diff --git a/providers/coralbricks/models/glm-5.3-flash-fp4.toml b/providers/coralbricks/models/glm-5.3-flash-fp4.toml
index 199058e48b0..a7836490ddd 100644
--- a/providers/coralbricks/models/glm-5.3-flash-fp4.toml
+++ b/providers/coralbricks/models/glm-5.3-flash-fp4.toml
@@ -12,3 +12,7 @@ output = 131_072
 input = 0.15
 output = 0.5
 cache_read = 0
+
+[modalities]
+input = ["text", "image", "video"]
+output = ["text"]