diff --git a/crates/core/models.json b/crates/core/models.json
index ba803f3d..4fcadc0b 100644
--- a/crates/core/models.json
+++ b/crates/core/models.json
@@ -76,7 +76,7 @@
       "mode": "tokens",
       "limit": 10000
     },
-    "input_modalities": ["text"],
+    "input_modalities": ["text", "image"],
     "reasoning_implementation": {
       "model_variant": {
         "variants": [
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()