Sifted ● Covered by 2 sources
Yann LeCun, former Meta chief scientist, has joined 224 Ventures, a new AI-focused venture firm founded with Oriol Vinyals and Shaun Johnson. The fund manages $100 million and will deploy $1 million to $5 million per investment from a LP base of 244 AI operators. This move comes after LeCun withdrew from another fund, Extelligence Invest, citing undisclosed exclusivity conflicts.
The daily briefing
TLDRocket reads all relevant sources, removes duplicate coverage, and summarises the day in two minutes. Follow companies and topics for alerts, or get the briefing in Slack. Free, no spam, unsubscribe anytime.
TLDRocket
22 September 2026
SpaceX’s latest AI move centers on something more practical than flash: long-horizon processing wrapped around Grok 4.7, plus a tighter set of safety safeguards. The company says it evaluated the model on multiple benchmarks and then focused on what matters for real tasks—keeping track of intent over longer sequences, where most assistants start to forget why you asked in the first place. The cost numbers are the tell. SpaceX reports Grok 4.7 clearing CursorBench 4.0 tasks at an average $4.69 per task, which frames “capability” in the one unit finance teams can actually compare.
Read the full briefing →