The Trump Administration Is Lifting Its Export Controls on Anthropic’s Mythos and Fable AI Models

The lifting of restrictions on Mythos 5 could boost Anthropic's market valuation and foster stronger U.S. tech-government collaboration. The post US lifts restrictions on Anthropic’s Mythos 5 AI model appeared first on Crypto Briefing.

The lifting of restrictions on Claude Mythos 5 may signal increased trust in AI safety, potentially leading to broader future access. The post Trump administration lifts restrictions on Anthropic’s Claude Mythos 5 AI model appeared first on Crypto Briefing.

Anthropic has released Claude Sonnet 5, an update that is substantially improved over predecessor Claude Sonnet 4.6 in coding, reasoning, tool use, and knowledge work, according to the company. Claude Sonnet 5 was introduced June 30. It can make plans, use tools like browsers and terminals, and run autonomously at a level that required larger and more expensive models a few months ago, Anthropic said. Safety assessments found that Sonnet 5 shows an overall lower rate of undesirable behaviors than Sonnet 4.6 and is generally safer to use in agentic contexts, the company also noted. Claude Sonnet 5 is a drop-in upgrade for Claude Sonnet 4.6 with three behavior changes: adaptive thinking is on by default, manual extended thinking now returns a 400 error (it was deprecated on Claude Sonnet 4.6), and setting sampling parameters to non-default values also returns a 400 error. Further, Sonnet 5 uses an updated tokenizer that changes how the model processes text to improve performance. Anthro

The move allows Anthropic to bring its most powerful technologies back online, de-escalating a feud with the Trump administration.

The US Commerce Department has lifted export controls on Anthropic’s advanced AI models, Fable and Mythos, allowing their use again after being disabled since June due to national security concerns.

US government move allows AI start-up to re-release Mythos and Fable models

After weeks of negotiating with the Trump administration, Anthropic is finally going to be able to bring Claude Fable 5 back online. In a post on X, Anthropic said it plans to begin restoring access tomorrow. Anthropic: We've received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5. We'll begin restoring access tomorrow, and will share an update soon. We're grateful to our users for their patience, and to everyone who worked with us on redeploying the models. In early June, Anthropic sidelined Fable 5 - its consumer-facing model built the same underlying technology as Anthropic's My … Read the full story at The Verge.

The collaboration signals potential easing of export controls, boosting market confidence in AI model accessibility and innovation. The post US Commerce Secretary collaborates with Anthropic to authorize Fable 5 model appeared first on Crypto Briefing.