Anthropic has released Claude 4, Claude 3 family, and earlier versions on a sustained development schedule over the past years. The prediction market examines whether a formal Claude 5 release will be announced by April 30, 2026. The market resolution depends on Anthropic's official public announcement or documentation of Claude 5 becoming available to users. At 1% YES odds, traders assess a low probability that Anthropic will debut a new major model version—Claude 5—within the next 13 days from today. This tight timeline reflects the typical gap between model completion and production launch, as well as Anthropic's historical release cadence. The extremely low odds suggest market participants expect either continued refinement of existing Claude 4 versions or a longer wait before the next major numbered release. Recent trading activity on this market shows consistent selling pressure on YES, indicating sustained skepticism about an imminent Claude 5 announcement. The resolution hinges on Anthropic's official communication—press releases, API documentation updates, or product announcements—confirming Claude 5 exists and is available to users by the April 30 deadline.