VZ editorial frame
Read this piece through one operating lens: AI does not automate first, it amplifies first. If the underlying decision architecture is clear, AI scales clarity. If it is noisy, AI scales noise and cost.
VZ Lens
Through a VZ lens, this is not content for trend consumption - it is a decision signal. In an AI-saturated market, durable edge comes from proprietary behavioral data loops. This is where defensibility shifts from model access to signal quality. The real leverage appears when the insight is translated into explicit operating choices.
TL;DR
In agent systems, the strategic competition is shifting from model selection to the quality and collection of behavioral training data. The reasoning capabilities of frontier models are converging, so the decisive factors are the quality of the traces and a realistic training environment. For example, a well-fine-tuned 27B model can outperform Claude Sonnet 4 by 60% if it learns from better evaluation and training data.
In the debate about agents, there is a lot of talk about models.
Which one thinks better? Which one has stronger reasoning capabilities? Which API should you call for a complex workflow?
These are valid questions. But while we focus on these, another race is accelerating in the background—one that is likely more strategically important.
Who can collect better agent training data.
This shift is no accident. It is a logical consequence of how the AI market is maturing. And those who recognize this now will gain a significant strategic advantage over those who continue to focus solely on model selection.
What has changed in agent systems?
The model is no longer the bottleneck
Two or three years ago, the performance of agent systems was heavily determined by which base model they were built on. A GPT-4-based agent produced significantly better results than one built on a weaker model—in nearly every dimension.
This is increasingly less true today.
The reason: the capabilities of frontier models have improved dramatically and are converging. Reasoning ability—the kind of step-by-step thinking that makes agents effective—is no longer a privilege but a standard feature in leading model families. Claude, GPT-4o, Gemini, and even fine-tuned open models for specific tasks all provide a solid reasoning foundation for an agent system.
If the model is no longer the bottleneck, then what is?
What research is increasingly showing
Agent performance is increasingly determined by:
- What behavioral patterns did the agent observe during training? — that is, what traces and decision sequences make up the training data
- In what environment did it learn? — how realistic are the tasks, and how large is the distribution gap between the training and production environments
- What error patterns were it given feedback on? — what was marked as correct, what as incorrect, and with what level of granularity
- How realistic were the tasks it practiced on? — to what extent do the test tasks reflect real-world use cases
Together, these dimensions determine how reliable an agent system is, how effective it is, and how well it “knows what it’s doing” in production.
A strong base model with weak training data yields a mediocre agent system. However, a suitable base model combined with excellent, carefully designed agent training data can outperform the former.
Why is this important now?
At the Dawn of the Agent Era
The AI industry entered the first substantive phase of the agent era in 2024–2025. From the simple chatbot paradigm—question-answer, single-turn—to the agent paradigm: planning, executing actions, providing feedback, adapting, and invoking tools.
This shift has increased the strategic value of behavioral data. For a chatbot, training data consists mainly of text-to-text matching. For an agent, it is much more complex: sequential decisions, environmental states, tool usage, error detection and correction, and the execution of multi-step plans.
This richer structure means that the quality of the trace—the level of detail with which the agent’s decision-making process is documented—is directly linked to the system’s learning efficiency.
The Rise of Open Initiatives
An increasing number of open projects are recognizing this dynamic. OpenThoughts and similar open agent dataset initiatives do not just publish model weights—they also provide:
- Agent traces: detailed, step-by-step decision sequences
- Environmental tasks: descriptions of training tasks and evaluation criteria
- Benchmarks: the methodology for measuring agent performance
- Training recipes: how to combine all of this into an effectively learning system
This is where the strategic value of the open ecosystem becomes apparent: not only is the base model democratized, but so is the agent training infrastructure.
Where did public discourse go wrong?
Agent performance as model performance — the category error
Many people simply view the performance of agent systems as the inherent capabilities of the model. If the agent performs poorly, it is because the model is weak. If we choose a better model, the agent improves.
This is partly true—but fundamentally misleading.
The truth is: agent performance is a system-level phenomenon. It depends on:
- the base model (indeed),
- prompt design,
- tool definitions,
- memory management,
- error-handling logic,
- feedback loops,
- and behavioral training data.
The model is just one element on this list—and not always the decisive one.
