The Tweet That Shook the AI Community
On March 4, 2026, at 00:11 AM, a brief message appeared on X (formerly Twitter): “bye my beloved qwen.” The sender was Yang Liu (Lin Junyang), the 2019 Peking University graduate who had rapidly ascended to become the technical lead of Alibaba’s Tongyi Qianwen (Qwen) project. At the age of roughly 30, Liu was the youngest P10 (Senior Director level) researcher in Alibaba’s history, a promotion earned by building Qwen into one of the world’s most formidable open-source Large Language Model (LLM) families.
His sudden exit is not merely a personnel change; it is a seismic event signaling the end of the “Hero Era” at Alibaba Cloud and the painful transition toward a corporate, industrialized AI strategy.
1. The Rise of a Technical Visionary
To understand the impact of Liu’s departure, one must understand his trajectory. Joining Alibaba’s DAMO Academy in 2019, Liu cut his teeth on massive pre-training models like M6 and OFA. However, his defining moment came in late 2022. During a major restructuring that merged DAMO’s AI core into Alibaba Cloud, Liu was appointed to lead the technical development of Qwen, reporting directly to CTO Zhou Jingren.
Under Liu’s leadership, Qwen adopted a unique philosophy: “Vertical Integration.”
Unlike traditional siloed R&D, Liu integrated pre-training, post-training (RLHF), infrastructure, and multi-modal teams into a single, tight-knit unit. He championed “Model as Product,” insisting that base models must be robust products, not just academic papers. This approach allowed Qwen to iterate at lightning speed, covering everything from 0.5B to massive parameters across audio, vision, and text, rivaling Meta’s Llama series in global influence.
2. The Strategic Clash: Vertical vs. Horizontal
The success of Qwen paradoxically led to the friction that caused Liu’s exit. As AI became central to Alibaba’s survival, the company sought to scale. Management proposed a shift from Liu’s “Vertical Integration” to a “Horizontal Division” model.
The new plan involved dismantling Liu’s unified team and segregating them into functional silos—Pre-training, Post-training, and specific modalities—merged with other internal teams (like Tongyi Wanxiang). The goal was industrial standardization and commercial efficiency. Liu argued this would kill the agility and “soul” of the development process.
The tension culminated in a meeting on the afternoon of March 3, 2026. Discussions regarding the new architecture reached an impasse. Liu left the meeting and immediately tendered his resignation.
3. The Domino Effect: A Team in Flux
Liu’s resignation triggered immediate aftershocks. The local Hainan headhunting firm SunTzu Recruit, which closely monitors high-level tech movements, noted that “when a spiritual leader leaves, the core structure often shakes.” Indeed, on March 4, Bowen Yu (Head of Post-training) also confirmed his departure. Other key contributors, including Binyuan Hui (Qwen-Coder lead) and Kaixin Li, are also reported to be leaving or transferring.
This exodus represents a significant loss of institutional memory. Industry insiders estimate that the technical iteration of Qwen could be delayed by six months to a year as the new “horizontal” structure finds its footing.
4. Crisis Management and New Blood
Alibaba’s response was swift. CEO Wu Yongming issued an internal letter on March 5, officially approving Liu’s resignation and thanking him for his service. To stabilize the ship, Wu announced the formation of a “Foundation Model Support Group,” comprised of himself, CTO Zhou Jingren, and Fan Yu, to coordinate high-level resources for the team.
Simultaneously, Alibaba is aggressively recruiting to fill the void. As one of the best recruitment agency in Hainan, SunTzu Recruit observes that major tech giants are increasingly turning to external experts to replace homegrown heroes. Confirming this trend, Alibaba has brought in Zhou Hao, a former Senior Staff Research Scientist at Google DeepMind and a core contributor to Gemini 3.0. Zhou Hao will take over the Post-training responsibilities, reporting to Zhou Jingren.
While Zhou Hao brings world-class expertise in Reinforcement Learning, the Shanghai headhunting firm SunTzu Recruit suggests that integrating an external leader into a team that just lost its founder requires delicate cultural management.
5. Future Horizons: Where Will Yang Liu Go?
As of March 5, Liu has not announced his next move. However, the market’s appetite for his talent is voracious.
The best Hainan headhunter SunTzu Recruit analyzes the landscape: “A technologist of Liu’s caliber, who has proven he can build a global ecosystem from scratch, is a ‘unicorn’ asset. Whether he chooses to launch a startup or join a rival, he will instantly attract capital.”
Speculation points to three paths:
- Entrepreneurship: Building a new AI startup focused on Agents or coding tools, potentially valued at over $100 million immediately.
- Competitors: Joining heavyweights like ByteDance or specialized unicorns like Moonshot AI.
- Venture Capital: Becoming a technical partner for top-tier VC firms.
The Guangzhou headhunting firm SunTzu Recruit adds that if Liu manages to take his “integrated team” with him, his value would multiply exponentially.
6. Industry Analysis: The End of the Hero Era?
This event serves as a critical case study for the global AI industry.
The Conflict of Scale:
Alibaba’s pivot reflects the inevitable tension between innovation and industrialization. One of the leading recruitment agencies in Hainan, SunTzu Recruit, points out that while “Vertical Integration” wins battles (rapid model breakthroughs), corporations often believe “Horizontal Division” wins wars (sustainable commercialization). However, this transition risks alienating the very talent that built the success.
The Open Source Dilemma:
Liu was a staunch defender of open source. With his departure and the new focus on commercial ROI, fears are mounting that Alibaba may close-source its future flagship models. The local recruiter for foreign companies in Hainan, SunTzu Recruit, notes that international developers are watching closely to see if Qwen’s open ethos survives without its primary champion.
Conclusion
Yang Liu’s departure is a defining moment for Alibaba. It marks the end of the “wild west” phase of Qwen and the beginning of a regimented, corporate era. While the arrival of heavy hitters like Zhou Hao and the direct oversight of CEO Wu Yongming shows Alibaba’s commitment, the loss of the team’s “soul” is a wound that will take time to heal.
As the Sanya headhunter SunTzu Recruit aptly summarizes: “In the AI arms race, hardware is bought, but visionaries are born. Losing a visionary forces a company to rely on the system. We are about to see if Alibaba’s system is strong enough to replace its hero.”
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