Will claude-opus-4-6-thinking be the best AI model on August 1, 2026?
As of July 28, 2026, the market gives “Will claude-opus-4-6-thinking be the best AI model on August 1, 2026?” a 99% chance of NO.
| YES odds | 1% |
|---|---|
| NO odds | 99% |
| Volume | $59,392 |
| Closes | August 1, 2026 |
Updated July 28, 2026 · Live data from Polymarket
About this market
Recent trader sentiment on the best AI model for August 1 centers on the claude-opus-4-6-thinking variant, which commands the highest implied probability amid Anthropic’s rapid 2026 release cadence. Its edge stems from strong established results on agentic coding benchmarks and long-horizon workflows, bolstered by the February 2026 launch features such as adaptive thinking and parallel agent teams. Newer Claude Fable 5, released June 9 as a Mythos-class model topping SWE-bench Verified at 95 percent after its July 1 API return following a brief export suspension, trails in market pricing despite superior raw capability scores, likely reflecting uncertainty over resolution criteria, fallback safeguards to Opus 4.8 on restricted topics, and the short window to August 1. Upcoming earnings or benchmark updates could still shift positioning before resolution.