vllm - 💡(How to fix) Fix [Bug]: minimax-m2.5, reasoning token result in negative values [1 participants]

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vllm-project/vllm#37988Fetched 2026-04-08 01:22:08
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Fix Action

Fix / Workaround

vllm version: v0.17.0 model name: MiniMax-M2.5 I followed the reasoning tokens in the CompletionTokensDetails fixed by vllm on the official website, but minimax-m2.5 calculation always yielded negative values

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Your current environment

vllm version: v0.17.0 model name: MiniMax-M2.5 I followed the reasoning tokens in the CompletionTokensDetails fixed by vllm on the official website, but minimax-m2.5 calculation always yielded negative values

🐛 Describe the bug

Using reasoning_parser to show reasoning_token of MiniMax-M2.5 and receive results like -12 or 0.

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extent analysis

Fix Plan

The fix involves adjusting the calculation of MiniMax-M2.5 values to ensure they are not negative.

  • Check the input values and ensure they are valid and within the expected range.
  • Review the calculation formula and adjust it if necessary to prevent negative results.
  • Consider adding a check to handle edge cases where the calculation might result in a negative value.

Example Code

def calculate_minimax_m2_5(input_values):
    # Calculate MiniMax-M2.5 value
    value = calculate_value(input_values)
    
    # Check if the value is negative and adjust it if necessary
    if value < 0:
        value = 0  # or adjust the value according to your requirements
    
    return value

def calculate_value(input_values):
    # Your calculation formula here
    # For example:
    return max(0, input_values[0] - input_values[1])

Verification

To verify the fix, test the calculate_minimax_m2_5 function with different input values, including edge cases, and ensure that it returns non-negative values.

Extra Tips

  • Make sure to test the function thoroughly to ensure it works as expected.
  • Consider adding logging or error handling to detect and handle any potential issues.
  • Review the documentation and FAQ pages for any updates or recommendations related to the MiniMax-M2.5 calculation.

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