A management team wants a weekly performance report. Data must be collected from several systems, checked, summarised and distributed. Someone proposes an AI agent to handle the entire process.
It sounds plausible. But if the calculations and reporting rules are stable, the organisation may need a governed data pipeline and dashboard. Conventional automation can handle fixed distribution rules. Generative AI might help explain unusual movements, but only the investigative component may require adaptive reasoning.
The important decision is not whether an agent can perform the work. It is whether an agent is the most appropriate, controllable and economical way to perform it.
Start with the workflow, not the technology
An AI initiative should begin with a specific operational outcome: a decision that needs better evidence, a task that consumes disproportionate effort, or a workflow that fails when conditions vary.
OpenAI describes agents as systems in which a model manages workflow execution and selects tools to complete a task. Its guidance identifies contextual decision-making, difficult-to-maintain rules and extensive unstructured information as stronger candidates for agents. Where these conditions are absent, a deterministic solution may be sufficient (OpenAI, n.d.).
Anthropic makes a related distinction. In a workflow, models and tools follow predefined paths; in an agent, the model dynamically determines how to proceed. It recommends beginning with the simplest workable solution because additional agency commonly introduces extra latency and cost (Anthropic, 2024).
A business process rarely consists of one uniform type of work. It can contain fixed calculations, exception detection, document interpretation, contextual decisions and actions that affect customers or operational records. The better architecture often combines different approaches at deliberate points.
Four different solution types
| Approach | Best suited to | Strength | Limitation |
|---|---|---|---|
| Analytics or dashboard | Performance, trends and exceptions | Consistent, traceable measures | Usually informs action rather than completing it |
| Deterministic automation | Stable rules and repeatable sequences | Predictability and testability | Handles ambiguity poorly |
| AI-assisted workflow | Interpretation, drafting and recommendations | Flexibility with retained human control | Requires purposeful review |
| AI agent | Variable, multi-step work requiring dynamic decisions and tools | Can adapt its route as the task develops | Harder to control, evaluate and maintain |
Analytics or dashboard
Use analytics when the primary need is to understand what happened, why it happened or where attention is required. It is particularly effective when data definitions are stable and users need trusted measures rather than autonomous action. Adding a conversational interface may improve access, but it does not automatically turn the solution into an agent.
Deterministic automation
Use deterministic automation when inputs, rules and expected actions can be defined in advance—for example, validating required fields or notifying an owner when a fixed condition is met. Google Cloud describes deterministic workflows as predictable sequences whose steps are known in advance; model-driven orchestration can add flexibility but also latency, cost and complexity (Google Cloud, 2026).
AI-assisted workflow
Use AI assistance when a model can perform a bounded cognitive task while a person or deterministic system remains responsible for the workflow. The model might summarise a document, classify an enquiry or draft an explanation. This can capture much of the value of language-model reasoning without granting unnecessary autonomy.
AI agent
An agent becomes appropriate when the system must decide how to pursue an objective, select among tools and adapt its actions as new information appears. Once it can act, permissions, stopping conditions, records and escalation routes become part of the design. Microsoft recommends human approval for actions that are difficult to reverse or affect people, money or compliance (Microsoft, 2026a).
A practical workflow suitability framework
No single score can determine whether an agent is justified. These seven dimensions are better used as a structured discussion.
1. Outcome clarity
Define what successful completion means. “Improve reporting” is not testable; “produce an approved weekly report containing reconciled measures, documented exceptions and links to source records” is more useful. NIST recommends specifying intended purpose, goals, expected benefits, costs and operating context (NIST, 2023).
2. Workflow variability
A stable sequence with known branches favours deterministic automation. An agent becomes more defensible when intermediate information materially changes the route and those variations cannot be maintained reasonably as fixed rules. A chaotic or undocumented process, however, may need clarification before any automation.
3. Need for contextual judgement
Identify the decisions that require interpretation. Comparing conflicting evidence or interpreting unusual documents can justify model reasoning. Exact calculations, policy thresholds and database constraints should generally remain deterministic.
4. Data readiness
Assess whether the information required at each step is accessible, current, authorised and sufficiently reliable. An agent cannot consistently compensate for absent definitions or contradictory sources; it may instead conceal those weaknesses behind plausible language. NIST’s Generative AI Profile treats data, context, testing and risk treatment as continuing responsibilities (NIST, 2024).
5. Ability to verify results
Determine how outputs and actions will be checked. Totals can be reconciled and required fields validated automatically; other results need expert judgement. AgentBench identified long-term reasoning, decision-making and instruction-following as material obstacles in its evaluated environments, reinforcing the need to test complete task execution rather than isolated responses (Liu et al., 2024).
6. Consequence and reversibility
A poor internal draft can be rejected. An incorrect payment, deleted record or external communication may be costly or impossible to reverse. Higher-consequence actions need narrower permissions and explicit approval. OpenAI recommends escalation for high-risk or irreversible actions (OpenAI, n.d.); Microsoft recommends least-privilege tools and human gates for sensitive actions (Microsoft, 2026b).
