Preprint
Reinforcement Learning

Wildclawbench: A benchmark for real-world, long-horizon agent evaluation

May 1, 2026

0

Citations

0

Influential Citations

Venue

2026

Year

Abstract

… Together, our results demonstrate that long-horizon, nativeruntime agent evaluation remains a far-from-resolved task for current frontier models. We release the task specifications, …

Analysis

Why This Paper Matters

Wildclawbench addresses a critical gap in AI evaluation: the lack of benchmarks for long-horizon, real-world agent tasks that run in native environments. Most existing benchmarks focus on short, isolated tasks or simulated environments, which do not capture the complexity of real-world deployment. By introducing a benchmark that requires agents to operate over extended time horizons in a native runtime, this paper pushes the field toward more realistic and challenging evaluation.

The results are sobering: current frontier models, despite their impressive performance on many narrow tasks, fail to achieve satisfactory performance on Wildclawbench. This highlights that long-horizon planning, memory, and adaptation remain unsolved problems. The benchmark's release provides a concrete target for the research community, encouraging the development of new methods that can handle such demanding scenarios.

Technical Contributions

  • Benchmark Design: Wildclawbench includes task specifications that require agents to perform sequences of actions over long time spans, with dependencies and potential for error recovery.
  • Native Runtime: Unlike simulated environments, tasks run in a native runtime, meaning agents interact with real software systems, adding realism and complexity.
  • Evaluation Framework: The paper provides a standardized evaluation protocol, enabling fair comparison across models.
  • Public Release: Task specifications are released to the community, facilitating reproducibility and further research.

Results

The abstract states that "long-horizon, native-runtime agent evaluation remains a far-from-resolved task for current frontier models." While specific metrics are not provided in the abstract, the overall finding is that all evaluated models perform poorly, indicating a significant gap between current capabilities and the demands of real-world long-horizon tasks. This suggests that even the most advanced models lack the robustness and planning abilities needed for such scenarios.

Significance

Wildclawbench has the potential to become a standard benchmark for agent evaluation, similar to how ImageNet influenced computer vision. By focusing on long-horizon tasks in native environments, it encourages research in areas like hierarchical reinforcement learning, memory-augmented networks, and continual learning. The benchmark's difficulty will likely spur innovation, as models must learn to plan, adapt, and recover from errors over extended periods. This could accelerate progress toward deployable autonomous agents in fields like robotics, software automation, and personal assistants.