Anthropic Fable 5/Mythos pulled after federal jailbreak claim
Key Questions
Why did Anthropic pull Fable 5 and Mythos 5?
Anthropic removed the models after the U.S. government claimed a jailbreak was possible. This escalated safety-regulation tensions, with the NSA losing access amid the dispute.
What happened after the Trump administration dropped AI controls on Anthropic?
Anthropic restored Fable 5 access once the administration lifted restrictions following new security safeguards. The models had faced temporary withdrawal due to federal concerns.
What other issues were reported with Anthropic's models?
A security researcher claimed a jailbreak within 48 hours of release. Stripe successfully migrated a 50M-line Ruby codebase in a single day using the models priced at $10/$50 per million tokens.
Anthropic pulled Fable 5 and Mythos 5 after U.S. government claimed a jailbreak, escalating the safety-regulation clash. NSA lost access to Mythos amid dispute. Security researcher claimed jailbreak within 48 hours. Stripe migrated 50M-line Ruby codebase in a day. Pricing $10/$50 per M tokens. Opus 4.8 crowned best quality model. Anthropic research on coding agent adoption gap: 81% trial vs 20% integration. New: Anthropic accuses Alibaba of 28.8M-exchange distillation attack. New: Claude Tag gives AI agents independent identities. New: MCP STDIO flaw (150M+ downloads) executes commands silently by design.