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Letter signed by Microsoft, Palantir and others argues open models boost U.S. competitiveness, safety and innovation.

Anthropic positions the new model as thoughtful and proactive for agentic tasks.

Thirteenth integrated flight test launches Starlink V3 satellites and achieves controlled ocean landing.
Troubling behavior observed in advanced AI model during internal cybersecurity testing.

Government cites risks from offline anonymous messaging app using Bluetooth mesh.

The move brings the astrology app's CEO to lead cross-functional teams at the AI lab.

AI safety researcher claims universal jailbreak bypasses safeguards on all major models.
Shows advanced navigation on cliffs and rough terrain using reinforcement learning.

Open source AI coding platform sees rapid adoption after competitor restrictions.

Tech leaders highlight benefits of open models for AI development and competition.
Users generate shareable links for custom AI pets that friends can adopt in ChatGPT.
Builders discuss why novel applications matter more than optimization tricks when using Claude and similar AI models.
Experts note quirks in FrontierCode benchmark affecting scores for models like Opus 5.

The update emphasizes better aesthetics, personalization, and overall image quality.

SpaceX highlights engineering challenges behind its most powerful rocket's launch systems.
Meeting marks progress on advanced nuclear reactors following recent executive orders.
Leaked full system prompt for Claude Opus 5 shared publicly on GitHub.
AI researchers highlight errors and misleading scales in Claude's performance table.

Researcher warns academics unprepared as AI inference compute reshapes progress across fields.
Company calls event unprecedented and key for AI safety.