correct checkpoints see: https://github.com/facebookresearch/metaseq/pull/164

config.json

@@ -1,15 +1,17 @@
 {
+  "_remove_final_layer_norm": false,
   "activation_dropout": 0.0,
   "activation_function": "relu",
   "architectures": [
-    "OPTForCausalLM"
+    "OPTModel"
   ],
   "attention_dropout": 0.0,
   "bos_token_id": 2,
-  "hidden_size": 4096,
+  "do_layer_norm_before": true,
   "dropout": 0.1,
   "eos_token_id": 2,
   "ffn_dim": 16384,
+  "hidden_size": 4096,
   "init_std": 0.02,
   "layerdrop": 0.0,
   "max_position_embeddings": 2048,
@@ -17,10 +19,10 @@
   "num_attention_heads": 32,
   "num_hidden_layers": 32,
   "pad_token_id": 1,
+  "prefix": "</s>",
   "torch_dtype": "float16",
-  "transformers_version": "4.19.0.dev0",
+  "transformers_version": "4.21.0.dev0",
   "use_cache": true,
   "vocab_size": 50272,
-  "word_embed_proj_dim": 4096,
-  "prefix": "</s>"
+  "word_embed_proj_dim": 4096
 }

pytorch_model-00001-of-00002.bin

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:3417d01bca959bd136493f0b06413b8e85fd8f9c5101f62a55663c3ba74eb234
-size 9960733937
+oid sha256:9fe9acfd39b64d2f51371afac60af02289eea8451c5e28ede2f67fec5505f50c
+size 9960750957

pytorch_model.bin.index.json

@@ -1,10 +1,12 @@
 {
   "metadata": {
-    "total_size": 13316931584
+    "total_size": 13316947968
   },
   "weight_map": {
     "decoder.embed_positions.weight": "pytorch_model-00001-of-00002.bin",
     "decoder.embed_tokens.weight": "pytorch_model-00001-of-00002.bin",
+    "decoder.final_layer_norm.bias": "pytorch_model-00001-of-00002.bin",
+    "decoder.final_layer_norm.weight": "pytorch_model-00001-of-00002.bin",
     "decoder.layers.0.fc1.bias": "pytorch_model-00001-of-00002.bin",
     "decoder.layers.0.fc1.weight": "pytorch_model-00001-of-00002.bin",
     "decoder.layers.0.fc2.bias": "pytorch_model-00001-of-00002.bin",