Claude Fable 5 restored for US customers by…?

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Active sub-markets

Market context

On 12 June 2026, the US government issued an export control directive citing national security concerns, forcing Anthropic to abruptly disable access to its most advanced models, Claude Fable 5 and Claude Mythos 5, for all customers globally. The company complied immediately, removing the models for every user, including its own foreign national employees, while confirming that other models like Claude Opus 4.8 remain unaffected [2][6].

Historical precedents in technology regulation suggest that once a government invokes national security authorities to block a frontier model, restoration is exceptionally rare and often permanent. Similar to how the Oscars use preferential ballots to ensure consensus but rarely reverse a final decision, or how Eurovision’s 50/50 jury and televote split creates a definitive outcome that is not reopened, export controls function as a binary, irreversible barrier. The current 0% market probability reflects this cultural narrative momentum where regulatory bans on "excessively powerful" systems are treated as final judgments rather than temporary pauses [3][9].

Traders should monitor Anthropic’s official guidance and announcements from the US Bureau of Industry and Security (BIS) for any shifts in the directive’s scope, as well as potential legal challenges or diplomatic negotiations that could alter the ban. Recent reporting indicates the US ordered Anthropic to halt foreign access to its most advanced AI models, a move that has sent concern through the development community, yet the company stated it is working to restore access as soon as possible, though no timeline is confirmed [5][7]. Any update suggesting a reclassification of the model’s capabilities or a waiver for specific user groups would be the primary catalyst for a probability shift, though current dependencies remain heavily weighted against reversal.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Claude Fable 5 restored for US customers by…? on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

What does it cost to trade on PolyGram?

Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.