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Meituan's 'Xiao Mei' to Integrate with Tencent Yuanbao
💡A prime example of LLM-to-service integration; learn how to build AI agents that execute real-world transactions.
⚡ 30-Second TL;DR
What Changed
Integration between Meituan's 'Xiao Mei' and Tencent's 'Yuanbao'.
Why It Matters
This move represents a significant step in 'Agentic AI', where LLMs transition from information retrieval to executing complex local service tasks.
What To Do Next
Explore implementing function calling in your LLM projects to enable direct interaction with your platform's backend services.
Who should care:Developers & AI Engineers
Key Points
- •Integration between Meituan's 'Xiao Mei' and Tencent's 'Yuanbao'.
- •Enables direct invocation of local services via AI chat interface.
- •Expands the utility of LLMs into real-world transactional tasks.
🧠 Deep Insight
Web-grounded analysis with 26 cited sources.
🔑 Enhanced Key Takeaways
- •Meituan's 'Xiao Mei' AI agent, initially deployed in late 2025, is powered by its proprietary 'LongCat' large language model and is designed for 'functional delegation,' autonomously completing tasks like food orders based on user intent without requiring extensive screen interaction.
- •Tencent's 'Yuanbao' AI assistant, launched for public use in May 2024, is built upon the Hunyuan LLM, which has since been scaled to a trillion parameters and trained with a 70 trillion token pre-training corpus.
- •The integration signifies Meituan's strategic emphasis on 'serving AI agents (To A)' alongside consumers (To C) and merchants (To B), aiming to leverage its comprehensive local service coverage and fulfillment system to deliver enhanced AI-powered lifestyle experiences.
- •Meituan has been actively developing its AI capabilities, including opening testing for its next-generation large model, LongCat-2.0-Preview, with over one trillion parameters in April 2026, and has committed significant investment to AI training chips.
- •Tencent Yuanbao extends its utility beyond basic chat functions by offering features such as multi-screen collaboration, cross-device synchronization, and integration with OpenClaw for connecting third-party AI agents, positioning it as a comprehensive AI-native collaboration platform.
📊 Competitor Analysis▸ Show
| Feature/Aspect | Meituan's Xiao Mei (via Yuanbao) | Tencent Yuanbao | Alibaba (Qwen/Taobao) | Baidu (Ernie Bot) | ByteDance (Doubao) | DeepSeek |
|---|---|---|---|---|---|---|
| Core Function | Local service invocation (food delivery, booking) | General AI assistant (search, summary, writing, image gen, Q&A) | Conversational shopping, product comparison, purchase | AI search, voice interaction, route analysis | General AI chatbot, ticket bookings, multimodal fluency | Open-source LLM, logical reasoning, math, coding |
| Underlying LLM | Meituan's LongCat (LongCat-2.0-Preview >1T params) | Tencent's Hunyuan (trillion-parameter model) | Alibaba's Qwen | Baidu's Ernie | ByteDance's Doubao | DeepSeek-V3 (600B params), DeepSeek-R1 |
| Key Differentiator | Functional delegation for real-world transactions | Integration with WeChat ecosystem content | Agentic commerce within e-commerce super-app | AI search, voice-first, smart city integration | Strong consumer experience, discovery engine, multimodal | Open-source, high performance at lower cost, reasoning |
| User Base (MAU) | N/A (integrated) | 2.11M (Dec 2024, then rapid iteration) | 300M (Qwen with Taobao) | 200M (as of May 2024) | 75.23M (Dec 2024) | N/A (developer/enterprise focus) |
| Launch Date | Xiao Mei: Late 2025 / Sep 2025 | Yuanbao app: May 2024 | Qwen: (integrated with Taobao May 2026) | Ernie Bot: Mar 2023 (public access Aug 2023) | Doubao: (upgraded Dec 2025) | DeepSeek-R1: Jan 2025 |
🛠️ Technical Deep Dive
- Meituan's 'Xiao Mei' is built on the proprietary 'LongCat' model, with Meituan testing 'LongCat-2.0-Preview' which features over one trillion parameters as of April 2026.
- 'Xiao Mei' employs an 'outcome-focused architecture' for functional delegation, interpreting user intent, checking lead times, accounting for delivery conditions, and placing orders autonomously, with success measured by the actual outcome (e.g., correct food arriving on time). This relies on robust logistics telemetry and existing measurement infrastructure.
- Tencent's 'Yuanbao' is based on the 'Hunyuan' LLM, which has been enhanced to a trillion-parameter model and trained with a pre-training corpus of 70 trillion tokens.
- Yuanbao supports processing ultra-long texts, capable of handling up to 10 million words in a single document and parsing up to 50 files simultaneously across various formats (PDF, Word, PPT, Excel, TXT). It can also generate data charts from analyzed content.
- Yuanbao integrates with search engines like WeChat Search and Sogou Search to access content from the WeChat public account ecosystem.
- In February 2025, Tencent Yuanbao integrated the DeepSeek-R1 model, supporting both Hunyuan and DeepSeek LLMs, and also launched its self-developed 'HunYuan T1' model.
- Meituan's 'Errand Skill' supports zero-development integration and is open-sourced on GitHub, compatible with various OpenClaw deployments and third-party clients, while retaining manual confirmation for critical steps to ensure reliability and data security.
🔮 Future ImplicationsAI analysis grounded in cited sources
The integration will accelerate the shift towards 'agentic commerce' in China's local services sector.
By enabling direct transactional capabilities through AI chat, it moves beyond simple recommendations to full task delegation, leveraging the integrated nature of Chinese super-apps.
Meituan will strengthen its competitive moat by leveraging AI to enhance user experience and operational efficiency.
'Xiao Mei's' outcome-focused architecture and Meituan's extensive logistics infrastructure provide a unique advantage in automating complex, multi-step tasks, making its ecosystem 'sticky.'
The collaboration will intensify the 'AI assistant war' among Chinese tech giants, pushing others to deepen LLM integration with their core services.
Competitors like Alibaba, Baidu, and ByteDance are already deploying similar AI agent capabilities, and this partnership sets a new benchmark for seamless transactional AI within large ecosystems.
⏳ Timeline
2010-03
Meituan.com founded by Wang Xing.
2023-06
Meituan acquired AI startup Light Year for US$281 million.
2023-09
Tencent launched its proprietary large language model, Hunyuan, for enterprise use.
2024-05
Tencent officially launched its AI assistant app, Yuanbao, for public use.
2025-09
Meituan launched its AI agent 'Xiao Mei', built on its LongCat model, for food delivery and local services.
2026-04
Meituan opened testing for its next-generation large model, LongCat-2.0-Preview, with over one trillion parameters.
📎 Sources (26)
Factual claims are grounded in the sources below. Forward-looking analysis is AI-generated interpretation.
- smarttechinvest.com
- thestar.com.my
- techinasia.com
- verifiedmarketresearch.com
- asiabusinessoutlook.com
- yicaiglobal.com
- scmp.com
- mk.co.kr
- technode.com
- aifun.cc
- futunn.com
- indexbox.io
- biggo.com
- letsdatascience.com
- thenextweb.com
- hprt.com
- aibase.com
- counterpointresearch.com
- chinamarketingcorp.com
- charlesworth-group.com
- slashdot.org
- globaltimes.cn
- infoworld.com
- medium.com
- openai-hub.com
- substack.com
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Original source: 36氪 ↗