The lenses
Scored on its own merits — not rolled up from the finds we publish.
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Overall = breadth + depth + substance + ½·novelty + freshness (a small boost that halves each week)
The switch flipped back
Three weeks after Washington used export controls to darken two of Anthropic's best models worldwide, the same government cleared them to return — once Anthropic rebuilt the guardrail its own testers could sign off on.
Mythos 5, pulled in three days
Anthropic shipped its most capable public model on June 9; on June 12 a US export-control order forced it offline worldwide — the first time a government directive has pulled a live frontier model off the market.
The two-day secrecy half-life
Claude Fable 5's hidden 120,000-character rulebook was sitting in a public GitHub archive about two days after the model shipped — and it has company from 30 other coding agents.
Zero, with an asterisk
Anthropic's 319-page Fable 5 safety document quietly disclosed that the lab now keeps prompts for 30 days even for customers who signed zero-data-retention contracts.
The subscription that got revoked
On July 7 Anthropic pulls its Claude Fable 5 model out of flat-rate subscriptions and back onto pay-per-token billing, calling the move temporary and blaming capacity.
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