Product
Claude Fable 5
- First Reported
- Jun 10, 2026
- Latest Reported
- Jul 15, 2026
Reported Context (2)
- Fable (technically known as Claude Fable 5) was presented as the user-safe version of Mythos Preview, a limited-release frontier model with advanced cybersecurity capabilities, including red teaming, vulnerability Anthropic’s Fable Export Controls Highlight Risks of Frontier AI Dependence
- 🪶 Anthropic ships Claude Fable 5 — First public Mythos-class model, gated by a classifier layer a state-level team already cracked. Claude Opus Surfaces Longstanding Zcash Flaw in a Week of Security News
People (3)
Vendors (17)
Products (19)
Industries (2)
Countries (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.