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fix(utils.py): expand openai_token_counter selection

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Krrish Dholakia 2023-11-30 18:51:51 -08:00
parent ff4457e2d2
commit aa36bd2784
1 changed files with 4 additions and 13 deletions
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17
litellm/utils.py
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@ -1572,21 +1572,12 @@ def openai_token_counter(messages: Optional[list]=None, model="gpt-3.5-turbo-061
except KeyError:
print_verbose("Warning: model not found. Using cl100k_base encoding.")
encoding = tiktoken.get_encoding("cl100k_base")
if model in {
"gpt-3.5-turbo",
"gpt-3.5-turbo-0613",
"gpt-3.5-turbo-16k-0613",
"gpt-4",
"gpt-4-0314",
"gpt-4-32k-0314",
"gpt-4-0613",
"gpt-4-32k-0613",
}:
tokens_per_message = 3
tokens_per_name = 1
elif model == "gpt-3.5-turbo-0301":
if model == "gpt-3.5-turbo-0301":
tokens_per_message = 4 # every message follows <|start|>{role/name}\n{content}<|end|>\n
tokens_per_name = -1 # if there's a name, the role is omitted
elif model in litellm.open_ai_chat_completion_models:
tokens_per_message = 3
tokens_per_name = 1
else:
raise NotImplementedError(
f"""num_tokens_from_messages() is not implemented for model {model}. See https://github.com/openai/openai-python/blob/main/chatml.md for information on how messages are converted to tokens."""