Anthropic and OpenAI trade cheaper flagship models the same day Sam Altman and Dario Amodei brief the UN Security Council on AI risk. Plus Meta's Muse agent triggers a brokerage selloff, Stripe maps global card-fraud trends, DHH opens Rails World in Austin, and a wildcard: physicists catch sound's first real-time quantum jump.

Russell Brandom, TechCrunch · Sep 22

Anthropic's newest flagship model cuts typical costs 40% while matching Claude Fable 5.1 on most benchmark tasks.

Lucas Ropek, TechCrunch · Sep 22

OpenAI's two new GPT-6 tiers cut API prices roughly in half and reduce factual errors versus GPT-5.6.

Bloomberg · Sep 23

Sam Altman will urge the UN Security Council to adopt shared AI safety benchmarks as Dario Amodei joins by video.

CNBC · Sep 23

Traders sold Charles Schwab shares on bets that Meta's new Muse AI agent will erode brokerage and consumer-service fees.

Samuel Bakouch & Jacob Meltzer, Stripe · Sep 22

Stripe's analysis of billions of transactions finds Asia Pacific's 3D Secure mandates cut card fraud the most since 2022.

Simon Willison · Sep 22

New release of Willison's LLM command-line tool adds GPT-6 Sol and Luna support plus single-turn model handling.

Tech Startups · Sep 22

Daily roundup of venture rounds led by Snorkel AI's $350 million raise and Heidi Health's $340 million package.

Rails Foundation · Sep 23

DHH's livestreamed opening keynote at Rails World in Austin covers what's new and what's next for Rails.

NerdWallet · Sep 22

The average 30-year fixed mortgage rate climbed to 7.16% APR, up 12 basis points in a single day.