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

New model tops agentic benchmarks while approaching frontier performance at lower cost.

Test featured liftoff from Texas, Starlink V3 satellite deployment, and first soft ocean splashdown.
Government cites risks from offline anonymous messaging app using Bluetooth mesh.

AI safety researcher claims universal jailbreak bypasses safeguards on all major models.
The move brings the astrology app's CEO to lead cross-functional teams at the AI lab.

Shows advanced navigation on cliffs and rough terrain using reinforcement learning.

Tech leaders highlight benefits of open models for AI development and competition.
Open source AI coding platform sees rapid adoption after competitor restrictions.

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.

Leaked full system prompt for Claude Opus 5 shared publicly on GitHub.
AI researchers highlight errors and misleading scales in Claude's performance table.

Meeting highlights push for advanced nuclear reactors under new executive orders.
Researcher warns academics unprepared as AI inference compute reshapes progress across fields.
Tool provides historical web data via as_of date to avoid future leakage in backtesting.
Investor suggests Anthropic buy a sports franchise for Claude to manage entirely.
Platform suspends accounts using AI chatbots for automated replies to emphasize authentic human interaction.