RankZephyr: Effective and Robust Zero-Shot Listwise Reranking is a Breeze!
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Cited by 41 in Retrieval-augmented generation, but placed by its own abstract, which didn’t fit.
Abstract (arXiv)
In information retrieval, proprietary large language models (LLMs) such as GPT-4 and open-source counterparts such as LLaMA and Vicuna have played a vital role in reranking. However, the gap between open-source and closed models persists, with reliance on proprietary, non-transparent models constraining reproducibility. Addressing this gap, we introduce RankZephyr, a state-of-the-art, open-source LLM for listwise zero-shot reranking. RankZephyr not only bridges the effectiveness gap with GPT-4 but in some cases surpasses the proprietary model. Our comprehensive evaluations across several datasets (TREC Deep Learning Tracks; NEWS and COVID from BEIR) showcase this ability. RankZephyr benefits from strategic training choices and is resilient against variations in initial document ordering and the number of documents reranked. Additionally, our model outperforms GPT-4 on the NovelEval test set, comprising queries and passages past its training period, which addresses concerns about data contamination. To foster further research in this rapidly evolving field, we provide all code necessary to reproduce our results at https://github.com/castorini/rank_llm.
Key facts. Cited by 151 papers in the map (data through 7 Oct 2026). First posted on arXiv 5 Dec 2023.
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Citing papers per year: 2023: 1; 2024: 35; 2025: 55; 2026: 60.
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- 2024Generative Representational Instruction Tuningcited by 227
- 2025Rank1: Test-Time Compute for Reranking in Information Retrievalcited by 68
- 2024FollowIR: Evaluating and Teaching Information Retrieval Models to Follow Instructionscited by 67
- 2024LitLLM: A Toolkit for Scientific Literature Reviewcited by 61
- 2025Rank-R1: Enhancing Reasoning in LLM-based Document Rerankers via Reinforcement Learningcited by 58
- 2024TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategycited by 47
- 2024Attention in Large Language Models Yields Efficient Zero-Shot Re-Rankerscited by 42
- 2024CoRNStack: High-Quality Contrastive Data for Better Code Retrieval and Rerankingcited by 37
- 2024JudgeRank: Leveraging Large Language Models for Reasoning-Intensive Rerankingcited by 34
- 2024RAR-b: Reasoning as Retrieval Benchmarkcited by 33
- 2024Ragnar"ok: A Reusable RAG Framework and Baselines for TREC 2024 Retrieval-Augmented Generation Trackcited by 31
- 2025Query-Focused Retrieval Heads Improve Long-Context Reasoning and Re-rankingcited by 30
38 more
- 2024Semantic Operators: A Declarative Model for Rich, AI-based Data Processingcited by 29
- 2024APEER: Automatic Prompt Engineering Enhances Large Language Model Rerankingcited by 28
- 2024Initial Nugget Evaluation Results for the TREC 2024 RAG Track with the AutoNuggetizer Frameworkcited by 28
- 2025Rank-K: Test-Time Reasoning for Listwise Rerankingcited by 28
- 2025REARANK: Reasoning Re-ranking Agent via Reinforcement Learningcited by 24
- 2024Leveraging Passage Embeddings for Efficient Listwise Reranking with Large Language Modelscited by 20
- 2025SweRank: Software Issue Localization with Code Rankingcited by 20
- 2024Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking dialogscited by 18
- 2024Query Performance Prediction using Relevance Judgments Generated by Large Language Modelscited by 18
- 2024Characterizing Prompt Compression Methods for Long Context Inferencecited by 18
- 2024Can We Use Large Language Models to Fill Relevance Judgment Holes?cited by 17
- 2025Guiding Retrieval using LLM-based Listwise Rankerscited by 16
- 2025Rankify: A Comprehensive Python Toolkit for Retrieval, Re-Ranking, and Retrieval-Augmented Generationcited by 13
- 2025Shifting from Ranking to Set Selection for Retrieval Augmented Generationcited by 13
