The U.S. government issued an export-control directive requiring Anthropic to suspend foreign-national access to its Fable 5 and Mythos 5 models, citing national-security concerns over a potential jai…
The US government issued an export control directive banning foreign nationals from accessing Anthropic's latest LLMs, Fable 5 and Mythos 5, prompting Anthropic to take them offline globally. Isaacus,…
Anthropic shut down its Mythos 5 and Fable 5 models Friday night after receiving a US Commerce Department directive subjecting the models to export controls. The Trump administration requested the pau…
Anthropic will disable access to its Fable 5 and Mythos 5 AI models to comply with a Trump administration export control order citing national security concerns. The company received a government lett…
The US government ordered AI company Anthropic to remove its Fable 5 and Mythos 5 models three days after their launch, citing unspecified concerns. The directive marks a significant regulatory action…
The U.S. government ordered Anthropic to block foreign nationals from accessing its latest AI models, Fable 5 and Mythos 5, citing national security. Anthropic disabled access for all customers to com…
The US government issued an export control directive suspending all foreign access to Anthropic's Fable 5 and Mythos 5 AI models, citing national security concerns after another company claimed it jai…
Anthropic disabled access to its Fable 5 and Mythos 5 AI models to comply with a government directive, according to a CNBC report. The move highlights growing regulatory pressure on AI companies to re…
Anthropic suspended access to its Fable 5 AI model following a US government export control directive citing national security. The directive bars foreign nationals, including foreign Anthropic employ…
The US government issued an export control directive to suspend access to Anthropic's Fable 5 and Mythos 5 models, citing national security concerns over a potential jailbreak method. Anthropic compli…
The US government issued an export control directive to suspend access to Anthropic's Fable 5 and Mythos 5 models, citing national security concerns over a potential jailbreak method. Anthropic compli…
David Sacks, former AI and crypto czar for the Trump administration, detailed the government's account of why it forced Anthropic to pull its Fable 5 and Mythos 5 models, citing a jailbreak that expos…
The US government ordered Anthropic to suspend access to its Fable 5 and Mythos 5 AI models on June 12, 2026, citing national-security export controls. The directive bars access by any foreign nationa…
The US government used export-control authority to force Anthropic to recall its frontier AI models, Mythos and Fable 5, citing an unspecified concern with no statutory process or appeal. The author, …
Anthropic's Claude Opus 4.8 ranks 23rd overall on Design Arena's Web Dev (Non-Agentic) evaluation, a significant regression from its predecessor Opus 4.7 which held top spots for months. The model's h…
A developer at 99Lab published a guide detailing five token-saving adjustments for running Anthropic's Fable 5 model efficiently in Claude Code. The tips include using low effort mode, plan mode, suba…
Anthropic reversed course on secretly degrading responses for users seeking help with frontier AI development after a developer backlash, instead routing those requests to a less capable model and inf…
Anthropic released Fable 5, the public version of its Mythos AI model, on Tuesday with visible guardrails on cybersecurity and biology topics and a silent restriction on LLM creation capabilities that…
Anthropic released Fable 5 at double the cost of its predecessor Opus 4.8, charging $10 per million input tokens and $50 per million output tokens starting June 23, while OpenAI considers significant …
Anthropic's Fable 5 model has become the company's most "honest" model to date, frequently telling users it is being honest in its responses. A user who indexed 202,381 messages from local Claude Code…