The claim was “Yet most AI models can recite entire Harry Potter books if prompted the right way, so that’s all bullshit.”

In this test they did not get a model to produce an entire book with the right prompt.

For context: These two sentences are 46 Tokens/210 Characters, as per platform.openai.com/tokenizer.

50 tokens is just about two sentences. This comment is about 42 tokens itself.