CoEvoX · homebench model-harness pair

arXiv

Model-harness pair for the homebench domain from CoEvo-RSI: When Harnesses Evolve, Which Models Should Follow?

Domain homebench
Model repo root (Qwen3.5-9B + full-parameter SFT)
Harness harness/
Paper arXiv:2610.25078

Reported scores

Smart-home instruction following (HomeBench multi-device, %), evaluated with the harness/ in this repo. VM denotes valid instructions and IM denotes invalid ones.

Split Succ. F1
VM (valid multi-device) 75.51 89.23
IM (invalid multi-device) 84.54 91.80

Layout

.            # model weights (config.json, *.safetensors, tokenizer, ...)
harness/     # harness source for this pair

Inference

Serve the model with vLLM. The tool-call and reasoning parsers are required, because the harness talks to the model through tool calls.

huggingface-cli download nullptr04/CoEvo-RSI-homebench --local-dir ckpts/CoEvo-RSI-homebench

CUDA_VISIBLE_DEVICES=0 vllm serve ckpts/CoEvo-RSI-homebench \
  --host 127.0.0.1 --port 8000 \
  --served-model-name CoEvo-RSI-homebench \
  --max-model-len 65536 \
  --enable-auto-tool-choice --tool-call-parser qwen3_coder \
  --reasoning-parser qwen3

Then, from the CoEvoX repository, run the evaluation with the evolved harness (generated, the same as harness/ here). The script reads the model from POLICY_BASE_URL (default http://127.0.0.1:8000/v1).

bash scripts/run_homebench_full_test.sh generated

Citation

If you use this model or harness, please cite:

@misc{su2026coevorsiharnessesevolvemodels,
      title={CoEvo-RSI: When Harnesses Evolve, Which Models Should Follow?},
      author={Jiaqi Su and Guibin Zhang and Jie-Jing Shao and Cong Pang and Tiankuo Yao and Ivor Tsang and Haiyan Yin and Shuicheng Yan},
      year={2026},
      eprint={2610.25078},
      archivePrefix={arXiv},
      primaryClass={cs.LG},
      url={https://arxiv.org/abs/2610.25078},
}
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