diff --git a/relay/channel/aws/constants.go b/relay/channel/aws/constants.go
index b2060b2ad..56a7cc054 100644
--- a/relay/channel/aws/constants.go
+++ b/relay/channel/aws/constants.go
@@ -17,6 +17,7 @@ var awsModelIDMap = map[string]string{
 	"claude-opus-4-20250514":     "anthropic.claude-opus-4-20250514-v1:0",
 	"claude-opus-4-1-20250805":   "anthropic.claude-opus-4-1-20250805-v1:0",
 	"claude-sonnet-4-5-20250929": "anthropic.claude-sonnet-4-5-20250929-v1:0",
+	"claude-haiku-4-5-20251001":  "anthropic.claude-haiku-4-5-20251001-v1:0",
 	// Nova models
 	"nova-micro-v1:0":   "amazon.nova-micro-v1:0",
 	"nova-lite-v1:0":    "amazon.nova-lite-v1:0",
@@ -75,6 +76,11 @@ var awsModelCanCrossRegionMap = map[string]map[string]bool{
 		"ap": true,
 		"eu": true,
 	},
+	"anthropic.claude-haiku-4-5-20251001-v1:0": {
+		"us": true,
+		"ap": true,
+		"eu": true,
+	},
 	// Nova models - all support three major regions
 	"amazon.nova-micro-v1:0": {
 		"us":   true,