Claude Mythos 5.1
Available · Language, Multimodal, Reasoning · Primary source available
- Lifecycle
- Milestone or variant
- Related model
- Source event
- AI Radar coverage
- Only month or year known
- 4 events
2026
As of 10 October 2026
Released +1
Predecessor Claude Mythos 5
Announcement published
All events, in order
- Lineage Predecessor Claude Mythos 5
- Source Announcement published
- Lifecycle Released
- Lineage Based on Claude Fable 5.1
← The full record of Claude Mythos 5.1, with every claim and its sources