LLM-I: LLMs are Naturally Interleaved Multimodal Creators

Fuente: arXiv
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Auteurs principaux: Guo, Zirun, Zhang, Feng, Jia, Kai, Jin, Tao
Format: Preprint
Publié: 2025
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author Guo, Zirun
Zhang, Feng
Jia, Kai
Jin, Tao
author_facet Guo, Zirun
Zhang, Feng
Jia, Kai
Jin, Tao
contents We propose LLM-Interleaved (LLM-I), a flexible and dynamic framework that reframes interleaved image-text generation as a tool-use problem. LLM-I is designed to overcome the "one-tool" bottleneck of current unified models, which are limited to synthetic imagery and struggle with tasks requiring factual grounding or programmatic precision. Our framework empowers a central LLM or MLLM agent to intelligently orchestrate a diverse toolkit of specialized visual tools, including online image search, diffusion-based generation, code execution, and image editing. The agent is trained to select and apply these tools proficiently via a Reinforcement Learning (RL) framework that features a hybrid reward system combining rule-based logic with judgments from LLM and MLLM evaluators. Trained on a diverse new dataset using four different model backbones, LLM-I demonstrates state-of-the-art performance, outperforming existing methods by a large margin across four benchmarks. We also introduce a novel test-time scaling strategy that provides further performance gains. Project Page: https://github.com/ByteDance-BandAI/LLM-I.
format Preprint
id arxiv_https___arxiv_org_abs_2509_13642
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle LLM-I: LLMs are Naturally Interleaved Multimodal Creators
Guo, Zirun
Zhang, Feng
Jia, Kai
Jin, Tao
Machine Learning
Computer Vision and Pattern Recognition
We propose LLM-Interleaved (LLM-I), a flexible and dynamic framework that reframes interleaved image-text generation as a tool-use problem. LLM-I is designed to overcome the "one-tool" bottleneck of current unified models, which are limited to synthetic imagery and struggle with tasks requiring factual grounding or programmatic precision. Our framework empowers a central LLM or MLLM agent to intelligently orchestrate a diverse toolkit of specialized visual tools, including online image search, diffusion-based generation, code execution, and image editing. The agent is trained to select and apply these tools proficiently via a Reinforcement Learning (RL) framework that features a hybrid reward system combining rule-based logic with judgments from LLM and MLLM evaluators. Trained on a diverse new dataset using four different model backbones, LLM-I demonstrates state-of-the-art performance, outperforming existing methods by a large margin across four benchmarks. We also introduce a novel test-time scaling strategy that provides further performance gains. Project Page: https://github.com/ByteDance-BandAI/LLM-I.
title LLM-I: LLMs are Naturally Interleaved Multimodal Creators
topic Machine Learning
Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2509.13642