The Week · Jun 29 to Jul 5

A quieter day after yesterday's Sonnet 5 / export-control fireworks.

33 stories across 6 briefings. The headline is from Thu, the busiest day.

Day by day

All weeks →

Mon 29
Baseten raises $1.5B Series F at up to a $13B valuation — inference infra is now the hot money
State AI laws diverge: Arizona vetoes all 3 AI bills; Rhode Island signs a therapy-chatbot ban; California sends an "AI-can't-be-a-teacher" bill to Newsom
Microsoft Agent 365 adds agent-governance controls (context mapping, policy controls, runtime blocking) via Intune + Defender in public preview
Tue 30
Cursor Teams pricing re-prices on renewal starting tomorrow: split Composer/Auto vs third-party-API usage pools + a new Premium seat
GitHub Copilot's first full usage-based billing cycle closes today; power users report 10–50× bill jumps on agentic sessions
Anthropic "The Briefing: AI for Science" livestream today (10am PT), spotlighting Claude in life sciences
Wed 1
Anthropic launches Claude Sonnet 5 — most agentic Sonnet yet, ~Opus-4.8 quality at a fraction of the cost ($2/$10 per M intro through Aug 31)
U.S. lifts export controls: Fable 5 restored globally today, Mythos 5 back for trusted partners — ending the 18-day pause
SpaceX's $150M/month Colossus 2 compute lease to open-source lab Reflection AI begins today
Thu 2
OpenAI fine-tuning API hits its next wind-down cutoff today: orgs inactive 60+ days can no longer create new fine-tuning jobs; all self-serve ends Jan 6, 2027
xAI launches no-code Voice Agent Builder — build a production voice agent in ~2 min, $0.05/min, 80+ voices + cloning
Meituan open-sources LongCat-2.0: 1.6T-param MoE coding model under MIT, trained end-to-end on domestic Chinese chips
Fri 3
Microsoft launches the $2.5B "Frontier Company" — ~6,000 forward-deployed engineers embedded inside customers, days after Amazon's $1B FDE unit
Together AI raises $800M Series C at $8.3B valuation (Aramco Ventures-led) as open-model inference demand surges
June jobs: AI is the #1 cited layoff reason for a 4th straight month (14,029 cuts in June, 101,743 YTD); BLS payrolls rose just +57k
Sun 5
Anthropic's Claude Fable 5 leaves subscription inclusion after July 7 — continues only via metered usage credits at $10/$50 per M tokens (in/out)
Tesla caps employee AI spend at $200/week starting July 6 (xAI/Grok betas exempt); overage needs manager sign-off
UN Global Dialogue on AI Governance convenes in Geneva July 6–7 — all 193 member states, first session of the new standing forum

Busiest tags

Signal →

Policy 7 stories · -1 vs last week
Agents 6 stories · +5 vs last week
Pricing 6 stories · +2 vs last week
Trending 5 stories · -7 vs last week
Infra 4 stories · same as last week