Anthropic Shuts Down Frontier Models Under US Pressure; Amazon Role Exposed; World Models Attract $2B
Anthropic迫于美方压力关闭前沿模型，亚马逊角色浮出水面；世界模型获20亿美元投资
English overview
On June 14, 2026, the dominant story was the forced shutdown of Anthropic's Claude Fable 5 and Mythos 5 after a US export control directive on June 12, with multiple sources reporting that Amazon's security research and CEO-level White House lobbying triggered the unprecedented ban. Anthropic contested the evidence as narrow but could not filter foreign nationals in real time, making this the first government-driven suspension of a publicly deployed frontier AI. Separately, the TensorZero repository was abruptly archived right after a $7.3M seed round, sparking open-source community concerns. Llama.cpp gained Cohere2 mixture-of-experts architecture support, while Fei-Fei Li and Yann LeCun each raised $1 billion to back world models over language AI, signaling a strategic pivot toward physical intelligence.
Chinese overview
2026年6月14日，头条新闻是Anthropic因6月12日的美国出口管制指令被迫关闭Claude Fable 5和Mythos 5模型，多方报道指出亚马逊安全研究和CEO与白宫的沟通触发了这一史无前例的禁令。Anthropic辩称越狱证据不充分，但因无法实时过滤外国用户而全面禁用，开创了政府干预前沿模型可用性先例。同日，TensorZero在730万美元种子轮融资后出人意料地归档代码库，引发开源社区忧虑；llama.cpp新增Cohere2混合专家架构支持；李飞飞与杨立昆各筹10亿美元押注世界模型，标志行业从语言AI向物理智能的战略转向。
Included items
Anthropic Disables Claude Fable 5 and Mythos 5 After US Government Export Control Order on June 12, 2026
On June 12, 2026, a US export control directive forced Anthropic to disable its two most capable models, Claude Fable 5 and Mythos 5, for all users because it could not filter foreign nationals in real time. The order followed a claim by another company that it had jailbroken Mythos, but Anthropic disputes this as a narrow, non-universal jailbreak. Fable 5's safety system uses classifiers that route risky queries (cybersecurity, bio-chem, distillation) to Opus 4.8 in under 5% of sessions; the model had been publicly available since June 9. All other Claude models, including Opus 4.8, remain unaffected. This appears to be the first government-forced takedown of a publicly deployed frontier AI model.
Read itemAnthropic revoked access to its Claude Fable 5 and Mythos 5 models just three days after launch, affecting all customers worldwide. The suspension follows a US government directive based on claims of a possible jailbreak that poses a national cybersecurity risk, though Anthropic contests the evidence as verbal and narrow. The move disrupted downstream products and benchmarks and triggered debate on model sovereignty and reliance on single frontier vendors. Anthropic reset rate limits to mitigate impact but the incident sets a precedent for government-influenced model availability.
On June 12, 2026, Anthropic received a US government export control directive ordering the suspension of all access to its Fable 5 and Mythos 5 models for foreign nationals, forcing the company to disable both models for all customers. The directive cites a jailbreak method that can identify minor software vulnerabilities in a specific codebase, but Anthropic states that similar capabilities exist in other public models like OpenAI's GPT-5.5 and are routinely used by defenders. Access to all other Anthropic models remains unaffected. The blogger independently verified that Fable 5 was still accessible until 6:59pm Pacific Time, after which API calls returned a 404 error.
Amazon's security research is reportedly the reason the White House decided to ban Anthropic's Fable application. No additional details were provided in the source.
Amazon CEO’s discussions with U.S. government officials have led to a crackdown on AI models developed by Anthropic, according to a Wall Street Journal report. The nature of the crackdown is not detailed, but it involves regulatory or enforcement actions specifically targeting Anthropic's technology. The development highlights the influence of corporate lobbying and high-level government engagement on AI policy.
The open-source AI tool repository for TensorZero was archived on GitHub overnight, shortly after the project raised $7.3 million in seed funding. The archiving makes the codebase read-only and halts public development updates, raising questions about the project's future. This event is notable for the AI open-source community, as it reflects a sudden shift for a well-funded initiative.
Release b9626 of llama.cpp introduces support for the Cohere2 Mixture of Experts (MoE) architecture under the new arch name "cohere2moe". It fixes sliding window attention pattern handling, resolves MTP failures by switching to iSWA, and adjusts shared expert combination to (routed+shared)*0.5. Redundant gating function checks, lmhead tensor checks, and tokenizer type definitions were removed; the tokenizer is kept as tiny_aya. Platform builds are provided for macOS (Apple Silicon/Intel), Linux (x64/arm64 with Vulkan, ROCm, OpenVINO, SYCL), Android, and Windows (CPU/CUDA/Vulkan/SYCL/HIP), along with UI support.
Fei-Fei Li and Yann LeCun have each raised a billion dollars to back world models for physical AI, marking a shift away from language-centric approaches. The article details how world models decide when physical AI systems can effectively interact with the real world. This funding underscores a major bet against large language models as the sole path to general intelligence.