Claude Mythos released by…?

Platform comparison

Active sub-markets

Market context

Anthropic confirmed on 26 March 2026 that an internal data leak had exposed "Claude Mythos," a forthcoming model described as a substantial capability jump in coding, reasoning, and cybersecurity applications. The company acknowledged the model exists and is undergoing early access testing, though no public release date has been announced. The market settles affirmatively if Anthropic releases this model or any variant confirmed to be identical to the leaked version by 30 April 2026.

Anthropic's historical release cadence offers limited precedent for rapid deployment following unplanned disclosure. The company typically spaces major model releases by several months, with Claude 3 family variants arriving in staged fashion across early 2024. However, the forced hand of a public leak creates different incentives: delayed release risks prolonged uncertainty and competitive pressure, whilst accelerated availability could demonstrate confidence in the model's readiness and reclaim narrative control. No comparable major AI firm has released a flagship model within five weeks of confirmed leak disclosure.

Traders should monitor Anthropic's official announcements and developer platform updates for any release timeline or early access expansion. The company's next scheduled communications—whether through blog posts, developer documentation, or earnings calls—will signal whether management views the 30 April window as feasible. Competitor moves matter less here than Anthropic's own operational capacity and internal assessment of Mythos's stability for broader deployment.

Methodology

Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Claude Mythos released by…? plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

Is this market available outside the US?

Election Predictions UK 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's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

What does it cost to trade on Election Predictions UK?

Zero. Election Predictions UK 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, Election Predictions UK 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.