
Karpathy Joins Anthropic to Lead Pre-Training Push
Andrej Karpathy, OpenAI co-founder and former Tesla AI director, joins Anthropic's pre-training team to build a research program that uses Claude to accelerate its own training.
They summarize our coverage. We write it.
Newsletters like this one rebroadcast our headlines - often without the full review, the source reading, or the analysis underneath. Our weekly briefing sends the work they paraphrase, straight from the desk, before they get to it.
Free, weekly, no spam. One email every Tuesday. Unsubscribe anytime.

Andrej Karpathy, OpenAI co-founder and former Tesla AI director, joins Anthropic's pre-training team to build a research program that uses Claude to accelerate its own training.

South Korean startup LetinAR raises $18.5M to scale its PinTILT optical modules, which already power AI glasses and AR helmets as shipments hit 8.7 million units globally in 2025.

OpenAI hired outside lawyers to explore a breach-of-contract case after its ChatGPT-Siri integration failed to generate anything close to the billions in subscription revenue it expected.

Anthropic commits $200M in grants, Claude credits, and technical support to the Gates Foundation for AI in global health, education, and agriculture over four years.

Ramp's May 2026 AI Index shows 34.4% of businesses now pay for Anthropic, edging out OpenAI at 32.3% - the first time Anthropic has led in enterprise adoption.

Sam Altman testified that Elon Musk demanded majority control of OpenAI from the beginning, with an opening ask of 90% equity - a revelation that reframes the entire lawsuit.

Pwn2Own Berlin 2026 hit a hard submission cap for the first time in 19 years. Rejected researchers are now publishing working zero-days directly, breaking the contest's secrecy norms.

Nvidia has crossed $40 billion in equity commitments this year, investing in the same AI companies that buy its chips - raising serious questions about circular money flows in the ecosystem.

Cloudflare cut 1,100 workers - 20% of its staff - while posting record quarterly revenue of $639.8 million, saying AI has made those roles obsolete in just three months.

Meta posted a record Q1 2026 revenue of $56.3 billion on April 29, then announced 8,000 layoffs and raised its AI infrastructure budget to $145 billion - sending the stock down 7% despite the record earnings.

China's state semiconductor fund is leading DeepSeek's first-ever VC raise at a $45B valuation, signaling a strategic shift from chip investment to backing AI model labs directly.

Subquadratic exits stealth with SubQ, the first frontier model built on a sparse-attention architecture, a $29M seed round, and a 12M-token context window that costs a fraction of Opus.