diff --git a/crates/core/models.json b/crates/core/models.json
index 0e50fd15..85cf5d47 100644
--- a/crates/core/models.json
+++ b/crates/core/models.json
@@ -42,7 +42,8 @@
             "limit": 10000
         },
         "input_modalities": [
-            "text"
+            "text",
+            "image"
         ],
         "reasoning_implementation": {
             "model_variant": {
diff --git a/crates/core/src/model_catalog.rs b/crates/core/src/model_catalog.rs
index f3629272..6282ccd6 100644
--- a/crates/core/src/model_catalog.rs
+++ b/crates/core/src/model_catalog.rs
@@ -153,6 +153,17 @@ mod tests {
         );
     }
 
+    #[test]
+    fn builtin_minimax_m3_supports_image_input() {
+        let model = load_builtin_models()
+            .expect("load builtin models")
+            .into_iter()
+            .find(|model| model.slug == "MiniMax-M3")
+            .expect("MiniMax-M3 model");
+
+        assert!(model.input_modalities.contains(&InputModality::Image));
+    }
+
     #[test]
     fn load_from_config_applies_partial_builtin_override_without_replacing_metadata() {
         let builtin = load_builtin_models()