As artificial intelligence moves beyond execution and into decision-making, trust becomes central to design.
Key Takeaways:
-
Trust depends on striking the right balance between system autonomy and user involvement. When systems overreach or fail to signal uncertainty, user confidence fades.
Balancing action and autonomy in agentic AI
While this unlocks numerous productivity gains, this transition exposes a critical gap: execution can be measured and optimized, but judgment is harder to define, especially when inputs are partial and priorities may be unclear. In many real-world scenarios, there is no single “correct” answer, only decisions that (for better or worse) reflect a user’s intent.
This is where many systems begin to strain. An agent can follow instructions precisely and still miss the point of a task. These failures reflect how the system interprets context, weighs tradeoffs, and selects an outcome when the path forward is open-ended.
Even more challenging, these systems often operate in environments where conditions are inconsistent, preferences shift, risk tolerance changes, and context evolves. Systems designed around static assumptions will naturally struggle to keep pace.
Where agentic AI falls short of human judgement
Across deployments, a consistent set of issues appears when agentic systems move beyond controlled environments:
-
Outcomes can be technically sound but misaligned with expectations. The system completes the task as instructed, yet the result feels off because something important was missing (for instance, context, priority, or nuance).
-
Human judgment does not operate as a fixed set of rules. It adapts constantly to timing, emotion, competing goals, and perceived risk. Systems that cannot adjust in similar ways tend to drift, even if their underlying logic is sound.
-
Expectations change constantly. As AI advances, users increasingly treat agentic systems as extensions of their own decision-making. They are not only looking for answers, they are looking for systems that mimic their approach to tough choices
These gaps are easy to miss in narrow use cases, but they become more obvious when variability increases and decisions require interpretation rather than execution.
How trust erodes in AI systems
Over time, users start to see recommendations that overlook nuance, decisions made with more confidence than the situation warrants, or an output that requires more than a second look. Each instance may seem minor, but they can compound and change how the system is perceived.
These patterns reflect a precarious mix of error and misalignment. Users are generally willing to tolerate mistakes if the system’s reasoning feels consistent with their intent and enough transparency exists to help diagnose the underlying cause. On the other hand, confidence drops when decisions feel out of sync with how the user would have approached the same situation.
How agents handle uncertainty plays a central role here. Systems that acknowledge limits by framing outputs as recommendations or signaling when additional input may be needed can help users calibrate trust. Systems that present conclusions without that context take on more authority than they can consistently support. Over time, that mismatch becomes difficult to correct.
Where human judgement matters most
The boundary between agent autonomy and human involvement is not fixed. It shifts with context.
More effective systems treat this as a dynamic exchange, and the agent helps structure the decision—surfacing options, outlining tradeoffs, clarifying implications—then steps back when conditions warrant human intervention.
These moments tend to follow consistent patterns. They involve meaningful exposure to risk, competing priorities, or decisions shaped by individual experience and values. These aren’t exceptions or edge cases, they are critical junctures in which human judgment carries real weight.
In these moments, human involvement doesn’t signal system failure. It reflects a deliberate (and likely necessary) strategic choice: recognizing where judgment can’t be standardized and must remain part of the process by design, not as a workaround.
What this means for the future of agentic design
This requires ongoing attention. Alignment doesn’t stop at deployment, it needs to be monitored over time and as conditions, users, and expectations evolve. The challenge is persistent, and systems are expected to operate in environments where the “right” decision is often different from one day to the next.
Agentic AI is moving into areas where decisions carry real weight. For the teams building these systems, the question is not only what can be automated, but what should be—and where human judgment needs to remain part of the process.
Want to learn more? Explore FCAT's AI and Design research.
References & Disclaimers
The opinions provided are those of the author and not necessarily those of Fidelity Investments or its affiliates. Fidelity does not assume any duty to update any of the information. Fidelity and any other third parties mentioned are independent entities and not affiliated. Mentioning them does not suggest a recommendation or endorsement by Fidelity.
© 2026 FMR LLC. All Rights Reserved. 1263975.1.0
Related posts
Technology & Society, Artificial Intelligence
Eliminating AI Bias: A Human + Machine Approach
By: Susan Fabry
August 27, 2020
Bias in AI is a known problem. Cases involving medical care, parole, recruiting, and loans have all been tainted by flawed data sampling or training data that includes biased human decisions.1 The good news: large organizations are waking up. Even...
Technology & Society, Artificial Intelligence
The Cost of Manipulating AI
By: Susan Fabry
June 23, 2021
We’ve all received email messages with misspellings, designed to outsmart AI-driven spam filters. Perhaps you’ve also heard about how a two-inch piece of tape tricked Tesla cars into speeding up 50 miles per hour.1 What these and hundreds of other...
Technology & Society, Artificial Intelligence
How AI Can Foster Inclusion
By: Susan Fabry
December 9, 2021
We've spent a lot of time discussing the unintended bias that can easily creep into AI algorithms. But the same technology, properly designed and trained, can also be used to confront biases. A new generation of automated tools seeks to proactively...