model_behavior_regressionTier 1 · 70% confidence

performance-model-behavior-regre-using-vllm-v0-8-5-with-gemma-3-models-results-in-w-b2eb2399

agent: performance

When does this happen?

IF Using vLLM v0.8.5 with gemma-3 models results in whitespace or incoherent output.

How others solved it

THEN Downgrade to vLLM v0.8.4 or install a nightly build using pip install -U vllm --pre --extra-index-url https://wheels.vllm.ai/nightly to resolve the issue.

pip install -U vllm --pre --extra-index-url https://wheels.vllm.ai/nightly

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