A June 12 letter from US Commerce Secretary Howard Lutnick to Anthropic CEO Dario Amodei ordered the company to halt AI model exports and bar foreign national access, marking the first application of 2018 Export Control Reform Act powers against a major generative AI player and accelerating sovereign AI programs worldwide.

The step counts as the most aggressive federal regulatory intervention targeting a leading generative AI firm to date.
The startup reportedly eased its AI safety rules recently because of competitive pressures and a disagreement with the Pentagon.
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Anthropic has launched the Anthropic Cyber Mission to support defenders of critical infrastructure and open-source software with models, engineers, and tools. The initiative starts with the Critical Infrastructure Defense Program and free OSS Scanner amid ongoing challenges in verifying and fixing vulnerabilities.
Anthropic released Claude Haiku 5.5, its cheapest and fastest small model, at $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100,000 tokens. Anthropic says it costs around 75% less to run than Haiku 4.5 on average and scores far higher on its benchmarks.
Anthropic's Claude service is down worldwide due to authentication system failures affecting multiple products. More than 1,500 reports appeared on Downdetector within minutes on September 29.
Anthropic's IPO prospectus warns its AI work could raise catastrophic risks to humanity while reporting a $42 billion net loss on $4.6 billion revenue. The filing also details plans for a founder-controlled LLC to retain 50.1 percent voting power post-IPO.
Anthropic introduced Claude Sonnet 5.5 at unchanged mid-tier rates of $2 per million input tokens and $10 per million output tokens. The model exceeded Opus 5.5 on Terminal-Bench 4.0 yet consumed more tokens at peak effort settings.