Access to Claude Fable 5 and Claude Mythos 5 is restored
UpdateVerifiedAdded Sep 22, 2026
Anthropic has restored access to Claude Fable 5 and Claude Mythos 5 and published a statement with more information.
Topics: LLMs
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More Claude Platform releases
Every Claude Platform release| Date | Release | Type |
|---|---|---|
| Jul 2 | agent-memory-2026-07-22 beta header changes memory store listing behavior Beta | Beta |
| Jul 2 | Claude SDKs switch memory store calls to the agent-memory-2026-07-22 header Update | Update |
| Jun 30 | Claude Sonnet 5 launches with a 1M token context window at $2 / $10 per MTok GA | GA |
| Jun 30 | Claude Managed Agents session event streams support event deltas Update | Update |
| Jun 30 | Claude Managed Agents session listing adds backward pagination Update | Update |
| Jun 30 | Claude Managed Agents sessions can override agent configuration Update | Update |
| Jun 30 | Claude Managed Agents vaults add injection_location for credentials Update | Update |
| Jun 30 | Claude Managed Agents webhooks cover agent and deployment lifecycle events Update | Update |
