diff --git a/controller/channel-test.go b/controller/channel-test.go
index 4ba3698bd54c..21484e5d38d9 100644
--- a/controller/channel-test.go
+++ b/controller/channel-test.go
@@ -52,6 +52,13 @@ func normalizeChannelTestEndpoint(channel *model.Channel, modelName, endpointTyp
 	if channel != nil && channel.Type == constant.ChannelTypeCodex {
 		return string(constant.EndpointTypeOpenAIResponse)
 	}
+	if channel != nil && service.ShouldChatCompletionsUseResponsesGlobal(
+		channel.Id,
+		channel.Type,
+		modelName,
+	) {
+		return string(constant.EndpointTypeOpenAIResponse)
+	}
 	return normalized
 }
 
diff --git a/controller/channel_test_endpoint_test.go b/controller/channel_test_endpoint_test.go
new file mode 100644
index 000000000000..f93bb0a31d70
--- /dev/null
+++ b/controller/channel_test_endpoint_test.go
@@ -0,0 +1,56 @@
+package controller
+
+import (
+	"testing"
+
+	"github.com/QuantumNous/new-api/constant"
+	"github.com/QuantumNous/new-api/model"
+	"github.com/QuantumNous/new-api/setting/model_setting"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestNormalizeChannelTestEndpointUsesResponsesCompatibilityPolicy(t *testing.T) {
+	settings := model_setting.GetGlobalSettings()
+	previous := settings.ChatCompletionsToResponsesPolicy
+	settings.ChatCompletionsToResponsesPolicy = model_setting.ChatCompletionsToResponsesPolicy{
+		Enabled:       true,
+		ChannelIDs:    []int{4},
+		ModelPatterns: []string{"^gpt-5.*$"},
+	}
+	t.Cleanup(func() {
+		settings.ChatCompletionsToResponsesPolicy = previous
+	})
+
+	channel := &model.Channel{Id: 4, Type: constant.ChannelTypeOpenAI}
+	assert.Equal(
+		t,
+		string(constant.EndpointTypeOpenAIResponse),
+		normalizeChannelTestEndpoint(channel, "gpt-5.6-sol", ""),
+	)
+	assert.Empty(
+		t,
+		normalizeChannelTestEndpoint(channel, "claude-3-7-sonnet", ""),
+	)
+	assert.Empty(
+		t,
+		normalizeChannelTestEndpoint(
+			&model.Channel{Id: 5, Type: constant.ChannelTypeOpenAI},
+			"gpt-5.6-sol",
+			"",
+		),
+	)
+}
+
+func TestNormalizeChannelTestEndpointKeepsExplicitEndpoint(t *testing.T) {
+	channel := &model.Channel{Id: 4, Type: constant.ChannelTypeOpenAI}
+	assert.Equal(
+		t,
+		string(constant.EndpointTypeOpenAI),
+		normalizeChannelTestEndpoint(
+			channel,
+			"gpt-5.6-sol",
+			string(constant.EndpointTypeOpenAI),
+		),
+	)
+}