| name | swe-rm-verifier |
| title | SWE-RM: Execution-Free Feedback for SWE Agents |
| version | 0.0.2 |
| engine | skillxiv-v0.0.2-claude-opus-4.6 |
| license | MIT |
| url | https://arxiv.org/abs/2512.21919 |
| keywords | ["reward-model","software-engineering","reinforcement-learning","verification"] |
| description | Improve SWE agent RL via execution-free reward models optimized for three metrics beyond TTS: discriminative ability (AUC) and calibration (ECE). Shows TTS alone insufficient—models must distinguish correct/incorrect trajectories and align confidence with actual correctness—improving SWE-Bench Verified by 7-10 points with 30B MoE verifier. |
Overview
SWE-RM shows that reward model evaluation requires three complementary metrics.
Core Technique
Three-Metric Evaluation:
tts_score = rank_best_solution_first(predictions)
auc_score = compute_auc(correct_vs_incorrect)
ece_score = expected_calibration_error(confidence, accuracy)
When to Use
Use when: SWE agent training, RL reward modeling, importance of calibration.
References
- Discriminative ability vs ranking metrics
- Calibration error measurement
- Multi-objective reward model design