Breaking — June 2026

Fable 5 Explained

Anthropic released the strongest publicly available AI model on June 9. Four days later, the US government shut it down. This is the full story.

📅 Updated June 15, 2026 ⏱ 3 in-depth articles 📊 Data-backed analysis
⚠️

As of June 13, 2026: Claude Fable 5 and Mythos 5 have been banned for all users worldwide under a US export control order. Anthropic has complied. This site documents what happened and why it matters.

80.3%
SWE-Bench Pro (Fable 5)
4 Days
Released → Banned
$10/$50
Per Million Tokens (In/Out)
50M
Lines of Code Migrated in 1 Day

📘 What Is Claude Fable 5?

The first Mythos-class model available to the public. Benchmarks, features, safety mechanisms, and what made it so powerful.

Read the full guide →

🚫 Why Was Fable 5 Banned?

The US government's export control order, the alleged jailbreak, Amazon's role, and the fallout — analyzed in depth.

Read the analysis →

📊 Fable 5 vs. GPT-5.5 vs. Gemini 3.1 Pro

Side-by-side benchmark comparison, pricing breakdown, and what each model is actually best at.

See the comparison →

🌍 How the Ban Is Reshaping the AI Industry

From IPO chaos and sovereign AI to enterprise risk — the full ripple effects of the Fable 5 export controls.

Read the impact analysis →