Add perplexity results for EleutherAI/gpt-neo-1.3B

EleutherAI/results_EleutherAI_gpt-neo-1.3B_20250726_010247.json

@@ -0,0 +1,12 @@
+{
+  "config": {
+    "model_dtype": "torch.float16",
+    "model_name": "EleutherAI/gpt-neo-1.3B",
+    "model_sha": "main"
+  },
+  "results": {
+    "perplexity": {
+      "perplexity": 5.9609375
+    }
+  }
+}