
arXiv:2606.18686v1 Announce Type: new Abstract: Forecasting benchmarks for general-purpose AI systems usually inherit the constraints of the real world: outcomes resolve slowly, tail events are rare, and counterfactual questions are difficult to score. We introduce ForecastBench-Sim, a simulated-world forecasting benchmark built on game rollouts from Freeciv, a turn-based strategy game modelled on the Civilization series. Forecasters receive a fixed world report (a structured snapshot of the current game state) and answer questions about hidden future states; the benchmark then continues the s
The proliferation of advanced AI systems necessitates more robust and dynamic evaluation methods that traditional real-world benchmarks struggle to provide.
This benchmark offers a path toward developing and evaluating more capable general-purpose AI systems, capable of complex reasoning and long-term planning in dynamic environments.
The ability to rapidly iterate and score AI forecasting capabilities in a controlled, simulated environment changes how AI research and development can progress.
- · AI research institutions
- · AI developers
- · Game developers (strategy games)
- · AI models reliant on static, real-world data
ForecastBench-Sim provides a scalable environment for training and evaluating AI agents on complex, sequential decision-making tasks.
Improved forecasting AI could accelerate the development of autonomous AI agents capable of operating effectively in uncertain real-world scenarios.
Simulation-based benchmarks might become the primary proving ground for general intelligence, leading to unexpected emergent AI capabilities.
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Read at arXiv cs.AI