Paper Citation Record · LEDGER

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead

As of 8 August 2026, this Paper Citation Record lists 31 of 31 outbound references and 1 inbound Pith citation observation for arXiv:2505.16221.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2505.16221 v1

Coverage vector

measured 31 of 31 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-07T15:11:17.508971Z

measured 32 of 32 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-08T06:32:00.761636+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T05:12:30.358427Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: pith, observed 2026-08-06T05:12:32.763864Z

Reference resolution

31 of 31 outbound references displayed

verified exact2
verified fuzzy1
unresolved28
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 98d5218d-0356-439e-b79e-c698bec99aa0 · outbound

This paper cites GPT-4 Technical Report.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead GPT-4 Technical Report

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.377349Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f1b8e9c3-1adb-4d38-8746-3c9f7c720aae · outbound

This paper cites ChatGPT is a Knowledgeable but Inexperienced Solver: An Investigation of Commonsense Problem in Large Language Models.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead ChatGPT is a Knowledgeable but Inexperienced Solver: An Investigation of Commonsense Problem in Large Language Models

Reference 3

Resolution: verified exact; local_arxiv, observed 2026-08-07T15:11:17.804529Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

Observation 2c2becf4-31d5-4ad3-b125-5f8a59840f88 · outbound

This paper cites Language models are few-shot learners.Advances in neural information processing systems, 33:1877–1901,.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Language models are few-shot learners.Advances in neural information processing systems, 33:1877–1901,

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.391752Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 83ff80c2-26b6-4d4a-9080-b6a4b08d7654 · outbound

This paper cites What is the Role of Small Models in the LLM Era: A Survey.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead What is the Role of Small Models in the LLM Era: A Survey

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.400739Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5dfa909c-c980-461c-b32d-7a1654252f13 · outbound

This paper cites Training Verifiers to Solve Math Word Problems.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Training Verifiers to Solve Math Word Problems

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.410189Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c95e968f-97f7-4df0-abe0-5eec708e0034 · outbound

This paper cites GraphRouter: A Graph-based Router for LLM Selections.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead GraphRouter: A Graph-based Router for LLM Selections

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.414033Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 069df2ac-0260-43a1-91ca-6f94f046e6f7 · outbound

This paper cites DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead DeepSeek-R1: Incentivizing Reasoning Capability in LLMs via Reinforcement Learning

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.418633Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c52a99ea-ff7a-4cd4-9e8a-801a660d0dca · outbound

This paper cites Measuring Mathematical Problem Solving With the MATH Dataset.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Measuring Mathematical Problem Solving With the MATH Dataset

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.426762Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f9b76be3-78ac-49d5-82ed-63d56d03b83a · outbound

This paper cites RouterEval: A Comprehensive Benchmark for Routing LLMs to Explore Model-level Scaling Up in LLMs.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead RouterEval: A Comprehensive Benchmark for Routing LLMs to Explore Model-level Scaling Up in LLMs

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.431359Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 49450460-5ef7-4d2f-872b-e5b496c3bb6f · outbound

This paper cites LLM-Blender: Ensembling Large Language Models with Pairwise Ranking and Generative Fusion.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead LLM-Blender: Ensembling Large Language Models with Pairwise Ranking and Generative Fusion

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.439648Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 018e734a-9868-475c-bd3d-65cc79230b4b · outbound

This paper cites DeepSeek-V3 Technical Report.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead DeepSeek-V3 Technical Report

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.444316Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a165b283-98a8-40eb-a0f3-1a1b91fb7a56 · outbound

This paper cites SimCLS: A Simple Framework for Contrastive Learning of Abstractive Summarization.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead SimCLS: A Simple Framework for Contrastive Learning of Abstractive Summarization

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.448589Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f16862dc-de39-41ba-92ec-bf35c1834da9 · outbound

This paper cites SummaReranker: A Multi-Task Mixture-of-Experts Re-ranking Framework for Abstractive Summarization.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead SummaReranker: A Multi-Task Mixture-of-Experts Re-ranking Framework for Abstractive Summarization

Reference 19

Resolution: verified exact; local_arxiv, observed 2026-08-07T15:11:17.648488Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

Observation 16a59abc-42f5-4549-9af3-7f1087c77506 · outbound

This paper cites DeepSeek-Prover-V2: Advancing Formal Mathematical Reasoning via Reinforcement Learning for Subgoal Decomposition.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead DeepSeek-Prover-V2: Advancing Formal Mathematical Reasoning via Reinforcement Learning for Subgoal Decomposition

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.462875Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c3164259-a084-45f9-b105-2c42059b315a · outbound

