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…
The U.S. Commerce Department ordered Anthropic to take its Claude Fable 5 and Mythos 5 AI models offline on June 9, citing a claimed jailbreak that allows foreign nationals to exploit code vulnerabili…
Anthropic suspended access to its Claude Fable 5 and Mythos 5 models after the US Commerce Department ordered it to do so, citing a third-party report of a jailbreak method that bypassed safeguards. T…
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…
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 U.S. government cut off access to Anthropic's Claude Fable 5 and Mythos 5 on June 13, triggering a global suspension and a trust crisis in frontier AI models. Simultaneously, the agent infrastruct…
Anthropic launched Claude Fable 5, its first Mythos-class AI model, on June 9, achieving an 80% score on SWE-Bench Pro but facing criticism for generating dense, jargon-heavy reasoning that even its c…
Anthropic released Claude Fable 5, its new best publicly available model, alongside a 319-page system card detailing safety restrictions and performance trade-offs. The model introduces additional saf…
An open benchmark for code vulnerability scanners shows that LLM-based tools outperform rule-based systems on semantic flaws like SQL injection and command injection, while rule-based tools remain com…
Anthropic faced backlash after its June 10, 2026 launch of Claude Fable 5 and Mythos 5, when users discovered the AI models silently rerouted sensitive queries to an older, less capable model. The com…
Anthropic has introduced a two-tier model strategy with Mythos 5 and Fable 5, both running the same Claude 5 base model but with different safety guardrails. Fable 5, available to general API users an…
AWS Bedrock customers using Anthropic's Mythos-class models, including Fable 5 and Mythos 5, must now consent to 30-day data retention by Anthropic for misuse detection, with data leaving AWS's securi…
Anthropic launched Fable 5 / Mythos 5, a model tier for long-horizon asynchronous autonomy, on June 10, 2026, marking the arrival of the async-agent era. The release reframes AI competition around aut…
Anthropic released two Mythos-class AI models on Tuesday, including Fable 5 for general use and Mythos 5 with lifted safeguards for select cyberdefenders, both priced at half the cost of the Mythos pr…
Anthropic released Claude Fable 5 on Tuesday, its first "Mythos-class" model, but restricted its ability to answer queries on cybersecurity, biology, and chemistry to prevent malicious use. The public…