Next Mythos-Class Model released by August 31, 2026?
As of July 29, 2026, the market gives “Next Mythos-Class Model released by August 31, 2026?” a 59% chance of NO.
| YES odds | 42% |
|---|---|
| NO odds | 59% |
| Volume | $17,166 |
| Closes | September 30, 2026 |
Updated July 29, 2026 · Live data from Polymarket
About this market
Anthropic's June 9 release of Claude Fable 5—a safeguarded Mythos-class large language model exceeding Opus capabilities—alongside the limited-access Claude Mythos 5 via Project Glasswing has reset the competitive timeline, with traders now focusing on follow-on releases from OpenAI, Google DeepMind, or xAI. The full Mythos tier's cybersecurity and biological risks prompted Anthropic's guardrails and recent government-directed restrictions, creating uncertainty around broader availability and pressuring rivals to demonstrate comparable agentic performance or safety benchmarks. Key near-term catalysts include developer conferences, potential model previews, and Anthropic's IPO preparations, which incentivize capability demonstrations while highlighting how quickly product timelines and regulatory scrutiny can shift outcomes in this high-stakes AI race.