This Week in AI: Claude Goes Dark, SpaceX Buys Cursor for $60B

# This Week in AI: June 12–18, 2026

Six days. That's how long two of Anthropic's most capable models have been offline because of a single letter from the Commerce Department. In the same six days, SpaceX bought a code editor for $60 billion, OpenAI's real financials leaked and they're worse than anyone guessed, and GitHub got so overloaded by AI agents that Microsoft had to borrow servers from Amazon to keep it online.

Buckle up. Here's the week.

The 60-second version

• 🔌 **A government order took Claude Fable 5 and Mythos 5 offline on June 12** — and they're still down, six days later.
• 💰 **SpaceX bought Cursor for $60 billion**, four days after its own record IPO, instantly becoming the 4th most valuable company in the US.
• 📉 **OpenAI's leaked 2025 financials**: $13B in revenue, $34B in costs, a $38.5B net loss.
• 🛠️ **GitHub nearly fell over.** Microsoft is now routing GitHub traffic through AWS — its biggest cloud rival — because AI agents are generating more load than Azure can absorb.
• ⏰ **Gemini CLI dies today**, June 18. If your scripts call `gemini`, go check them before your CI breaks.

Let's get into it.

• * *

A government order took two Claude models offline, and the fight over why is just starting

On June 12, at 5:21 PM Eastern, Anthropic [received a letter](https://www.anthropic.com/news/fable-mythos-access) from Commerce Secretary Howard Lutnick. It cited national security authorities and ordered an immediate halt to all access — by any foreign national, anywhere, including Anthropic's own foreign-born employees — to Claude Fable 5 and Claude Mythos 5. Both models had launched just three days earlier.

Anthropic couldn't selectively block by nationality in real time, so it shut both models down for everyone. Every other Claude model, including Opus 4.8, stayed live.

What actually triggered this? Per [Anthropic's own statement](https://www.anthropic.com/news/fable-mythos-access), the government believes it learned of a way to jailbreak Fable 5 — a technique that could unlock some of the cybersecurity capabilities baked into the underlying Mythos model. Anthropic pushed back hard on the framing: it says the jailbreak is narrow, not universal, ties to a handful of already-known, minor vulnerabilities, and that other public models — it specifically named OpenAI's GPT-5.5 — are exposed to the exact same issue without facing any export controls at all.

> "We disagree that the finding of a narrow potential jailbreak should be cause for recalling a commercial model deployed to hundreds of millions of people." — Anthropic

[Fortune reported](https://fortune.com/2026/06/13/anthropic-disables-fable-mythos-export-controls-national-security-threat/) that the order arrived the same week Anthropic confidentially filed for an IPO off a $965 billion valuation — timing that isn't doing the company's public-listing narrative any favors. It's also not the administration's first run-in with Anthropic this year: the Pent