diff --git a/relay/adaptor/openai/adaptor.go b/relay/adaptor/openai/adaptor.go
index a1b24321..3e8c6085 100644
--- a/relay/adaptor/openai/adaptor.go
+++ b/relay/adaptor/openai/adaptor.go
@@ -85,8 +85,8 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 		request.StreamOptions.IncludeUsage = true
 	}
 
-	// o1 do not support system prompt and max_tokens
-	if strings.HasPrefix(request.Model, "o1-mini") || strings.HasPrefix(request.Model, "o1-preview") {
+	// o1/o1-mini/o1-preview do not support system prompt and max_tokens
+	if strings.HasPrefix(request.Model, "o1") {
 		request.MaxTokens = 0
 		request.Messages = func(raw []model.Message) (filtered []model.Message) {
 			for i := range raw {
diff --git a/relay/billing/ratio/model.go b/relay/billing/ratio/model.go
index 125dbb9a..a8587ba4 100644
--- a/relay/billing/ratio/model.go
+++ b/relay/billing/ratio/model.go
@@ -467,7 +467,7 @@ func GetCompletionRatio(name string, channelType int) float64 {
 		}
 		return 2
 	}
-	// including o1, o1-preview, o1-mini
+	// including o1/o1-preview/o1-mini
 	if strings.HasPrefix(name, "o1") {
 		return 4
 	}