- 2024LitLLMs, LLMs for Literature Review: Are we there yet?cited by 12
- 2025LLM4Ranking: An Easy-to-use Framework of Utilizing Large Language Models for Document Rerankingcited by 12
- 2025ThinkQE: Query Expansion via an Evolving Thinking Processcited by 11
- 2025DeAR: Dual-Stage Document Reranking with Reasoning Agents via LLM Distillationcited by 11
- 2025CoRanking: Collaborative Ranking with Small and Large Ranking Agentscited by 10
- 2024ReasoningRank: Teaching Student Models to Rank through Reasoning-Based Knowledge Distillationcited by 9
- 2025Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Modelscited by 9
- 2025CLaRa: Bridging Retrieval and Generation with Continuous Latent Reasoningcited by 9
- 2023Zero-Shot Cross-Lingual Reranking with Large Language Models for Low-Resource Languagescited by 8
- 2024rerankers: A Lightweight Python Library to Unify Ranking Methodscited by 8
- 2024Drowning in Documents: Consequences of Scaling Reranker Inferencecited by 8
- 2025HyperRAG: Enhancing Quality-Efficiency Tradeoffs in Retrieval-Augmented Generation with Reranker KV-Cache Reusecited by 8
- 2025Batched Self-Consistency Improves LLM Relevance Assessment and Rankingcited by 8
- 2025AcuRank: Uncertainty-Aware Adaptive Computation for Listwise Rerankingcited by 8
- 2025Scalable In-context Ranking with Generative Modelscited by 8
- 2024ReSLLM: Large Language Models are Strong Resource Selectors for Federated Searchcited by 7
- 2024MCRanker: Generating Diverse Criteria On-the-Fly to Improve Point-wise LLM Rankerscited by 7
- 2024Self-Calibrated Listwise Reranking with Large Language Modelscited by 7
- 2025Retro*: Optimizing LLMs for Reasoning-Intensive Document Retrievalcited by 7
- 2025Rethinking Reasoning in Document Ranking: Why Chain-of-Thought Falls Shortcited by 7
- 2025PRISM: Agentic Retrieval with LLMs for Multi-Hop Question Answeringcited by 7
- 2024Squid: Long Context as a New Modality for Energy-Efficient On-Device Language Modelscited by 6
- 2024HyQE: Ranking Contexts with Hypothetical Query Embeddingscited by 6
- 2024RRADistill: Distilling LLMs' Passage Ranking Ability for Long-Tail Queries Document Re-Ranking on a Search Enginecited by 6
50 most cited of 151 All 151 (JSON)
- 2026Project Greenhouse: Progress Toward Fully Open and Sovereign Agentic Search8 Oct 2026
- 2026Component-Aware Feedback for Self-Evolving Programs29 Sep 2026
- 2026AdaTutoRank: Learning to Rerank Document Sets via Adaptive Tutoring Optimization for RAG and Deep Research26 Sep 2026
- 2026QReason: Query-Focused Decoupled Chain-of-Thought for Efficient Passage Reranking25 Sep 2026
- 2026Per-Query Gating of LLM Rerankers for Multi-Hop Retrieval19 Sep 2026
- 2026On-Policy Distillation Meets Off-Policy GRPO: Training Compact Instruction-Following Rerankers1 Sep 2026
- 2026SPD: Single Pass Decoding for Generative Reranking1 Sep 2026
- 2026Local-to-Global Sentence-Level Graph Reranking for Scientific Synthesis31 Aug 2026
- 2026Equal Ranking Quality, Different Decisions: Measuring and Reducing Order Dependence in LLM Scorers27 Aug 2026
- 2026Neighborhood-Aware Dual Biomedical Entity Linking4 Aug 2026
- 2026Training Documents Reranker with Search Rubrics for Deep Research Agent4 Aug 2026
- 2026Select-And-Extract: A Lightweight Plugin for Retrieval-Augmented Generation1 Aug 2026
38 more
- 2026TabRank: Chain-of-Thought Distillation for Table Re-Rankers28 Jul 2026
- 2026Ranked by Position: Order Sensitivity as an Exploitable Attack Surface in LLM Listwise Recommenders26 Jul 2026
- 2026Beyond Relevance-Centric Retrieval: Rubric-Oriented Document Set Selection and Ranking22 Jul 2026
- 2026InfluMatch: Frontier-Quality KOL Search at 4B-Model Cost7 Jul 2026
- 2026Bringing Agentic Search to Earth Observation Data Discovery2 Jul 2026
- 20265ting at SemEval-2026 Task 8: Strong End-to-End Multi-Turn RAG via LLM-Based Reranking and Faithfulness Control27 Jun 2026
- 2026Entity Labels Are Not Entity Signals: A Framework for Observable Relevance in Document Re-Ranking14 Jun 2026
