# Claude Fable 5 Mythos\-class model launch announcement

[Reference page](https://posts.design/claude-fable-5-mythos-class-model-launch-announcement-2026-06-09) · [Markdown](https://posts.design/claude-fable-5-mythos-class-model-launch-announcement-2026-06-09.md) · [Original source](https://x.com/claudeai/status/2064394146916229443)

Introducing Claude Fable 5: a Mythos\-class model that we’ve made safe for general use\.

Its capabilities exceed those of any model we’ve ever made generally available\.

- Kind: post
- Media: video
- Posting account: Claude · @claudeai
- Account: [claudeai](https://x.com/claudeai)
- Represented brand: Claude
- Subjects: AI
- Source published: 2026\-06\-09
- Captured: 2026\-06\-09
- Recorded views: 57666298 · captured 2026\-10\-12T23:55:02\.237Z · refresh\-observed\-public

![Claude Fable 5 Mythos\-class model launch announcement — public x\-twitter post media curated for social post design inspiration\.](https://posts.design/images/posts/x-twitter-claudeai-2064394146916229443-claude-fable-5-launch.webp)

1280 × 1280

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