diff --git a/relay/billing/ratio/model.go b/relay/billing/ratio/model.go
index eb0160c7..ef7898a8 100644
--- a/relay/billing/ratio/model.go
+++ b/relay/billing/ratio/model.go
@@ -108,19 +108,19 @@ var ModelRatio = map[string]float64{
 	"dall-e-2":                             20 * MilliTokensUsd, // $0.016 - $0.020 / image
 	"dall-e-3":                             40 * MilliTokensUsd, // $0.040 - $0.120 / image
 	// https://www.anthropic.com/api#pricing
-	"claude-instant-1.2":         0.8 / MilliTokensUsd,
-	"claude-2.0":                 8.0 / MilliTokensUsd,
-	"claude-2.1":                 8.0 / MilliTokensUsd,
-	"claude-3-haiku-20240307":    0.25 / MilliTokensUsd,
-	"claude-3-5-haiku-20241022":  1.0 / MilliTokensUsd,
-	"claude-3-5-haiku-latest":    1.0 / MilliTokensUsd,
-	"claude-3-sonnet-20240229":   3.0 / MilliTokensUsd,
-	"claude-3-5-sonnet-20240620": 3.0 / MilliTokensUsd,
-	"claude-3-5-sonnet-20241022": 3.0 / MilliTokensUsd,
-	"claude-3-5-sonnet-latest":   3.0 / MilliTokensUsd,
-	"claude-3-7-sonnet-20250219": 3.0 / MilliTokensUsd,
-	"claude-3-7-sonnet-latest":   3.0 / MilliTokensUsd,
-	"claude-3-opus-20240229":     15.0 / MilliTokensUsd,
+	"claude-instant-1.2":         0.8 * MilliTokensUsd,
+	"claude-2.0":                 8.0 * MilliTokensUsd,
+	"claude-2.1":                 8.0 * MilliTokensUsd,
+	"claude-3-haiku-20240307":    0.25 * MilliTokensUsd,
+	"claude-3-5-haiku-20241022":  1.0 * MilliTokensUsd,
+	"claude-3-5-haiku-latest":    1.0 * MilliTokensUsd,
+	"claude-3-sonnet-20240229":   3.0 * MilliTokensUsd,
+	"claude-3-5-sonnet-20240620": 3.0 * MilliTokensUsd,
+	"claude-3-5-sonnet-20241022": 3.0 * MilliTokensUsd,
+	"claude-3-5-sonnet-latest":   3.0 * MilliTokensUsd,
+	"claude-3-7-sonnet-20250219": 3.0 * MilliTokensUsd,
+	"claude-3-7-sonnet-latest":   3.0 * MilliTokensUsd,
+	"claude-3-opus-20240229":     15.0 * MilliTokensUsd,
 	// https://cloud.baidu.com/doc/WENXINWORKSHOP/s/hlrk4akp7
 	"ERNIE-4.0-8K":       0.120 * KiloRmb,
 	"ERNIE-3.5-8K":       0.012 * KiloRmb,
@@ -315,12 +315,12 @@ var ModelRatio = map[string]float64{
 	"abab5.5-chat":  0.015 * KiloRmb,
 	"abab5.5s-chat": 0.005 * KiloRmb,
 	// https://docs.mistral.ai/platform/pricing/
-	"open-mistral-7b":       0.25 / MilliTokensUsd,
-	"open-mixtral-8x7b":     0.7 / MilliTokensUsd,
-	"mistral-small-latest":  2.0 / MilliTokensUsd,
-	"mistral-medium-latest": 2.7 / MilliTokensUsd,
-	"mistral-large-latest":  8.0 / MilliTokensUsd,
-	"mistral-embed":         0.1 / MilliTokensUsd,
+	"open-mistral-7b":       0.25 * MilliTokensUsd,
+	"open-mixtral-8x7b":     0.7 * MilliTokensUsd,
+	"mistral-small-latest":  2.0 * MilliTokensUsd,
+	"mistral-medium-latest": 2.7 * MilliTokensUsd,
+	"mistral-large-latest":  8.0 * MilliTokensUsd,
+	"mistral-embed":         0.1 * MilliTokensUsd,
 	// https://wow.groq.com/#:~:text=inquiries%C2%A0here.-,Model,-Current%20Speed
 	"gemma-7b-it":                           0.07 / 1000 * MilliTokensUsd,
 	"gemma2-9b-it":                          0.20 / 1000 * MilliTokensUsd,
@@ -358,17 +358,17 @@ var ModelRatio = map[string]float64{
 	"command-nightly":       0.5,
 	"command-light":         0.5,
 	"command-light-nightly": 0.5,
-	"command-r":             0.5 / MilliTokensUsd,
-	"command-r-plus":        3.0 / MilliTokensUsd,
+	"command-r":             0.5 * MilliTokensUsd,
+	"command-r-plus":        3.0 * MilliTokensUsd,
 	// https://platform.deepseek.com/api-docs/pricing/
 	"deepseek-chat":     0.27 * MilliTokensUsd,
 	"deepseek-reasoner": 0.55 * MilliTokensUsd,
 	// https://www.deepl.com/pro?cta=header-prices
-	"deepl-zh": 25.0 / MilliTokensUsd,
-	"deepl-en": 25.0 / MilliTokensUsd,
-	"deepl-ja": 25.0 / MilliTokensUsd,
+	"deepl-zh": 25.0 * MilliTokensUsd,
+	"deepl-en": 25.0 * MilliTokensUsd,
+	"deepl-ja": 25.0 * MilliTokensUsd,
 	// https://console.x.ai/
-	"grok-beta": 5.0 / MilliTokensUsd,
+	"grok-beta": 5.0 * MilliTokensUsd,
 	// vertex imagen3
 	// https://cloud.google.com/vertex-ai/generative-ai/pricing#imagen-models
 	"imagen-3.0-generate-001": 0.02 * KiloTokensUsd,