What verification changes
- The announced removal starts with most existing Ultra subscribers. Newer accounts retain a temporary limit until verification, with an email when the restriction is removed. The stated purpose is fraud and abuse prevention.
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- Verification happens automatically. Verifying a phone number at checkout is separate and does not remove the limit.
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- The stated account check is Settings → Usage: absence of a current-session bar indicates verification. Theo criticizes the lack of published criteria or detail about the process.
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Theo's explanation for the restriction
- Distillation, as discussed here, uses large numbers of Claude requests and responses to train another model. Theo argues that subscriptions provide a cheaper source of those outputs than API access, using his $200 versus $12,000 usage comparison.
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- He attributes demand for rapid subscription consumption to Chinese labs and other companies seeking distillation data. He argues that removing five-hour limits makes this easier and motivates stricter verification. These are his explanations, not evidence of how Anthropic's verification algorithm works.
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- His criticism is that vague verification rules also restrict legitimate users who want the advertised Ultra benefit.
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Next: SDK usage accounting