The Parsed + Together AI case study, which we analyzed in a previous article, demonstrated exactly this: a carefully fine-tuned 27B open model outperformed the state-of-the-art Claude Sonnet 4 by 60%—on a well-defined, domain-specific task. The decisive factor was not model size, but the quality of the evaluation and training data.
In agent systems, this same logic applies even more strongly because interactions are more complex and errors are cascading.
Confusing trace quality with training data quality
Often, the concept of “good training data” is simply reduced to quantity: more traces = a better agent.
This is the same misconception we saw with synthetic data: OpenThinker’s 114,000 carefully curated data points outperformed DeepSeek’s 800,000 raw data points. This is even more true for agent training data.
The dimensions of trace quality must be evaluated separately:
- Explicitness of steps: Does the trace document the reasons behind decisions, not just the outputs?
- Representation of failure modes: Does the dataset include failed sequences and their corrections?
- Environment realism: To what extent do the training tasks reflect the reality of the production environment?
- Reward granularity: Does the entire sequence receive a single evaluation score, or is there step-by-step feedback?
These four dimensions better define the value of training data than mere volume.
What deeper pattern emerges?
The classic technology maturity cycle
The growing importance of behavioral data is not a unique AI phenomenon—it is part of the classic technology maturity cycle.
A similar pattern can be observed with every technology platform:
- Compute phase: Raw computing capacity is the bottleneck—whoever has more wins
- Tooling phase: The quality of development tools makes the difference—who can develop faster and more efficiently?
- Workflow phase: process integration becomes decisive — how is the technology integrated into actual operations?
- Operational data phase: real-world operational data, error patterns, and success patterns will become the primary tools
The AI stack fits precisely into this pattern:
- The compute phase is complete — accessing frontier models is relatively simple today
- The tooling phase is underway — LangChain, CrewAI, Autogen, LlamaIndex — agent development tooling is proliferating
- The workflow phase has begun — who is integrating more deeply, who is building a more reliable production pipeline?
- The operational data phase—the strategic accumulation of behavioral data—is now becoming truly important
Organizations that recognize that the operational data phase is approaching will start early to build a tool that will become a key differentiator over the next three to five years.
The agent trace as an organizational knowledge base
The agent trace is a unique document: it contains not only the output but also the decision-making process. How did the agent plan the task? What tools did they call upon? Where did they make a mistake? How did they correct it?
This is an extremely valuable knowledge base—and most organizations do not store, structure, or utilize it.
Let’s think about it: if a customer service agent interacts with thousands of customers daily, and we save the complete decision sequence for every interaction, within a month we’ll have a behavioral database that:
- Shows the most common error patterns
- Identifies where the agent needs help or human intervention
- Contains successful resolution patterns
- Documents exception-handling logic
This internal trace database, if properly curated and utilized, is exactly the kind of data that can be used to build a drastically improved agent system in the next iteration.
Reward Shaping as an Architectural Decision
In agent training, the reward signal—what constitutes good performance—is not a trivial matter.
A weak reward signal: the agent completes the task / does not complete it. Binary, without step-by-step feedback.
A strong reward signal: every step in the agent’s decision sequence is evaluated. The success of sub-steps is measured separately. The appropriateness of the chosen tool is evaluated. The quality of communication, efficiency, safety considerations—all of these receive feedback.
This difference is not a technical detail—it is one of the most important architectural decisions in developing an agent system. Good reward shaping is like a good educational program: it not only tells you whether the end result was correct, but also guides the learning process.
What are the strategic implications of this?
How does an organization build an agent data moat?
1. Implementing trace logging. The first step is simple, but missing in many organizations: full trace logging for every agent interaction. Not just the output—the entire decision sequence, tool calls, and intermediate states.
2. Error taxonomy for agent behavior. Build an error taxonomy from the collected traces. What types of errors occur? What are the most common and most severe error modes? This is the structure that will guide the subsequent training data generation.
3. Training data selection. Identifying the most valuable training examples from the trace database: successful solutions, well-handled exceptions, and—particularly valuable—correctly corrected errors.
4. Environment design. Structuring the internal agent benchmark: on what tasks is the agent’s performance measured? These must realistically reflect production tasks, not synthetic, detached benchmarks.
5. Feedback loop from production. Regular feedback of production errors and human interventions into the training data. Where a human operator corrects the agent’s decision—that is the gold standard of training data.
The key issue of evaluation realism
Most agent benchmarks are non-production in nature. User-friendly, isolated, well-defined tasks—which are far removed from what the agent actually does in live conditions.
