WC2026-Agents: leaderboard
Metric: Multiclass Brier score of the team-A win, draw and team-B win probabilities committed about 24 hours before kickoff for all 104 matches of the 2026 FIFA World Cup (0 to 2), with web search in the assistant consumer interface; lower is better. Source: arxiv.org. Saturation forecast: Around December 2026. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 4.8 | 0.47 |
| 2 | GPT-5.5 (High) | 0.47 |
| 3 | Gemini 3.1 Pro (Preview) | 0.48 |
Interactive version: theaggregate.ai/benchmark?slug=wc2026-agents · How It Works · Data refreshed daily, snapshot 2026-09-29.