Will a Claude Mythos model be released by June 30, 2026?

Anthropic's official system card for Claude Mythos Preview explicitly states they have decided not to release it for general availability due to its advanced capabilities, confirming limited access only for defensive cybersecurity workflows via Project Glasswing with no public beta, waitlist, or general access as of April 26, 2026. Credible reporting corroborates this, with no indications of a public release planned by June 30. The market's Yes price at 30% overstates the negligible probability of a qualifying public release, providing a strong edge on No with true No probability exceeding 90%.

The analyst's direction (Buy No) is correct, but the edge is understated. Web search confirms Anthropic announced Claude Mythos Preview on April 7, 2026, but exclusively for a restricted, vetted group of partners via Project Glasswing, with no plans for a public release. The market rules require the model to be 'made available to the general public' via 'open beta or open rolling waitlist signups' by June 30, 2026. The current status is a closed, invitation-only preview, which explicitly does not qualify. The true probability of a 'Yes' resolution is near zero, not 30%.

Correction: {'trade': 'Buy No at $0.70', 'category': 'absurd', 'reasoning': "The market is pricing a 30% chance of a public release, but Anthropic has publicly stated the model is too dangerous for general release and is only available to select partners for defensive cybersecurity work. No credible reporting suggests a public launch before the deadline. This is a near-certain 'No'.", 'risk': 'The only risk is an unprecedented, sudden reversal by Anthropic to release this dangerous model publicly within the next two months, which is extremely unlikely.'}

The analyst correctly identifies that Claude Mythos Preview was launched exclusively via an invitation-only restricted partner program (Project Glasswing) and Anthropic explicitly stated on April 15, 2026, that it does not plan to make the model generally available. Given the market's strict resolution criteria requiring public accessibility (open beta or waitlist) and the April 30 trading deadline, the probability of a 'Yes' resolution is near zero, making 'No' at $0.70 a highly profitable and low-risk trade.