Arctic-Embed 2.0: Multilingual Retrieval Without Compromise
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Abstract (arXiv)
This paper presents the training methodology of Arctic-Embed 2.0, a set of open-source text embedding models built for accurate and efficient multilingual retrieval. While prior works have suffered from degraded English retrieval quality, Arctic-Embed 2.0 delivers competitive retrieval quality on multilingual and English-only benchmarks, and supports Matryoshka Representation Learning (MRL) for efficient embedding storage with significantly lower compressed quality degradation compared to alternatives. We detail the design and implementation, presenting several important open research questions that arose during model development. We conduct experiments exploring these research questions and include extensive discussion aimed at fostering further discussion in this field.
Key facts. Cited by 57 papers in the map (data through 7 Oct 2026). Builds on 18 of its 35 references that are in the map. First posted on arXiv 3 Dec 2024.
Builds on
18 of 35 references.
References · 18
- 2024The Llama 3 Herd of Modelscited by 14,192
- 2018Representation Learning with Contrastive Predictive Codingcited by 7,662
- 2019Unsupervised Cross-lingual Representation Learning at Scalecited by 3,907
- 2022No Language Left Behind: Scaling Human-Centered Machine Translationcited by 1,290
- 2024M3-Embedding: Multi-Linguality, Multi-Functionality, Multi-Granularity Text Embeddings Through Self-Knowledge Distillationcited by 1,050
- 2024MiniCPM: Unveiling the Potential of Small Language Models with Scalable Training Strategiescited by 694
- 2022MTEB: Massive Text Embedding Benchmarkcited by 623
- 2024Multilingual E5 Text Embeddings: A Technical Reportcited by 357
- 2024Nomic Embed: Training a Reproducible Long Context Text Embeddercited by 255
- 2022Promptagator: Few-shot Dense Retrieval From 8 Examplescited by 233
- 2024mGTE: Generalized Long-Context Text Representation and Reranking Models for Multilingual Text Retrievalcited by 233
- 2024jina-embeddings-v3: Multilingual Embeddings With Task LoRAcited by 138
6 more
- 2023Jina Embeddings 2: 8192-Token General-Purpose Text Embeddings for Long Documentscited by 103
- 2024NV-Retriever: Improving text embedding models with effective hard-negative miningcited by 83
- 2024Gecko: Versatile Text Embeddings Distilled from Large Language Modelscited by 81
- 2024Arctic-Embed: Scalable, Efficient, and Accurate Text Embedding Modelscited by 60
- 2023Jina Embeddings: A Novel Set of High-Performance Sentence Embedding Modelscited by 35
- 2023Similarity search in the blink of an eye with compressed indicescited by 20
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Citing papers per year: 2025: 27; 2026: 30.
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- 2026Layer-wise Representation Dynamics: An Empirical Investigation Across Embedders and Base LLMs12 May 2026
- 2026Comparison of Modern Multilingual Text Embedding Techniques for Hate Speech Detection Task16 Apr 2026
- 2026Unveiling Language Routing Isolation in Multilingual MoE Models for Interpretable Subnetwork Adaptation4 Apr 2026
- 2026Grounding Arabic LLMs in the Doha Historical Dictionary: Retrieval-Augmented Understanding of Quran and Hadith25 Mar 2026
- 2026jina-embeddings-v5-text: Task-Targeted Embedding Distillation17 Feb 2026
- 2026Completing Missing Annotation: Multi-Agent Debate for Accurate and Scalable Relevant Assessment for IR Benchmarks6 Feb 2026
- 2026Quantifying Retriever-Generator Alignment in RAG with Local Explanations29 Jan 2026
- 2026Generating consensus and dissent on massive discussion platforms with a semantic-vector model20 Jan 2026
- 2026CORE-T: COherent REtrieval of Tables for Text-to-SQL19 Jan 2026
- 2026An Efficient Long-Context Ranking Architecture With Calibrated LLM Distillation: Application to Person-Job Fit15 Jan 2026
- 2026Succeeding at Scale: Enterprise Retrieval Benchmark Construction and Index-Preserving Query Adaptation for Multi-Tenant Search8 Jan 2026
- 2026Large-Scale Aspect-Based Sentiment Analysis with Reasoning-Infused LLMs7 Jan 2026
- 2026STELLA: Self-Reflective Terminology-Aware Framework for Building an Aerospace Information Retrieval Benchmark7 Jan 2026
- 2026LACONIC: Dense-Level Effectiveness for Scalable Sparse Retrieval via a Two-Phase Training Curriculum4 Jan 2026
- 2025A Systematic Framework for Enterprise Knowledge Retrieval: Leveraging LLM-Generated Metadata to Enhance RAG Systems5 Dec 2025
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- 2025WeatherArchive-Bench: Benchmarking Retrieval-Augmented Reasoning for Historical Weather Archives6 Oct 2025
