
Meituan Fulfillment AI Team Presents Advanced LLM Agent Research and Self-Evolving Systems at ACL 2026
The Meituan Business R&D Platform's Fulfillment AI Algorithm Team has unveiled a comprehensive overview of its latest research contributions for the ACL 2026 conference. The team is currently focused on constructing a sophisticated Agent technology system powered by Large Language Models (LLMs) to enhance Meituan's fulfillment business. By developing a self-evolving Agent operation system, the team leverages cutting-edge techniques such as Continual Pre-training (CPT), Post-training, Agentic Reinforcement Learning (RL), and Multimodal Understanding. With a track record of dozens of high-quality publications in top-tier international AI conferences like ACL and EMNLP, Meituan continues to push the boundaries of how generative AI can be integrated into complex, real-world logistics and operational environments.
Key Takeaways
- LLM-Centric Agent Framework: Meituan is building a robust Agent technology system based on Large Language Models to empower its core fulfillment operations.
- Self-Evolving Systems: A primary goal of the research is the creation of a self-evolving Agent operation system that can adapt and improve within the fulfillment business context.
- Core Technical Focus: The team is specializing in four critical areas: Continual Pre-training (CPT), Post-training, Agentic Reinforcement Learning (RL), and Multimodal Understanding.
- Academic Excellence: The Fulfillment AI Algorithm team has established a strong presence in the global AI research community with numerous papers published in ACL and EMNLP.
- Industrial Application: The research bridges the gap between theoretical AI and practical fulfillment challenges, focusing on real-world efficiency and intelligence.
In-Depth Analysis
The Architecture of Self-Evolving Agent Systems in Fulfillment
Meituan's Business R&D Platform and Fulfillment AI Algorithm team are pivoting toward a future where fulfillment operations are managed by intelligent, autonomous agents. The core of this strategy is the development of an LLM-based Agent technology system. Unlike traditional static algorithms, these agents are designed to be part of a "self-evolving" operation system. This implies a feedback loop where the AI can learn from the vast amounts of operational data generated by Meituan's fulfillment network, effectively refining its decision-making processes over time. By focusing on the fulfillment business, Meituan is applying these agents to one of the most complex sectors of local commerce, where real-time variables and logistical constraints require high levels of adaptability and reasoning.
Technical Pillars: CPT, Agentic RL, and Multimodal Understanding
The technical depth of Meituan's research is evidenced by its focus on four specific domains. Continual Pre-training (CPT) and Post-training allow the team to tailor Large Language Models to the specific linguistic and logical nuances of the fulfillment industry, ensuring the models understand domain-specific terminology and operational logic. Agentic Reinforcement Learning (RL) is particularly significant, as it provides the framework for agents to take actions and learn from rewards within the fulfillment environment, optimizing for efficiency and reliability. Furthermore, the inclusion of Multimodal Understanding suggests that Meituan is looking beyond text-based data, potentially integrating visual or spatial information to help agents better understand the physical environment in which fulfillment occurs. This multi-faceted approach ensures that the agents are not just conversational interfaces but functional components of an industrial AI ecosystem.
Industry Impact
The work presented by Meituan for ACL 2026 signals a significant shift in how large-scale technology companies approach logistics and fulfillment. By integrating LLM-based agents into the core of their operations, Meituan is moving beyond simple automation toward intelligent orchestration. This has several implications for the AI industry:
- Standardization of Industrial Agents: Meituan's focus on CPT and Agentic RL provides a blueprint for how other industries can adapt general-purpose LLMs for specialized, high-stakes operational tasks.
- Validation of Self-Evolving AI: The emphasis on a self-evolving system highlights the industry's move toward AI that requires less manual tuning and more autonomous optimization, which is crucial for scaling complex services.
- Academic-Industrial Synergy: By consistently publishing in venues like ACL and EMNLP, Meituan demonstrates that the most challenging problems in AI are often found at the intersection of theoretical research and massive-scale industrial application, encouraging further collaboration between academia and tech giants.
Frequently Asked Questions
Question: What is the main focus of Meituan's Fulfillment AI Algorithm team at ACL 2026?
Answer: The team is focusing on sharing their research and practices regarding LLM-based Agent technology systems. Specifically, they are highlighting how these agents empower Meituan's fulfillment business through a self-evolving operation system and advanced techniques like Agentic RL and Multimodal Understanding.
Question: Which specific AI technologies are being utilized in Meituan's new Agent system?
Answer: The system is built upon Large Language Models (LLMs) and utilizes Continual Pre-training (CPT), Post-training, Agentic Reinforcement Learning (RL), and Multimodal Understanding to achieve its operational goals.
Question: How successful has the Meituan Fulfillment AI team been in the academic community?
Answer: The team has been highly successful, publishing dozens of high-quality research papers in top international AI conferences, including the Association for Computational Linguistics (ACL) and the Conference on Empirical Methods in Natural Language Processing (EMNLP).


