huggingface loading_error ai_generated true

OSError: Can't load tokenizer for 'model-name'. Make sure the model identifier is correct.

ID: huggingface/tokenizer-load-error

Also available as: JSON · Markdown
88%Fix Rate
90%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
any active — — —

Root Cause

Hugging Face cannot load tokenizer. Model name typo, private/gated model, or missing tokenizer files.

generic

Workarounds

  1. 92% success Check exact model name on huggingface.co/models 
    AutoTokenizer.from_pretrained('meta-llama/Llama-2-7b-hf')  # exact Hub ID

    Sources: https://huggingface.co/docs/transformers/

  2. 90% success Login with access token for gated/private models 
    huggingface-cli login  # or use_auth_token=True in from_pretrained()
  3. 82% success Specify revision/branch if model has multiple versions 
    AutoTokenizer.from_pretrained('model', revision='main')

Dead Ends

Common approaches that don't work:

  1. Download tokenizer files manually from the Hub and load locally 70% fail

    Manual download may miss files (special_tokens_map, tokenizer_config) causing subtle errors

  2. Use a different tokenizer assuming they are interchangeable 88% fail

    Tokenizers are model-specific. Using wrong tokenizer produces wrong token IDs and garbage outputs.