- 2025Benchmarking Information Retrieval Models on Complex Retrieval Tasks8 Sep 2025
- 2025On the Theoretical Limitations of Embedding-Based Retrieval28 Aug 2025
- 2025On The Role of Pretrained Language Models in General-Purpose Text Embeddings: A Survey28 Jul 2025
- 2025Language Models Improve When Pretraining Data Matches Target Tasks16 Jul 2025
- 2025Exploiting Leaderboards for Large-Scale Distribution of Malicious Models11 Jul 2025
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- 2025DoTA-RAG: Dynamic of Thought Aggregation RAG14 Jun 2025
- 2025Position: Text Embeddings Should Capture Implicit Semantics, Not Just Surface Meaning10 Jun 2025
- 2025Multilingual vs Crosslingual Retrieval of Fact-Checked Claims: A Tale of Two Approaches28 May 2025
- 2025Optimized Text Embedding Models and Benchmarks for Amharic Passage Retrieval25 May 2025
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- 2025DoTA-RAG: Dynamic of Thought Aggregation RAGcited by 1
- 2025Spatially-Enhanced Retrieval-Augmented Generation for Walkability and Urban Discoverycited by 1
- 2026Grounding Arabic LLMs in the Doha Historical Dictionary: Retrieval-Augmented Understanding of Quran and Hadithcited by 1
- 2025WeatherArchive-Bench: Benchmarking Retrieval-Augmented Reasoning for Historical Weather Archivescited by 0
- 2026Quantifying Retriever-Generator Alignment in RAG with Local Explanationscited by 0
- 2026The Multilingual Curse at the Retrieval Layer: Evidence from Amhariccited by 0
- 2026MimirRAG: A Multi-Agent RAG Framework for Financial Data Retrieval with Metadata Integrationcited by 0
- 2026What Makes a Good Fiqh Retriever? Answer Retrieval for Arabic Islamic Jurisprudencecited by 0
- 2026Embedding Surgery: Localized Updates for Adaptive Ranking Correction in Dense Retrievalcited by 0
- 2026Quantization Enables Private Dense Retrieval against Malicious Service Providerscited by 0
- 2026Quantization Enables Private Dense Retrieval against Malicious Service Providers28 Sep 2026
- 2026Embedding Surgery: Localized Updates for Adaptive Ranking Correction in Dense Retrieval4 Sep 2026
- 2026What Makes a Good Fiqh Retriever? Answer Retrieval for Arabic Islamic Jurisprudence20 Aug 2026
- 2026MimirRAG: A Multi-Agent RAG Framework for Financial Data Retrieval with Metadata Integration24 May 2026
- 2026The Multilingual Curse at the Retrieval Layer: Evidence from Amharic23 May 2026
- 2026Grounding Arabic LLMs in the Doha Historical Dictionary: Retrieval-Augmented Understanding of Quran and Hadith25 Mar 2026
- 2026Quantifying Retriever-Generator Alignment in RAG with Local Explanations29 Jan 2026
- 2025A Systematic Framework for Enterprise Knowledge Retrieval: Leveraging LLM-Generated Metadata to Enhance RAG Systems5 Dec 2025
- 2025Spatially-Enhanced Retrieval-Augmented Generation for Walkability and Urban Discovery4 Dec 2025
- 2025WeatherArchive-Bench: Benchmarking Retrieval-Augmented Reasoning for Historical Weather Archives6 Oct 2025
- 2025DoTA-RAG: Dynamic of Thought Aggregation RAG14 Jun 2025
- 2025MIRACL-VISION: A Large, multilingual, visual document retrieval benchmark16 May 2025
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- 2026Completing Missing Annotation: Multi-Agent Debate for Accurate and Scalable Relevant Assessment for IR Benchmarkscited by 1
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- 2026ToolSearcher: Optimizing Tool Selection at Scale via Reinforcement Learning25 Sep 2026
- 2026Completing Missing Annotation: Multi-Agent Debate for Accurate and Scalable Relevant Assessment for IR Benchmarks6 Feb 2026
- 2025Can we Retrieve Everything All at Once? ARM: An Alignment-Oriented LLM-based Retrieval Method30 Jan 2025
- 2025On the Theoretical Limitations of Embedding-Based Retrievalcited by 98
- 2025Safety Pretraining: Toward the Next Generation of Safe AIcited by 35
- 2025Beyond Matryoshka: Revisiting Sparse Coding for Adaptive Representationcited by 25
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- 2026Retrieval Needs Multivectors: An Exponential Separation21 Aug 2026
- 2026DenseOn with the LateOn: Fully Open Dense and Late-Interaction Models for Multilingual, Long-Context, and Code Search29 Jul 2026
- 2026MTEB-BR: A Text Embedding Benchmark for Brazilian Portuguese6 Jul 2026
- 2026Closing the Operational Gap in Semantic Caching18 Jun 2026
- 2026SkMTEB: Slovak Massive Text Embedding Benchmark and Model Adaptation11 Jun 2026
- 2026Larch: Learned Query Optimization for Semantic Predicates6 Jun 2026
- 2026Xetrieval: Mechanistically Explaining Dense Retrieval28 May 2026
- 2026QOuLiPo: What a quantum computer sees when it reads a book13 May 2026
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