AI Sector Daily Digest — June 12, 2026

SpaceX prices its IPO at $135 a share today; Bezos's Prometheus raises $12B; OpenAI buys Ona to extend Codex; the White House is about to give CISA access to Anthropic's Mythos; and Nvidia teams up with Abridge to build the first foundation model trained on real doctor visits. Five stories, Friday June 12.

SpaceX set its IPO price at $135 per share Thursday night, valuing the company at $1.77 trillion and targeting a $75 billion raise — the largest public-market debut in history. Shares begin trading Friday on the Nasdaq under the ticker SPCX. The listing absorbs xAI, which merged with SpaceX earlier this year, making the combined entity a rocket-and-AI company competing directly with OpenAI and Anthropic for institutional capital. Retail investors will have access to a larger share of the offering than in a typical IPO. Bankers had warned all three AI mega-companies — OpenAI, Anthropic, and SpaceX/xAI — that the first to list would set sector valuation benchmarks and capture the bulk of available funds.12

Jeff Bezos's AI startup Prometheus raised $12 billion in Series B funding at roughly a $41 billion valuation, emerging from stealth Thursday in Bezos's first joint public interview as co-CEO alongside Vik Bajaj. Investors include JPMorgan, BlackRock, Goldman Sachs, DST Global, and Arch Venture Partners. Bezos described the company as building an "artificial general engineer" — AI that handles the full arc from design to manufacturing for complex physical objects, from bridges to semiconductor chips. A jet engine that takes a team of engineers a decade to design and manufacture is the explicit use case. The company has about 150 employees in San Francisco, London, and Zurich. Bezos said early rollouts are coming but declined to give a timeline, and called an IPO "too early to think about."34

OpenAI announced Thursday it will acquire Ona, a startup that provides secure, pre-configured cloud environments for AI agents. The deal is still subject to customary closing conditions; financial terms were not disclosed. Ona's technology will let Codex — OpenAI's coding assistant — take on longer-running tasks than it can handle today, and will help organizations deploy agents into production. Ona's staff will join the Codex team. Codex now has more than 5 million weekly active users, up from 3 million in April. OpenAI has been buying companies at a clip ahead of its confidential S-1 filing: it acquired Promptfoo (cybersecurity) in March and Torch (health-care tech) in January, after buying Jony Ive's io device startup for over $6 billion in May 2025.5

Three sources told Nextgov/FCW that White House officials have discussed designating CISA as the federal agency that would use Anthropic's Mythos model to scan government networks for publicly exposed vulnerabilities and other security flaws. A White House official told the outlet that CISA access is "imminent." Mythos — Anthropic's most powerful model, designed in part to detect previously unknown cyber vulnerabilities — has been available to a cohort of private-sector companies through Anthropic's Project Glasswing since April. Federal CIOs have been frustrated by the lack of White House guidance on Mythos adoption and have been going to industry partners for details. The proposal connects to Trump's AI executive order signed last week, which called for a binding operational directive on securing government networks; CISA released that directive Wednesday.6

Abridge, the ambient clinical documentation startup valued at $5.3 billion and now live at more than 300 health systems, announced Thursday that it is collaborating with Nvidia to build a purpose-built foundation model for healthcare. The model will be trained on Abridge's de-identified clinical conversation data using the Nvidia Nemotron open model family on Blackwell infrastructure, applying pre-, mid-, and post-training processes to embed clinical reasoning from the ground up. The goal is to improve accuracy, auditability, and customization across the documentation and clinical decision-support workflows Abridge already runs at scale — more than 100 million clinical conversations annually. Abridge also announced Northwestern Medicine is deploying the platform enterprise-wide, and added new partnerships with Eli Lilly (clinical trial screening) and Aetna and Cigna (real-time claims alignment).78