diff --git a/coderd/x/chatd/chaterror/classify_test.go b/coderd/x/chatd/chaterror/classify_test.go
index 2ab7549e59e39..2db9ab5a1a49e 100644
--- a/coderd/x/chatd/chaterror/classify_test.go
+++ b/coderd/x/chatd/chaterror/classify_test.go
@@ -503,6 +503,8 @@ func TestClassify_PatternCoverage(t *testing.T) {
 		{name: "QuotaLiteral", err: "quota", wantKind: codersdk.ChatErrorKindUsageLimit, wantRetry: false},
 		{name: "BillingLiteral", err: "billing", wantKind: codersdk.ChatErrorKindUsageLimit, wantRetry: false},
 		{name: "InsufficientQuotaLiteral", err: "insufficient_quota", wantKind: codersdk.ChatErrorKindUsageLimit, wantRetry: false},
+		{name: "AIBudgetExceededLiteral", err: "status 403: AI budget of US$10.00 exceeded", wantKind: codersdk.ChatErrorKindUsageLimit, wantRetry: false},
+		{name: "AIBudgetCheckFailedLiteral", err: "status 500: internal server error checking user AI budget", wantKind: codersdk.ChatErrorKindGeneric, wantRetry: true},
 		{name: "PaymentRequiredLiteral", err: "payment required", wantKind: codersdk.ChatErrorKindUsageLimit, wantRetry: false},
 		{name: "ForbiddenLiteral", err: "forbidden", wantKind: codersdk.ChatErrorKindAuth, wantRetry: false},
 		{name: "InvalidModelLiteral", err: "invalid model", wantKind: codersdk.ChatErrorKindConfig, wantRetry: false},
diff --git a/coderd/x/chatd/chaterror/signals.go b/coderd/x/chatd/chaterror/signals.go
index 4f004e150be33..15f439df3ef3b 100644
--- a/coderd/x/chatd/chaterror/signals.go
+++ b/coderd/x/chatd/chaterror/signals.go
@@ -73,7 +73,7 @@ var (
 	}
 	// Hard usage exhaustion codes that fire at any HTTP status,
 	// including 429.
-	usageLimitAnyStatusPatterns = []string{"insufficient_quota"}
+	usageLimitAnyStatusPatterns = []string{"insufficient_quota", "ai budget of"}
 	configPatterns              = []string{
 		"invalid model",
 		"model not found",