diff --git a/setting/ratio_setting/model_ratio.go b/setting/ratio_setting/model_ratio.go
index 1c9b259d..829e0794 100644
--- a/setting/ratio_setting/model_ratio.go
+++ b/setting/ratio_setting/model_ratio.go
@@ -96,6 +96,10 @@ var defaultModelRatio = map[string]float64{
 	"gpt-5-mini-2025-08-07":                     0.125,
 	"gpt-5-nano":                                0.025,
 	"gpt-5-nano-2025-08-07":                     0.025,
+	"gpt-5.5":                                   2.5, // $5 / 1M tokens
+	"gpt-5.6-sol":                               2.5,
+	"gpt-5.6-terra":                             1.25,
+	"gpt-5.6-luna":                              0.5,
 	"gpt-3.5-turbo":                             0.25,
 	"gpt-3.5-turbo-0613":                        0.75,
 	"gpt-3.5-turbo-16k":                         1.5, // $0.003 / 1K tokens