claude-fable-5 is now live, near-universal SOTA across software engineering and vision, at official pricing ($10 input / $50 output per 1M tokens). ⚠️ Because of these advanced models’ capabilities, Fable 5 and Mythos 5 retain inputs/outputs for 30 days for serious-abuse detection: accessed only by automated safety systems by default, with human review only when potential harm is flagged. Retention is on the AWS / Anthropic side — APIYI is a pure transparent proxy and retains no data; other Claude models are unaffected. 📖 Deep dive
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