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Handle exception for token cost calculation #4474

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merged 1 commit into from
Apr 8, 2025
Merged

Handle exception for token cost calculation #4474

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18 changes: 12 additions & 6 deletions backend/onyx/llm/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -498,15 +498,21 @@ def get_llm_contextual_cost(
num_input_tokens += num_tokens + num_docs * DOCUMENT_SUMMARY_TOKEN_ESTIMATE
num_output_tokens += num_docs * MAX_CONTEXT_TOKENS

usd_per_prompt, usd_per_completion = litellm.cost_per_token(
model=llm.config.model_name,
prompt_tokens=num_input_tokens,
completion_tokens=num_output_tokens,
)
try:
usd_per_prompt, usd_per_completion = litellm.cost_per_token(
model=llm.config.model_name,
prompt_tokens=num_input_tokens,
completion_tokens=num_output_tokens,
)
except Exception:
logger.exception(
f"An unexpected error occurred while calculating cost for model {llm.config.model_name} (potentially due to malformed name). Assuming cost is 0."
)
return 0

# Costs are in USD dollars per million tokens
return usd_per_prompt + usd_per_completion


def get_llm_max_tokens(
model_map: dict,
model_name: str,
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