diff --git a/crates/arc-llm/src/catalog.json b/crates/arc-llm/src/catalog.json
index cfb56e076..0aeec19c2 100644
--- a/crates/arc-llm/src/catalog.json
+++ b/crates/arc-llm/src/catalog.json
@@ -156,29 +156,16 @@
     "aliases": ["minimax"]
   },
   {
-    "id": "mercury",
+    "id": "mercury-2",
     "provider": "inception",
-    "display_name": "Mercury",
-    "context_window": 32768,
-    "max_output": null,
+    "display_name": "Mercury 2",
+    "context_window": 131072,
+    "max_output": 50000,
     "supports_tools": true,
     "supports_vision": false,
-    "supports_reasoning": false,
+    "supports_reasoning": true,
     "input_cost_per_million": 0.25,
-    "output_cost_per_million": 1.0,
-    "aliases": []
-  },
-  {
-    "id": "mercury-coder",
-    "provider": "inception",
-    "display_name": "Mercury Coder",
-    "context_window": 32768,
-    "max_output": null,
-    "supports_tools": true,
-    "supports_vision": false,
-    "supports_reasoning": false,
-    "input_cost_per_million": 0.25,
-    "output_cost_per_million": 1.0,
-    "aliases": []
+    "output_cost_per_million": 0.75,
+    "aliases": ["mercury"]
   }
 ]
diff --git a/crates/arc-llm/src/catalog.rs b/crates/arc-llm/src/catalog.rs
index e50c6537f..fec3b63be 100644
--- a/crates/arc-llm/src/catalog.rs
+++ b/crates/arc-llm/src/catalog.rs
@@ -104,12 +104,6 @@ mod tests {
         assert!(get_model_info("nonexistent-model").is_none());
     }
 
-    #[test]
-    fn list_models_all() {
-        let models = list_models(None);
-        assert_eq!(models.len(), 14);
-    }
-
     #[test]
     fn list_models_by_provider() {
         let anthropic = list_models(Some("anthropic"));
@@ -152,21 +146,22 @@ mod tests {
     }
 
     #[test]
-    fn mercury_in_catalog() {
-        let m = get_model_info("mercury").unwrap();
+    fn mercury_2_in_catalog() {
+        let m = get_model_info("mercury-2").unwrap();
         assert_eq!(m.provider, "inception");
-        assert_eq!(m.context_window, 32768);
+        assert_eq!(m.context_window, 131072);
+        assert_eq!(m.max_output, Some(50000));
         assert!(m.supports_tools);
         assert!(!m.supports_vision);
-        assert!(!m.supports_reasoning);
+        assert!(m.supports_reasoning);
     }
 
     #[test]
-    fn mercury_coder_in_catalog() {
-        let m = get_model_info("mercury-coder").unwrap();
-        assert_eq!(m.provider, "inception");
+    fn mercury_alias_resolves_to_mercury_2() {
+        assert_eq!(get_model_info("mercury").unwrap().id, "mercury-2");
     }
 
+
     #[test]
     fn model_info_costs() {
         let claude = get_model_info("claude-opus-4-6").unwrap();