This is the problem of evaluation realism: if the evaluation system does not reflect real production conditions, the agent’s learning may diverge from actual needs.
Building your own internal, production-like agent benchmark is therefore not a luxury—it is the foundation of the entire agent development cycle. Without it, it is impossible to tell whether a new training iteration has actually improved the agent’s production performance.
Where does this create a competitive advantage?
Accumulation of trace quality. A well-documented, carefully curated trace database becomes more valuable over time—because it always reflects current production tasks and is harder to replicate than the base model.
Environment design expertise. Understanding the task environment in which the agent must learn requires domain knowledge that competitors cannot easily replicate.
Operational data monopoly. A trace database built from proprietary operational data is unique. No one else has access to the organization’s own production data.
Refinement of reward shaping. Over the course of iterations, the reward signal becomes increasingly accurate—this translates into a cumulative learning advantage.
What should we be watching now?
The evolution of the open ecosystem for agent data
Open agent dataset initiatives—OpenThoughts, AgentBench, WebArena, ToolBench—are making increasingly rich training data sources available. These democratize the foundation of general agent capabilities.
However, the competition begins where open data ends: in the realm of domain-specific, near-production agent traces.
From RLHF to RLAIF
Reinforcement Learning from Human Feedback (RLHF) is the current standard for agent fine-tuning. Human evaluators provide feedback on the agent’s behavior.
The next direction of development: RLAIF — Reinforcement Learning from AI Feedback. A powerful evaluation model automatically evaluates the agent’s decision sequences. This enables a radical acceleration of the feedback cycle — and thus an increase in the agent’s learning iteration speed.
Where the feedback cycle can be automated, the learning speed increases exponentially.
Process Reward Models in Agent Development
Process Reward Models (PRM)—where it is not the output that is evaluated, but rather each individual step—are particularly promising in agent training. This is the technology that enables granular feedback at every point in the decision sequence.
PRM-based agent training will be one of the key development directions in the coming years.
Conclusion
The next chapter in the AI race will not be decided by models alone.
Models are necessary—but increasingly, they are prerequisites rather than differentiators. Any organization that views the strategic value of agent systems solely in terms of model selection is making a fundamental tactical error.
The source of a sustainable agent advantage lies in behavioral data: in the quality of traces, the reliability of environment design, the precision of reward shaping, and the regularity of production feedback.
This is the same logic we saw in the classic software industry: raw compute is followed by tooling, tooling by workflow, and workflow by operational data, which becomes the most valuable strategic asset.
In the age of agents, real-world experience—not textbook knowledge—is what matters.
Related articles on the blog
- Evaluation moat: the new competitive advantage isn’t the model, but the measurement system
- Synthetic data and the learning flywheel: the accelerator that many still underestimate
- Proprietary data, open weights: the new corporate formula for AI
- Vertical AI: Why Does a Smaller, Specialized Model Beat a State-of-the-Art System?
- LoRA and the Commoditization of AI: Fine-Tuning Is the New Weapon
Key Takeaways
- The model is no longer the only bottleneck — The reasoning capabilities of leading base models are at nearly the same level, so the agent’s performance is increasingly determined by the quality of the training data.
- Agent performance is a system-level phenomenon — In addition to the model, prompt design, tools, memory management, and, most importantly, behavioral training data collectively determine the system’s efficiency.
- Trace quality is more critical than quantity — The value of an agent dataset is determined by the explicit documentation of steps, the representation of failure modes, the realism of the environment, and granular feedback, not by the number of raw traces.
- The AI stack is entering the operational data phase — According to the technology maturity cycle, following the compute and tooling phases, the accumulation of real, operational behavioral data is now becoming a strategic advantage.
- Open initiatives are building infrastructure — Projects like OpenThoughts are making not only models but also agent traces, benchmarks, and training recipes publicly available, democratizing agent training knowledge.
Strategic Synthesis
- Translate the core idea of “Agent Data Advantage: Behavioral Moats in the AI Economy” into one concrete operating decision for the next 30 days.
- Define the trust and quality signals you will monitor weekly to validate progress.
- Run a short feedback loop: measure, refine, and re-prioritize based on real outcomes.
Next step
If you want your brand to be represented with context quality and citation strength in AI systems, start with a practical baseline and a priority sequence.