- 2026ADORE: Iterative Query Expansion with Retrieval-Grounded Relevance Feedback11 Jun 2026
- 2026PRISMR: Overcoming Parse Collapse in Multimodal Listwise Ranking via Parameterized Representation Internalization11 Jun 2026
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- 2026Quotient DAGs for Off-Policy Evaluation:Forward-Flow Importance Sampling and Exact Slate Propensities28 May 2026
- 2026SCI-Defense: Defending Manipulation Attacks from Generative Engine Optimization21 May 2026
- 2026F-GRPO: Factorized Group-Relative Policy Optimization for Unified Candidate Generation and Ranking13 May 2026
- 2026State-Centric Decision Process12 May 2026
- 2026Very Efficient Listwise Multimodal Reranking for Long Documents12 May 2026
- 2026ConFit v3: Improving Resume-Job Matching with LLM-based Re-Ranking10 May 2026
- 2026The Extrapolation Cliff in On-Policy Distillation of Near-Deterministic Structured Outputs9 May 2026
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- 2026Verbal-R3: Verbal Reranker as the Missing Bridge between Retrieval and Reasoning2 May 2026
- 2026FollowTable: A Benchmark for Instruction-Following Table Retrieval1 May 2026
- 2026Prism-Reranker: Beyond Relevance Scoring -- Jointly Producing Contributions and Evidence for Agentic Retrieval26 Apr 2026
- 2026ResRank: Unifying Retrieval and Listwise Reranking via End-to-End Joint Training with Residual Passage Compression24 Apr 2026
- 2026A Reproducibility Study of Metacognitive Retrieval-Augmented Generation21 Apr 2026
- 2026Mira-Embeddings-V1: Domain-Adapted Semantic Reranking for Recruitment via LLM-Synthesized Data20 Apr 2026
- 2026CoSearch: Joint Training of Reasoning and Document Ranking via Reinforcement Learning for Agentic Search19 Apr 2026
- 2026Rethinking the Necessity of Adaptive Retrieval-Augmented Generation through the Lens of Adaptive Listwise Ranking17 Apr 2026
- 2026FRESCO: Benchmarking and Optimizing Re-rankers for Evolving Semantic Conflict in Retrieval-Augmented Generation14 Apr 2026
- 2026Retrieve Only Relevant Tables Whether Few or Many: Adaptive Table Retrieval Method12 Apr 2026
- 2026BracketRank: Large Language Model Document Ranking via Reasoning-based Competitive Elimination10 Apr 2026
- 2026Optimizing RAG Rerankers with LLM Feedback via Reinforcement Learning2 Apr 2026
- 2026ReBOL: Retrieval via Bayesian Optimization with Batched LLM Relevance Observations and Query Reformulation20 Mar 2026
- 2026Does Reasoning Make Search More Fair? Comparing Fairness in Reasoning and Non-Reasoning Rerankers11 Mar 2026
- 2026Scaling Search Relevance: Augmenting App Store Ranking with LLM-Generated Judgments26 Feb 2026
- 2026Offline Reasoning for Efficient Recommendation: LLM-Empowered Persona-Profiled Item Indexing25 Feb 2026
- 2026DiffuRank: Effective Document Reranking with Diffusion Language Models13 Feb 2026
- 2026Query-focused and Memory-aware Reranker for Long Context Processing12 Feb 2026
- 2026BlitzRank: Principled Zero-shot Ranking Agents with Tournament Graphs5 Feb 2026
50 newest of 151 All 151 (JSON)
- 2024Attention in Large Language Models Yields Efficient Zero-Shot Re-Rankerscited by 42
- 2024Ragnar"ok: A Reusable RAG Framework and Baselines for TREC 2024 Retrieval-Augmented Generation Trackcited by 31
- 2024Initial Nugget Evaluation Results for the TREC 2024 RAG Track with the AutoNuggetizer Frameworkcited by 28
- 2025Rankify: A Comprehensive Python Toolkit for Retrieval, Re-Ranking, and Retrieval-Augmented Generationcited by 13
- 2025Shifting from Ranking to Set Selection for Retrieval Augmented Generationcited by 13
- 2025Direct Retrieval-augmented Optimization: Synergizing Knowledge Selection and Language Modelscited by 9
- 2025HyperRAG: Enhancing Quality-Efficiency Tradeoffs in Retrieval-Augmented Generation with Reranker KV-Cache Reusecited by 8
- 2024ReSLLM: Large Language Models are Strong Resource Selectors for Federated Searchcited by 7
- 2024HyQE: Ranking Contexts with Hypothetical Query Embeddingscited by 6
- 2025RankArena: A Unified Platform for Evaluating Retrieval, Reranking and RAG with Human and LLM Feedbackcited by 5
