Visual Preference Optimization with Rubric Rewards
On the map: LLM alignment / RLHF / preference optimisation → Diffusion and multimodal model alignment
Abstract (arXiv)
The effectiveness of Direct Preference Optimization (DPO) depends on preference data that reflect the quality differences that matter in multimodal tasks. Existing pipelines often rely on off-policy perturbations or coarse outcome-based signals, which are not well suited to fine-grained visual reasoning. We propose rDPO, a preference optimization framework based on instance-specific rubrics. For each image-instruction pair, we create a checklist-style rubric of essential and additional criteria to score responses from any possible policies. The instruction-rubric pool is built offline and reused during the construction of on-policy data. On public reward modeling benchmarks, rubric-based prompting massively improves a 30B-A3B judge and brings it close to GPT-5.4. On public downstream benchmarks, rubric-based filtering raises the macro average to 82.69, whereas outcome-based filtering drops it to 75.82 from 81.14. When evaluating scalability on a comprehensive benchmark, rDPO achieves 61.01, markedly outperforming the style-constrained baseline (52.36) and surpassing the 59.48 base model. Together, these results show that visual preference optimization benefits from combining on-policy data construction with instance-specific criterion-level feedback.
Key facts. Cited by 5 papers in the map (data through 7 Oct 2026). Placed in Diffusion and multimodal model alignment, one of 10 directions in LLM alignment / RLHF / preference optimisation. Builds on 64 of its 71 references that are in the map. First posted on arXiv 14 Apr 2026.
Builds on
64 of 71 references.
Closest ancestors · 25
Same direction, newest first
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- 2025InternLM-XComposer2.5-Reward: A Simple Yet Effective Multi-Modal Reward Model21 Jan
- 2025Mitigating Hallucinations in Large Vision-Language Models via DPO: On-Policy Data Hold the Key16 Jan
- 2024VL-RewardBench: A Challenging Benchmark for Vision-Language Generative Reward Models26 Nov
13 more
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- 2024Strengthening Multimodal Large Language Model with Bootstrapped Preference Optimization13 Mar
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- 2023RLHF-V: Towards Trustworthy MLLMs via Behavior Alignment from Fine-grained Correctional Human Feedback1 Dec
- 2023Aligning Large Multimodal Models with Factually Augmented RLHF25 Sep
Other references · 39
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- 2025InternVL3.5: Advancing Open-Source Multimodal Models in Versatility, Reasoning, and Efficiencycited by 1,419
- 2016A Diagram Is Worth A Dozen Imagescited by 793
- 2025HealthBench: Evaluating Large Language Models Towards Improved Human Healthcited by 385
- 2024MLLM-as-a-Judge: Assessing Multimodal LLM-as-a-Judge with Vision-Language Benchmarkcited by 362
- 2025Rubrics as Rewards: Reinforcement Learning Beyond Verifiable Domainscited by 328
- 2025PaperBench: Evaluating AI's Ability to Replicate AI Researchcited by 286
- 2024Smaug: Fixing Failure Modes of Preference Optimisation with DPO-Positivecited by 239
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- 2024M3CoT: A Novel Benchmark for Multi-Domain Multi-step Multi-modal Chain-of-Thoughtcited by 120
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- 2024Enhancing Large Vision Language Models with Self-Training on Image Comprehensioncited by 70
- 2025Kwai Keye-VL 1.5 Technical Reportcited by 68
- 2025Breaking the Exploration Bottleneck: Rubric-Scaffolded Reinforcement Learning for General LLM Reasoningcited by 56
- 2024Critic-V: VLM Critics Help Catch VLM Errors in Multimodal Reasoningcited by 50
- 2026Alternating Reinforcement Learning for Rubric-Based Reward Modeling in Non-Verifiable LLM Post-Trainingcited by 45
- 2024Probing Visual Language Priors in VLMscited by 44
- 2026RubricHub: A Comprehensive and Highly Discriminative Rubric Dataset via Automated Coarse-to-Fine Generationcited by 42
- 2025Online Rubrics Elicitation from Pairwise Comparisonscited by 41
- 2025Judge Anything: MLLM as a Judge Across Any Modalitycited by 33
- 2024TextHawk2: A Large Vision-Language Model Excels in Bilingual OCR and Grounding with 16x Fewer Tokenscited by 32
- 2025PRBench: Large-Scale Expert Rubrics for Evaluating High-Stakes Professional Reasoningcited by 29
- 2024VisionArena: 230K Real World User-VLM Conversations with Preference Labelscited by 22
- 2024CARMO: Dynamic Criteria Generation for Context-Aware Reward Modellingcited by 21
- 2025ProfBench: Multi-Domain Rubrics requiring Professional Knowledge to Answer and Judgecited by 21
- 2025Multi-Crit: Benchmarking Multimodal Judges on Pluralistic Criteria-Followingcited by 14
- 2024Efficient Self-Improvement in Multimodal Large Language Models: A Model-Level Judge-Free Approachcited by 9
- 2025Optimizing LVLMs with On-Policy Data for Effective Hallucination Mitigationcited by 4
Built on by
Citing papers per year: 2026: 5.
5 papers.
- 2026From Holistic Evaluation to Structured Criteria: Rubrics Across the Evolving LLM Landscapecited by 4
- 2026Reinforcement Learning with Robust Rubric Rewardscited by 2
- 2026Reinforcement Learning with Evolving Rubrics as Rewards for Audio Reasoningcited by 1
- 2026A Survey on Rubric-Guided Reinforcement Learning for Language Modelscited by 1
- 2026SciForma: Structure-Faithful Generation of Scientific Diagramscited by 0
- 2026A Survey on Rubric-Guided Reinforcement Learning for Language Models27 Aug 2026
- 2026Reinforcement Learning with Evolving Rubrics as Rewards for Audio Reasoning3 Aug 2026
- 2026SciForma: Structure-Faithful Generation of Scientific Diagrams20 Jul 2026
- 2026From Holistic Evaluation to Structured Criteria: Rubrics Across the Evolving LLM Landscape7 Jun 2026
- 2026Reinforcement Learning with Robust Rubric Rewards28 May 2026
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- 2025Test-Time Reasoning Through Visual Human Preferences with VLMs and Soft Rewards
- 2026ViPO: Visual Preference Optimization at Scale
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