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Efficient Code Embeddings from Code Generation Models

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arxiv 2508.21290 v1 pith:Q2QABSZP submitted 2025-08-29 cs.CL cs.AIcs.IR

Efficient Code Embeddings from Code Generation Models

classification cs.CL cs.AIcs.IR
keywords codeembeddingembeddingsmodelmodelsacrossapproachautoregressive
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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jina-code-embeddings is a novel code embedding model suite designed to retrieve code from natural language queries, perform technical question-answering, and identify semantically similar code snippets across programming languages. It makes innovative use of an autoregressive backbone pre-trained on both text and code, generating embeddings via last-token pooling. We outline the training recipe and demonstrate state-of-the-art performance despite the relatively small size of the models, validating this approach to code embedding model construction.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. CORE-Bench: A Comprehensive Benchmark for Code Retrieval in the Era of Agentic Coding

    cs.IR 2026-06 accept novelty 7.0

    CORE-Bench is a benchmark for code retrieval in agentic coding settings, built from curated tasks and SWE-bench instances, showing performance drops and gains from fine-tuning.

  2. CORE-Bench: A Comprehensive Benchmark for Code Retrieval in the Era of Agentic Coding

    cs.IR 2026-06 conditional novelty 7.0

    Existing embedding models drop sharply from traditional code search to requirement-driven repository retrieval, while in-domain PR fine-tuning substantially improves Level-2/3 performance on CORE-Bench.

  3. Can LLMs Deobfuscate Binary Code? A Systematic Analysis of Large Language Models into Pseudocode Deobfuscation

    cs.SE 2026-04 unverdicted novelty 7.0

    LLM deobfuscation of binaries to pseudocode depends more on reasoning ability and task-specific fine-tuning than on model size, with reasoning models showing robustness across ISAs and obfuscation levels on the new Bi...

  4. CodeNib: A Multi-View Data System for Serving Repository Context to Coding Agents

    cs.SE 2026-07 conditional novelty 6.0

    A per-commit multi-view repository-index system with incremental updates that match independent rebuilds at 8.7x/25.4x median speedups, and context policies that cut agent trajectory tokens 50-87% while holding locali...

  5. Agent Retrieval Bench: Evaluating Repository Context Retrieval for Coding Agents

    cs.IR 2026-07 conditional novelty 6.0

    A 427-sample workflow-grounded benchmark finds complementary strengths across lexical, structural, and embedding retrieval for coding-agent context acquisition, with large residual miss rates and a selective-abstentio...

  6. MARS$^2$: Scaling Multi-Agent Tree Search via Reinforcement Learning for Code Generation

    cs.AI 2026-04 unverdicted novelty 6.0

    MARS² integrates multi-agent collaboration with tree-structured search in RL to boost code generation by increasing exploratory diversity and using path-level group advantages for credit assignment.