- 2026Optimizing User Profiles via Contextual Bandits for Retrieval-Augmented LLM Personalizationcited by 5
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- 2026Local-to-Global Sentence-Level Graph Reranking for Scientific Synthesis31 Aug 2026
- 2026Select-And-Extract: A Lightweight Plugin for Retrieval-Augmented Generation1 Aug 2026
- 20265ting at SemEval-2026 Task 8: Strong End-to-End Multi-Turn RAG via LLM-Based Reranking and Faithfulness Control27 Jun 2026
- 2026Re-Ranking Through an Attribution Lens for Citation Quality in Legal QA2 Jun 2026
- 2026Very Efficient Listwise Multimodal Reranking for Long Documents12 May 2026
- 2026Prism-Reranker: Beyond Relevance Scoring -- Jointly Producing Contributions and Evidence for Agentic Retrieval26 Apr 2026
- 2026A Reproducibility Study of Metacognitive Retrieval-Augmented Generation21 Apr 2026
- 2026FRESCO: Benchmarking and Optimizing Re-rankers for Evolving Semantic Conflict in Retrieval-Augmented Generation14 Apr 2026
- 2026Optimizing RAG Rerankers with LLM Feedback via Reinforcement Learning2 Apr 2026
- 2026LANCER: LLM Reranking for Nugget Coverage29 Jan 2026
- 2026DeepEra: A Deep Evidence Reranking Agent for Scientific Retrieval-Augmented Generated Question Answering23 Jan 2026
- 2026Optimizing User Profiles via Contextual Bandits for Retrieval-Augmented LLM Personalization17 Jan 2026
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- 2025Rank-R1: Enhancing Reasoning in LLM-based Document Rerankers via Reinforcement Learningcited by 58
- 2024JudgeRank: Leveraging Large Language Models for Reasoning-Intensive Rerankingcited by 34
- 2024RAR-b: Reasoning as Retrieval Benchmarkcited by 33
- 2025Query-Focused Retrieval Heads Improve Long-Context Reasoning and Re-rankingcited by 30
- 2025Rank-K: Test-Time Reasoning for Listwise Rerankingcited by 28
- 2025REARANK: Reasoning Re-ranking Agent via Reinforcement Learningcited by 24
- 2025ThinkQE: Query Expansion via an Evolving Thinking Processcited by 11
- 2025DeAR: Dual-Stage Document Reranking with Reasoning Agents via LLM Distillationcited by 11
- 2024ReasoningRank: Teaching Student Models to Rank through Reasoning-Based Knowledge Distillationcited by 9
- 2025CLaRa: Bridging Retrieval and Generation with Continuous Latent Reasoningcited by 9
- 2025Batched Self-Consistency Improves LLM Relevance Assessment and Rankingcited by 8
12 most cited of 30 All 30 (JSON)
- 2026QReason: Query-Focused Decoupled Chain-of-Thought for Efficient Passage Reranking25 Sep 2026
- 2026On-Policy Distillation Meets Off-Policy GRPO: Training Compact Instruction-Following Rerankers1 Sep 2026
- 2026TabRank: Chain-of-Thought Distillation for Table Re-Rankers28 Jul 2026
- 2026F-GRPO: Factorized Group-Relative Policy Optimization for Unified Candidate Generation and Ranking13 May 2026
- 2026MemReranker: Reasoning-Aware Reranking for Agent Memory Retrieval7 May 2026
- 2026Verbal-R3: Verbal Reranker as the Missing Bridge between Retrieval and Reasoning2 May 2026
- 2026Rethinking the Necessity of Adaptive Retrieval-Augmented Generation through the Lens of Adaptive Listwise Ranking17 Apr 2026
- 2026BracketRank: Large Language Model Document Ranking via Reasoning-based Competitive Elimination10 Apr 2026
- 2026Offline Reasoning for Efficient Recommendation: LLM-Empowered Persona-Profiled Item Indexing25 Feb 2026
- 2026Think When Needed: Model-Aware Reasoning Routing for LLM-based Ranking26 Jan 2026
- 2025CLaRa: Bridging Retrieval and Generation with Continuous Latent Reasoning24 Nov 2025
- 2025GroupRank: A Groupwise Paradigm for Effective and Efficient Passage Reranking with LLMs10 Nov 2025
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- 2025CoRanking: Collaborative Ranking with Small and Large Ranking Agentscited by 10
- 2025PRISM: Agentic Retrieval with LLMs for Multi-Hop Question Answeringcited by 7
- 2026CoSearch: Joint Training of Reasoning and Document Ranking via Reinforcement Learning for Agentic Searchcited by 3
