Forecast-Dojo (Research Tools + Memory): leaderboard

Forecast-Dojo (2026) replays 230 resolved Polymarket events as dated forecast steps; here the research agent also carries its own belief notebook from one forecast date to the next. Multiclass Brier score on a 0 to 2 scale over four rollouts, with unusable forecasts counted as uniform; lower is better.

Metric: Multiclass Brier score (0-2 scale, lower is better; mean over 797 scheduled forecast dates of 230 held-out Polymarket events resolved March-June 2026, four rollouts each; unusable forecasts scored as a uniform distribution; the same research tools plus the agent's own belief notebook carried from the previous forecast date). Source: arxiv.org. Saturation forecast: Around 2029. 12 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.6 Sol (Max)0.55#29 (GPT-5.6 Sol)
2GPT-5.5 (xHigh)0.57#48 (GPT-5.5)
3GPT-5.4 (xHigh)0.58#121 (GPT-5.4)
4Claude Opus 4.6 (Max)0.6#100 (Claude Opus 4.6)
5Claude Opus 4.8 (Max)0.61#56 (Claude Opus 4.8)
6MiniMax-M2.50.64#590
7Qwen 3.5 397B A17B0.64#242
8Kimi K2.5 (High)0.66#252 (Kimi K2.5)
9DeepSeek V3.2 (High)0.67#403 (DeepSeek V3.2)
10GPT-OSS-120B (High)0.7#699 (GPT-OSS-120B)

No result here: #1 Claude Fable 5.2, #2 Gemini 4 Carbon, #5 Claude Opus 5.5.

Interactive version: theaggregate.ai/benchmark?slug=forecast-dojo-research-tools-plus-memory · How It Works · Data refreshed daily, snapshot 2026-11-12.