ BEDROCK_INVOKE_CHAT_MODELS: Tuple[ModelEntry, ...] = (
         mode="adaptive",
         extra_params=(("aws_region_name", "us-east-1"),),
         required_env=_BEDROCK_REQ,
-        caps=_CAPS_NONE,
+        caps=_CAPS_4_6,
     ),
     ModelEntry(
         alias="bedrock-invoke-claude-opus-4-5",