- 2026Training Documents Reranker with Search Rubrics for Deep Research Agentcited by 2
- 2026Bringing Agentic Search to Earth Observation Data Discoverycited by 1
- 2026BlitzRank: Principled Zero-shot Ranking Agents with Tournament Graphscited by 0
- 2026Training Documents Reranker with Search Rubrics for Deep Research Agent4 Aug 2026
- 2026Bringing Agentic Search to Earth Observation Data Discovery2 Jul 2026
- 2026CoSearch: Joint Training of Reasoning and Document Ranking via Reinforcement Learning for Agentic Search19 Apr 2026
- 2026BlitzRank: Principled Zero-shot Ranking Agents with Tournament Graphs5 Feb 2026
- 2025PRISM: Agentic Retrieval with LLMs for Multi-Hop Question Answering16 Oct 2025
- 2025CoRanking: Collaborative Ranking with Small and Large Ranking Agents30 Mar 2025
- 2024Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking dialogscited by 18
- 2025Beyond Contrastive Learning: Synthetic Data Enables List-wise Training with Multiple Levels of Relevancecited by 4
- 2026Mira-Embeddings-V1: Domain-Adapted Semantic Reranking for Recruitment via LLM-Synthesized Datacited by 0
- 2026Component-Aware Feedback for Self-Evolving Programscited by 0
- 2026Component-Aware Feedback for Self-Evolving Programs29 Sep 2026
- 2026Mira-Embeddings-V1: Domain-Adapted Semantic Reranking for Recruitment via LLM-Synthesized Data20 Apr 2026
- 2025Beyond Contrastive Learning: Synthetic Data Enables List-wise Training with Multiple Levels of Relevance29 Mar 2025
- 2024Self-seeding and Multi-intent Self-instructing LLMs for Generating Intent-aware Information-Seeking dialogs18 Feb 2024
- 2025Reinforcement Speculative Decoding for Fast Ranking23 May 2025
- 2024Characterizing Prompt Compression Methods for Long Context Inference11 Jul 2024
- 2024Generative Representational Instruction Tuningcited by 227
- 2024FollowIR: Evaluating and Teaching Information Retrieval Models to Follow Instructionscited by 67
- 2024LitLLM: A Toolkit for Scientific Literature Reviewcited by 61
- 2024TourRank: Utilizing Large Language Models for Documents Ranking with a Tournament-Inspired Strategycited by 47
- 2024CoRNStack: High-Quality Contrastive Data for Better Code Retrieval and Rerankingcited by 37
- 2024Semantic Operators: A Declarative Model for Rich, AI-based Data Processingcited by 29
- 2024APEER: Automatic Prompt Engineering Enhances Large Language Model Rerankingcited by 28
- 2024Leveraging Passage Embeddings for Efficient Listwise Reranking with Large Language Modelscited by 20
- 2025SweRank: Software Issue Localization with Code Rankingcited by 20
- 2024Query Performance Prediction using Relevance Judgments Generated by Large Language Modelscited by 18
- 2024Can We Use Large Language Models to Fill Relevance Judgment Holes?cited by 17
- 2025Guiding Retrieval using LLM-based Listwise Rankerscited by 16
12 most cited of 71 All 71 (JSON)
- 2026Project Greenhouse: Progress Toward Fully Open and Sovereign Agentic Search8 Oct 2026
- 2026AdaTutoRank: Learning to Rerank Document Sets via Adaptive Tutoring Optimization for RAG and Deep Research26 Sep 2026
- 2026Per-Query Gating of LLM Rerankers for Multi-Hop Retrieval19 Sep 2026
- 2026SPD: Single Pass Decoding for Generative Reranking1 Sep 2026
- 2026Equal Ranking Quality, Different Decisions: Measuring and Reducing Order Dependence in LLM Scorers27 Aug 2026
- 2026Neighborhood-Aware Dual Biomedical Entity Linking4 Aug 2026
- 2026Ranked by Position: Order Sensitivity as an Exploitable Attack Surface in LLM Listwise Recommenders26 Jul 2026
- 2026Beyond Relevance-Centric Retrieval: Rubric-Oriented Document Set Selection and Ranking22 Jul 2026
- 2026InfluMatch: Frontier-Quality KOL Search at 4B-Model Cost7 Jul 2026
- 2026Entity Labels Are Not Entity Signals: A Framework for Observable Relevance in Document Re-Ranking14 Jun 2026
- 2026ADORE: Iterative Query Expansion with Retrieval-Grounded Relevance Feedback11 Jun 2026
- 2026Quotient DAGs for Off-Policy Evaluation:Forward-Flow Importance Sampling and Exact Slate Propensities28 May 2026
12 newest of 71 All 71 (JSON)