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Anthropic's Best Model Got Banned in 72 Hours

Jun 16, 2026 · 66 min

EP 10Jun 16, 2026 · 66 minStack Check

Anthropic shipped the most powerful AI ever released to the public on June 9. By June 12 the US government made them pull it back from every foreign national on earth, including Anthropic's own engineers. The most capable model on the planet had a 72-hour public life. We unpack who actually won that week, because it was not the people who got the model.

Welcome to Human In the Loop, a weekly podcast where two builders cut through the AI hype cycle. No breathless hype. No doomerism. No surface-level recaps.

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Signal or Noise

The week’s AI headlines, filtered.

  1. SIGNALAnthropic releases Claude Fable 5 and Mythos 5 at half the old frontier price, then calls for a global AI pause five days earlier. We read the contradiction.

  2. SIGNALThe Trump administration places Fable 5 and Mythos 5 under export controls after a company jailbreaks Mythos. Anthropic disables access for all customers worldwide to comply, then disputes the order.

  3. NOISEOpenAI files confidentially for its IPO at a reported $730 to $850 billion, one week after Anthropic filed at $965 billion. Two unprofitable labs, public markets, same week.

  4. SIGNALOpenAI wires its models and Codex into Oracle Universal Credits, deleting the procurement step for every Oracle enterprise customer.

Stack Check

AI agents in production: the three layers you actually need to run an agent unattended.

Claude Agent SDK

The agent loop you do not have to write.

LangGraph plus LangSmith

Orchestration you can audit.

Temporal

Durable execution so a crash is not a restart.

Hot takes

Two opinions, no disclaimers.

Oscar

The Mythos ban is the best thing that ever happened to open weights. If the Commerce Department can switch off your stack on a Friday, you are renting, not building.

Matt

Everyone watched the model and missed the money. OpenAI spent the week removing every reason a CFO can say no.

Sources referenced