US Export Order Forces Global Fable 5, Mythos 5 Shutdown
Commerce Secretary Lutnick ordered Anthropic to disable its two most powerful models worldwide - the first US export control directive ever issued against a commercial LLM.
Articles Tagged "Frontier Models"
MAI-Thinking-1
Microsoft's first in-house reasoning model, a 35B-active sparse MoE with 256K context, 97% on AIME 2025, and no distillation from third-party labs.
Claude Fable 5 Review: Mythos Power, Real Guardrails
Claude Fable 5 delivers the strongest coding and long-context results Anthropic has ever shipped publicly, but its safety classifiers block enough legitimate work to make that power conditional.
Claude Fable 5
Claude Fable 5 is Anthropic's first publicly available Mythos-class model, with safety classifiers that fall back to Claude Opus 4.8 for high-risk requests across cybersecurity, biology, and chemistry.
Anthropic Releases Fable 5 Despite Its Own AI Safety Warning
Anthropic opens Mythos-class capabilities to the public with Claude Fable 5 at $10/$50 per million tokens, days after calling for a global AI pause.
Anthropic Files for $1T IPO, Warns AI May Escape Control
Anthropic published internal data showing Claude writes 80% of its own codebase - and called for a coordinated global AI pause - four days after filing a $965B IPO.
GPT-Rosalind Review: The Gated Drug Discovery Model
OpenAI's life sciences reasoning model gets a June update with global access and new NGS plugins - strong benchmarks, but still locked behind a Trusted Access Program with no public pricing.
Great American AI Act Would Preempt State AI Laws
A bipartisan Congressional bill would freeze state AI laws for three years and require frontier developers to publish catastrophic risk plans, submit to federal audits, and face $1M daily fines.
Claude Mythos Finds 10K Flaws in Critical Systems
Anthropic expands Project Glasswing to 150 organizations across 15 countries, with Claude Mythos Preview surfacing 10,000 high-severity vulnerabilities since April.
Trump Signs Voluntary AI Review Order After Pushback
Trump signed a narrowed AI executive order giving the government 30 days of voluntary pre-release access to frontier models, after industry lobbying gutted the original 90-day mandatory proposal.
Nvidia Cosmos 3 Is the First Open Physical AI Model
Nvidia's Cosmos 3 is the first fully open omnimodel for physical AI, trained on 20 trillion tokens to teach robots and autonomous vehicles how to reason and act in the real world.
OpenAI Governance Doc Targets California and EU AI Law
OpenAI published its first public compliance framework mapping internal safety practices to California's SB 53 and the EU AI Act - but critics note the underlying Preparedness Framework quietly dropped manipulation from its risk categories last April.