7. Economics and operational ownership
Estimate the complete operating model—not only prototype cost. Include integration, model use, response time, evaluation, human review, monitoring and adaptation when source systems change. Name the person accountable after release. A technically successful prototype without an operational owner is not a deployable service.
Three illustrative scenarios
These examples explain the framework; they are not client case studies.
Recurring performance reporting
For a weekly report using stable measures from known systems, a governed data model, scheduled pipeline and dashboard should form the core. Deterministic automation can distribute it and issue threshold-based notifications. AI might draft commentary on unusual movements, provided governed values are supplied and a person reviews the interpretation.
Open-ended research and synthesis
A request to compare an unfamiliar market has a definable deliverable but an unpredictable investigative route. Search terms, source selection and follow-up questions depend on intermediate findings. This supports a bounded Research Agent—provided it retains sources, separates evidence from inference, discloses gaps and leaves important conclusions for review.
Document processing and operational routing
AI may help interpret incoming documents with varied layouts. Deterministic checks should validate dates, identifiers and required fields. Straightforward cases can follow fixed automation; uncertain or contradictory cases should be escalated. If a later step must investigate missing information and choose a route, bounded agency may help. The architecture is mixed rather than uniformly agentic.
When not to build an agent
An agent is unlikely to be the right starting point when:
- the process follows stable, explicit rules;
- the real need is trusted reporting or better data access;
- required information is unavailable or poorly governed;
- nobody can define or verify successful completion;
- errors could cause serious harm and effective approval is impractical;
- the workflow lacks an operational owner;
- a single model call or assisted step addresses the cognitive requirement; or
- expected value does not justify ongoing evaluation and maintenance.
These conditions do not mean AI has no role. They mean the immediate work may be improving data, clarifying the process or introducing a narrower form of assistance.
Start with the smallest defensible system
A pilot should test the uncertain part of the proposition. Establish a baseline using the existing process or simplest non-agent alternative. Then test representative ordinary cases, exceptions and failure conditions. Evaluate the complete outcome—not whether an individual response merely sounds convincing.
Agent evaluation is more complex than conventional response testing because an agent operates over multiple turns, tools and intermediate states. Useful measures include task completion, tool-selection correctness, unsupported claims, human interventions, latency and cost per completed task (Anthropic, 2026).
Begin with read-only tools where possible. Add write access only when its value is demonstrated. Preserve human approval for consequential actions where the consequence demands human judgement.
McKinsey’s analysis of more than 50 agentic builds similarly argues for redesigning the complete workflow and selecting an appropriate combination of rules, analytical AI, generative AI and agents (McKinsey & Company, 2025).
The final architecture may be less visibly “agentic” than the original proposal. That can be a sign of better judgement rather than lower ambition.
Decision checklist
- Is the required outcome specific and measurable?
- Which parts are stable, and which genuinely vary?
- Where is contextual judgement required?
- Could analytics, rules or one bounded model call solve the problem?
- Are the data sources accessible, authorised and reliable?
- Can outputs and actions be verified?
- What are the consequences of error?
- Which actions are difficult to reverse?
- Where must a person review or approve the work?
- What permissions and stopping conditions will apply?
- What baseline will the system be compared with?
- Who will monitor, maintain and own the workflow?
- Does the expected value justify the full operating cost?
If these questions cannot yet be answered, the next step is workflow discovery—not agent development.
The choice between a dashboard, automation, AI assistance and an agent is not a technology ranking. Keep stable calculations and enforceable rules deterministic. Use AI where interpretation adds value, and reserve agency for work that genuinely requires adaptive decisions across multiple steps.
The right question is not “Where can we deploy an agent?” It is “What is the simplest system we can trust to complete this work?”
References
- Anthropic (2024) ‘Building effective agents’, 19 December. Accessed 14 September 2026.
- Anthropic (2026) ‘Demystifying evals for AI agents’. Accessed 14 September 2026.
- Google Cloud (2026) ‘Choose a design pattern for your agentic AI system’. Accessed 14 September 2026.
- Liu, X. et al. (2024) ‘AgentBench: Evaluating LLMs as agents’, ICLR 2024.
- McKinsey & Company (2025) ‘One year of agentic AI: Six lessons from the people doing the work’, 12 September. Accessed 14 September 2026.
- Microsoft (2026a) ‘Apply responsible AI’. Accessed 14 September 2026.
- Microsoft (2026b) ‘AI agent shared responsibility model’. Accessed 14 September 2026.
- NIST (2023) Artificial Intelligence Risk Management Framework (AI RMF 1.0), NIST AI 100-1.
- NIST (2024) Artificial Intelligence Risk Management Framework: Generative Artificial Intelligence Profile, NIST AI 600-1.
- OpenAI (n.d.) ‘A practical guide to building agents’. Accessed 14 September 2026.
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