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US export controls suspend Anthropic Fable 5 and Mythos 5 for foreign nationals

US export controls issued June 12 forced Anthropic to suspend Fable 5 and Mythos 5 for foreign nationals, affecting Bedrock, Vertex, and direct API users.

2 min read 9 sources

On June 12, 2026, the US Department of Commerce issued an export control directive ordering Anthropic to suspend access to Claude Fable 5 and Claude Mythos 5 for any foreign national, whether based inside or outside the United States, including non-citizen Anthropic employees (CNBC). Anthropic complied by asking AWS to revoke access on Amazon Bedrock; the suspension also extends to Vertex AI, Microsoft Foundry, and the direct Anthropic API, meaning third-party tools such as Cursor that proxy Anthropic API requests are subject to the same restriction (Developers Digest). According to reporting, Commerce Secretary Howard Lutnick sent a letter to Anthropic CEO Dario Amodei citing national security authorities, and an administration official told Axios the action was triggered after an unnamed company claimed to have jailbroken Mythos 5 (Fortune; Time). All other Anthropic models, including Claude Opus 4.8, remain available without restriction (9to5Mac). The action is the first time US export controls have targeted a deployed commercial AI software model rather than chips or hardware, a precedent that analysts say could reshape how frontier labs distribute future releases and where their engineering teams can be based (Fortune).

MiniMax published open weights for its M3 model on Hugging Face in the week after the June 1 API launch, fulfilling a 10-day commitment made at release (HowAIWorks); M3 is a sparse Mixture-of-Experts model supporting a 1-million-token context window, native multimodal input including text, image, and video, and computer-use capabilities, and reports a 59.0% score on SWE-Bench Pro, ahead of several closed-source contemporaries (The Decoder; MarkTechPost). OpenAI on June 8 launched the Economic Research Exchange, a grant program offering $25,000 per principal investigator plus $7,500 per month for research assistant support, aimed at independent academic study of AI effects on labor markets, business adoption, and household welfare, with applications open through July 5, 2026 (OpenAI).

Compiled automatically from the linked sources and published without manual editing - a neutral summary of third-party reporting, for information only. Every claim links to its origin. Not original reporting.