This paper cites Outrageously Large Neural Networks: The Sparsely-Gated Mixture-of-Experts Layer.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Outrageously Large Neural Networks: The Sparsely-Gated Mixture-of-Experts Layer

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.466646Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 58137cba-4e09-4b2b-82f6-1e80f68e5450 · outbound

This paper cites Scaling LLM Test-Time Compute Optimally can be More Effective than Scaling Model Parameters.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Scaling LLM Test-Time Compute Optimally can be More Effective than Scaling Model Parameters

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.475653Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 56670945-d38a-4755-b634-c265dccd252f · outbound

This paper cites Qwen2.5 Technical Report.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Qwen2.5 Technical Report

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.480116Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation cf3c5653-c41b-463d-9d1b-cc8aa5df1408 · outbound

This paper cites Llama 2: Open Foundation and Fine-Tuned Chat Models.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Llama 2: Open Foundation and Fine-Tuned Chat Models

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.483284Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3f381e3c-4203-48f6-8c7c-7a3a057e09ff · outbound

This paper cites Knowledge Fusion of Large Language Models.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Knowledge Fusion of Large Language Models

Reference 26

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.487698Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6e111868-9f4f-468c-bda8-3467697e0de3 · outbound

This paper cites Fusing Models with Complementary Expertise.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Fusing Models with Complementary Expertise

Reference 27

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.491867Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation aeeafed2-02ca-4a45-801d-431efa80e8b6 · outbound

This paper cites Mixture-of-Agents Enhances Large Language Model Capabilities.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Mixture-of-Agents Enhances Large Language Model Capabilities

Reference 28

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.496688Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 61955ac3-42b2-407e-9d19-fc9172cc3b35 · outbound

This paper cites Which llm to play? convergence-aware online model selection with time-increasing bandits.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Which llm to play? convergence-aware online model selection with time-increasing bandits

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-07T15:11:17.841325Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.

Observation ab3414fc-0653-48c1-9560-8176bec39071 · outbound

This paper cites OPT: Open Pre-trained Transformer Language Models.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead OPT: Open Pre-trained Transformer Language Models

Reference 30

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.505087Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 583335e7-1336-47f1-ada2-8c3354229c46 · outbound

This paper cites DeepSeek-Coder-V2: Breaking the Barrier of Closed-Source Models in Code Intelligence.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead DeepSeek-Coder-V2: Breaking the Barrier of Closed-Source Models in Code Intelligence

Reference 31

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.508971Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ca070952-f65b-4791-9cff-77ba8786d23c · outbound

This paper cites Mixtral of Experts.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Mixtral of Experts

Reference 1991

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.435510Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation af962790-1ffa-4c39-adfc-edd5e37800f7 · outbound

This paper cites Large Language Model Routing with Benchmark Datasets.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Large Language Model Routing with Benchmark Datasets

Reference 2017

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.471621Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b672965b-05d9-48b8-b89f-240cdbe535d8 · outbound

This paper cites ReConcile: Round-Table Conference Improves Reasoning via Consensus among Diverse LLMs.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead ReConcile: Round-Table Conference Improves Reasoning via Consensus among Diverse LLMs

Reference 2020

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.395603Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b2f5239e-f702-4185-8ac9-c9ea9028a953 · outbound

This paper cites Routing to the Expert: Efficient Reward-guided Ensemble of Large Language Models.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Routing to the Expert: Efficient Reward-guided Ensemble of Large Language Models

Reference 2021

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.453059Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2c3c1228-c1b4-4c39-9413-110048decd5f · outbound

This paper cites OceanGPT: A Large Language Model for Ocean Science Tasks.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead OceanGPT: A Large Language Model for Ocean Science Tasks

Reference 2023

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.383015Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1b4b8f71-c265-46a3-bb6a-5323fc749095 · outbound

This paper cites Evaluating Large Language Models Trained on Code.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Evaluating Large Language Models Trained on Code

Reference 2024

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.405752Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation a7c682ba-fbeb-4e37-9a09-359652378c18 · outbound

This paper cites Measuring Massive Multitask Language Understanding.

LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead Measuring Massive Multitask Language Understanding

Reference 2025

Resolution: unresolved; no resolver link, observed 2026-08-07T15:11:17.422882Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Pith citing papers

Observation 00d5258b-8b42-4b4d-a9e6-27e880bd964e · inbound

Balancing Information Accuracy and Response Timeliness in Networked LLMs cites this paper.

Balancing Information Accuracy and Response Timeliness in Networked LLMs LightRouter: Towards Efficient LLM Collaboration with Minimal Overhead

Reference 16

Resolution: verified exact; local_arxiv, observed 2026-08-06T05:12:32.860659Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.