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OS-Copilot
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Model Details
Model Provider
OS-Copilot
Model Tree
Qwen/Qwen3.5-35B-A3B
Input Modalities
Output Modalities
Supported Functionality
| Benchmark | Accuracy | Fail recall |
|---|---|---|
| OSReward | 85.6 | 86.2 |
| OSReward-Hard | 62.7 | 60.1 |
Results use the fixed judging protocol described in the OSReward paper.
Use the canonical prompt and trajectory format from the OSReward repository. A recent Transformers, vLLM, or SGLang version with Qwen3.5 multimodal support is required.
This model is intended for trajectory evaluation, data filtering, and reward-model research. It is not a computer-control policy and may still miss fine-grained visual failures, especially on hard cases.
Apache License 2.0. See LICENSE.
bibtex
@article{sun2026osreward,title={OSReward: Instituting Standardized Evaluation for Cross-Platform Computer-Use Reward Models},author={Sun, Qiushi and others},journal={arXiv preprint arXiv:2607.28609},year={2026}}