Unverified50% confidenceFactExact time
业界将用户购买时享有的权益在无告知情况下被削减的行为称为隐性降级（Silent Downgrade）
1
Sources
50%
Confidence
Long-term
Relevance
7/13/2026
First Seen
Sources
Perplexity Max额度从40K缩至10K，付费用户该怎么办？
redditr/perplexity_ai7/12/2026
Related Claims
UnverifiedFor disputes involving 'forgotten auto-renewal cancellation,' merchants can often provide records of user consent, so the chargeback success rate is not high and it should be used as a last resort.62% similarUnverifiedGray-market low-price services rely on a continuous supply of bulk accounts; once the platform strengthens risk controls or the service provider disappears, users' prepaid balances will be zeroed out with no legal protection.60% similar
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