Breaking

Anthropic Pulls Fable 5, Sends Engineers to Washington Over Export Rules

June 14, 2026 at 17:42 EDT

Policy & Regulation
Foundation Models
Security

Around June 13, 2026, Anthropic took its frontier AI models Fable 5 and Mythos 5 offline for all users, and by June 14 had flown senior technical staff to Washington D.C. to open direct talks with White House officials. The Trump administration issued an export-control directive barring foreign use on national-security grounds, and the models went dark as Anthropic moved to comply.

June 14, 2026 · Anthropic

U.S. Government Forces a Worldwide Recall of Anthropic's Newest Models

To comply with a Trump administration export-control directive citing national security and jailbreak risks, Anthropic disabled all customer access to Claude Fable 5 and Mythos 5 — and flew senior technical staff to Washington D.C. to seek a swift restoration.

Models pulled worldwide
(Fable 5 · Mythos 5)

~5 days

From release (~Jun 9) to suspension

$10 / $50

Fable 5 API: in / out per 1M tokens (~2× Opus 4.8)

Why it stands out — Benchmark leadership

The recalled models posted top-tier results, well ahead of rivals — making the intervention all the more unusual.

FrontierCode Diamond (% solved)

29.3%

Fable 5 / Mythos 5

13.4%

Opus 4.8

5.7%

GPT-5.5

SWE-Bench Pro (% solved)

80.3%

Fable 5 / Mythos 5

69.2%

Opus 4.8

58.6%

GPT-5.5

Directive issued

Export controls bar foreign-national use over jailbreak risk

→

Full recall

Anthropic disables all customer access

→

D.C. talks

Senior staff fly in, push for swift restoration

Strong early reception

Developers reported substantially improved agentic coding and feasible longer-horizon tasks; Cursor's team cited high implementation ability.

Disruption & doubt

Restrictive safeguards triggered errors on many prompts; the sudden loss disrupted business users. A former Trump adviser called the move "baffling."

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