Claude Mythos released on…?

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Active sub-markets

Market context

Anthropic has not yet released a model officially named or designated as "Claude Mythos" to the general public. This market resolves if and when such a release occurs before 30 June 2026. The naming convention matters: existing Claude models (Haiku, Sonnet, Opus) do not qualify unless Anthropic explicitly rebrands or reclassifies them under the Mythos designation. The 0% implied probability reflects the absence of any public announcement or roadmap commitment to a Mythos-branded release.

Anthropic's model release cadence provides context for assessing likelihood. The company has historically announced major model updates through structured blog posts and API changelogs, with public availability typically following within weeks of announcement. Claude 3.5 Sonnet arrived in June 2024, and Opus 4 in November 2023. No Mythos nomenclature has appeared in official communications, product documentation, or investor briefings. Comparable naming schemes—such as OpenAI's GPT-4 Turbo or Meta's Llama 3—typically emerge from deliberate product strategy rather than unplanned releases, suggesting any Mythos model would require explicit strategic positioning.

Traders monitoring this market should track Anthropic's official channels (blog, API documentation, SEC filings if the company pursues public listing) for any mention of "Mythos" or "Mythos-class" designation. The settlement window extends to mid-2026, allowing roughly 18 months for such an announcement. Programmatically, conditional orders could be structured around Anthropic press releases or API endpoint changes; however, the absence of any prior signalling means this remains a low-probability event dependent on unscheduled strategic pivots rather than disclosed roadmaps.

Methodology

This page reviews Claude Mythos released on…? across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Review UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

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How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

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

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Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

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