Pu Ning, Quan Chen, Kun Tao, Xinyu Tang, Tianshu Wang, Qianggang Cao, Xinyu Kong, Zujie Wen, Zhiqiang Zhang, Jun Zhou
4 min
Abstract
Large language models are increasingly expected to handle complex, long-horizon real-world tasks whose context demands can grow without bound, yet model context windows remain inherently finite. Recent work explores a paradigm where a main agent decomposes tasks and dispatches subtasks to subagents, which execute and return only summarized results, conserving the main agent's context budget. However, performing this well requires delegation intelligence: the ability to decompose complex tasks, determine when and what to delegate, and integrate returned results into the ongoing workflow. Training data for this capability is scarce in naturally occurring text, and to our knowledge, how to synthesize such data and train models to acquire this capability remains largely unexplored in the open-source community. To bridge this gap, we present a preliminary exploration targeting deep research, a representative long-horizon agent task. Specifically, we design a harness that guides the model toward high-quality task decomposition and delegation, while constraining subagents to return results properly to support the main agent's workflow. The harness-guided trajectories naturally encode correct delegation decisions, which we use as supervised fine-tuning data to internalize delegation intelligence into model weights. Our resulting model, SearchSwarm-30B-A3B, achieves 68.1 on BrowseComp and 73.3 on BrowseComp-ZH, the best results among all models of comparable scale. We will release our harness, model weights, and training data to facilitate future research.
Alex: So the real insight here isn't that the AI is getting smarter in some abstract sense — it's that it's getting better at managing its own limitations?
Sam: Precisely. And the researchers reinforce this through the training process itself. They use a technique called "Supervised Fine-Tuning" — which is essentially showing the model many examples of *ideal* research behavior. Not just correct answers, but correct *processes*: how to break a question down, how to brief a sub-agent clearly, how to verify a result before accepting it. The model learns that organizing its own research is just as important as the information it finds.
Alex: That's a meaningful shift in how we think about AI capability. It's less about raw intelligence and more about good habits of mind.
Sam: And it has a practical implication worth noting. If the limiting factor is organization rather than model size, then you don't necessarily need to build a larger, more expensive system to get better results. You need to teach the system to work more carefully with what it already has. SearchSwarm is one attempt to do exactly that.
Alex: That's a genuinely useful framing — and it makes you wonder how much of what we call "intelligence," in humans or in machines, is really just disciplined attention management. Thanks for listening to ResearchPod.