🍭 Mythos Is Back, On Washington's Terms 🛡️

Good morning. Washington spent two weeks deciding who deserves good cybersecurity: about a hundred companies, and you're probably not one of them.

Let’s dive in 👇

🍭 What’s Cookin’:

• Anthropic got Mythos back, sort of, for a few dozen friends

• xAI sued Colorado's AI law out of existence (for now)

• The companies building the job-killing AI just launched a retraining fund (cute)

Anthropic
🛡️ Mythos Returns On A Leash

The Bite:

Commerce Secretary Howard Lutnick sent a letter to Anthropic co-founder Tom Brown authorizing a partial restoration of Claude Mythos 5.

The model can now be redeployed to roughly 100 US organizations that operate and defend critical infrastructure.

Approved entities include Project Glasswing partners, Fortune 500 firms, government agencies, and critical infrastructure operators across energy, finance, healthcare, and telecommunications.

Foreign-national employees of approved organizations can access Mythos 5 without individual export licenses.

Claude Fable 5, the public-facing model suspended on June 12, remains offline for all general users worldwide.

Snacks:

• The original June 12 directive shut down both models for all customers within hours of receipt

• Lutnick's letter cited "appropriate safeguards" now in place for trusted partners

• Anthropic's updated privacy policy with government-issued ID verification takes effect July 8, likely the mechanism for broader US restoration

• The 60-day executive order deadline for NSA, Treasury, and CISA to complete a covered frontier model framework lands August 1

• OpenAI's Sam Altman said governments should not decide which private organizations get access to frontier AI

• API calls to claude-fable-5 still return errors as of June 30

Why it Bites:

The model came back.
But the access model that came back with it is the real story.

Two weeks ago, Mythos 5 was available to every Glasswing partner and enterprise customer Anthropic had vetted itself. Now it's available to a list the Commerce Department wrote.

Anthropic didn't choose the hundred. Washington did.

And that’s the whole point.

The June 2 executive order asked labs to voluntarily give models to the government for 30 days before release.

OpenAI followed it with GPT-5.6 Sol. But Anthropic didn't volunteer anything.

Its model was seized, held for two weeks, and returned with conditions attached.
So the voluntary framework now has a mandatory cousin.

Every frontier lab watching this is doing the same math.

If you ship a model that scares a regulator, the government doesn't need legislation.
It has export controls, and export controls move faster than Congress.

Well, defenders got their model back, but Fable 5 is still gone for everyone else.

Nobody's said when. Nobody's said why not.

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_{Everything Else}
🧠 You Need to Know

🛡️ US Clears Anthropic's Mythos 5 For Critical Infrastructure Use
→ Commerce Secretary Lutnick authorized Anthropic to redeploy Mythos 5 to roughly 100 vetted US organizations that defend critical infrastructure, while Fable 5 remains offline for all general users.

⚙️ OpenAI Retires GPT-4.5 From ChatGPT
→ GPT-4.5 exited the ChatGPT consumer interface on June 27 after a 30-day sunset period, with existing conversations migrating to GPT-5.5 and marking the end of the GPT-4 generation in OpenAI's flagship product.

🏛️ AI Firms Launch RAISE US With $500M+ For Worker Retraining
→ Former Commerce Secretary Raimondo and ex-Governor Holcomb launched a $1B-target nonprofit backed by OpenAI, Anthropic, Microsoft, and Amazon, with over $500M already secured and pilot programs.

📈 Alphabet Joins Dow Jones Industrial Average
→ S&P Dow Jones Indices added Alphabet to the DJIA on June 29 replacing Verizon, capping a turbulent month in which the company lost roughly $270B in market cap after five senior DeepMind researchers left for rivals.

⚖️ xAI Wins Federal Stay On Colorado AI Act Enforcement
→ A federal magistrate granted a joint motion on June 28 to stay enforcement of Colorado's AI bias law after xAI sued on First Amendment and commerce clause grounds, days before the original June 30 effective date.