{ "tokenizer_class": "GPT2Tokenizer", "vocab_size": 50257, "model_max_length": 512, "bos_token": "<|endoftext|>", "eos_token": "<|endoftext|>", "unk_token": "<|endoftext|>", "pad_token": "<|endoftext|>", "add_prefix_space": false, "do_lower_case": false }