> ## Documentation Index > Fetch the complete documentation index at: https://docs.apiyi.com/llms.txt > Use this file to discover all available pages before exploring further. # Claude Fable 5 Is Live on APIYI ยท 30-Day Data Retention Compliance > Anthropic's new Mythos-class flagship claude-fable-5 is now live on APIYI at official pricing ($10 input / $50 output per 1M tokens). Fable 5 and Mythos 5 follow a 30-day input/output data retention compliance: accessed only by automated safety systems by default, human review only when potential harm is flagged. **2026/6/10 19:43 (UTC+8)** ยท New Model ยท Anthropic ๐Ÿš€ **Claude Fable 5 is live on APIYI ยท 30-day data retention compliance** โ€”โ€” Anthropic's new Mythos-class flagship `claude-fable-5` is now live, near-universal SOTA across software engineering and vision, at official pricing (\$10 input / \$50 output per 1M tokens). โš ๏ธ 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 โ€” **APIYI is a pure transparent proxy and retains no data; other Claude models are unaffected**. ๐Ÿ“– [Deep dive](/en/news/claude-fable-5-launch) *** โ† [Back to Live Updates](/en/live) ยท ๐Ÿ“š [Archive by month](/en/live/archive)