special_tokens_map.json

{
  "bos_token": {
    "content": "<s>",
    "id": 1
  },
  "eos_token": {
    "content": "</s>",
    "id": 2
  },
  "unk_token": {
    "content": "<unk>",
    "id": 0
  },
  "pad_token": {
    "content": "<pad>",
    "id": 3
  }
}