diff --git a/test-utils/src/lib.rs b/test-utils/src/lib.rs
index 07cee67..1350695 100644
--- a/test-utils/src/lib.rs
+++ b/test-utils/src/lib.rs
@@ -145,27 +145,35 @@ pub fn test_infer(
     let maybe_file = Path::new(prompt);
     if maybe_file.is_file() {
         let file = std::fs::read_to_string(maybe_file).unwrap();
+        let mut correct = 0;
+        let mut total = 0;
         for line in file.lines() {
-            let line = serde_json::from_str::<String>(line).unwrap();
-            let prompt = format!("<s>{line}\n");
+            let line =
+                serde_json::from_str::<serde_json::Map<String, serde_json::Value>>(line).unwrap();
+            let serde_json::Value::String(prompt) = &line["origin_prompt"] else {
+                unreachable!()
+            };
+            let serde_json::Value::String(gold) = &line["gold"] else {
+                unreachable!()
+            };
+            let prompt = format!("<s>{prompt}\n");
 
             // print_now!("{prompt}");
 
-            let mut tokens = tokenizer.encode(&prompt);
-            let mut pos = 0;
-            for _ in 0..max_steps {
-                let next = lm(&tokens, pos);
+            let tokens = tokenizer.encode(&prompt);
+            let ans = tokenizer.decode(lm(&tokens, 0));
 
-                pos += tokens.len();
-                if next == eos {
-                    break;
-                }
-
-                let piece = tokenizer.decode(next);
-                print_now!("{piece}");
-                tokens = vec![next];
+            let result = gold.as_str() == ans;
+            if result {
+                correct += 1
             }
-            println!()
+            total += 1;
+
+            println!(
+                "({correct:>4}/{total:<4} {:6.2}%) {} {gold} {ans}",
+                100. * (correct as f64 / total as f64),
+                if result { "✔" } else { "✘" },
+            )
         }
         return;
     }