# Anthropic Claude claude-mythos-5 — lifecycle date eolFrom is now 2027-06-09 For Anthropic Claude claude-mythos-5, product is claude; field changed is eolFrom; new value is 2027-06-09; detected is 2026-09-21, recorded from its source on 2026-09-21; source re-checked 2026-10-26. - **Product:** claude _(verified: appears in the quote below)_ - **Product label:** Anthropic Claude - **Release cycle:** claude-mythos-5 _(verified: appears in the quote below)_ - **Field changed:** eolFrom _(verified: appears in the quote below)_ - **New value:** 2027-06-09 _(verified: appears in the quote below)_ - **Detected:** 2026-09-21 _(our reading, not quoted from the source)_ ## What the source says > {"name":"claude-mythos-5","codename":null,"label":"Claude Mythos 5","releaseDate":"2026-06-09","isLts":false,"ltsFrom":null,"isEoas":false,"eoasFrom":null,"isEol":false,"eolFrom":"2027-06-09" ## Source - https://endoflife.date/api/v1/products/claude Last verified: 2026-10-26. Review by: 2026-11-09. Part of [Software end-of-life date changes — which dates moved and what they were before](https://referencesource.org/software-eol-change-feed/).