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Why Model Downgrades Are Rarely About Quantization

23:43

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Complaints about silent post-launch model degradation frequently blame secret quantization. Examining FP8 hardware capabilities on AWS Trainium and Hopper chips alongside deployment tools like vLLM reveals why low-precision formats are often baseline launch designs rather than stealthy post-release cuts. Documented quality drops usually stem from serving adjustments: caching failures, modified…