Back to Blog
Comparison

Emily Watson7 min
End

Your team has a hundred automation bots running across finance, HR, and operations. Some of them are solid, but most live on a maintenance treadmill. Every time an app updates, the bot breaks and a developer rebuilds the flowchart. Meanwhile, the real work lives in your standard operating procedures, written in plain English, but only humans can execute them. When a process fails, you cannot see what happened, you cannot prove compliance, and you cannot rerun it without someone on the shop floor. That is the audit gap.

Why RPA breaks here

Traditional RPA relies on selectors, XPath, and object IDs. When a UI element moves, changes name, or is hidden by a new release, the bot stops and throws an exception. Gartner estimates that most RPA projects spend 30 to 50 percent of their total cost on maintenance and rework. A single UI change can require a full refactor, not just a quick fix. For processes that change frequently or sit on legacy platforms, that cost becomes a perpetual burden. You never finish building robots. You only finish maintaining them.

What changes with computer use agents

  • Survives UI changes: Instead of brittle selectors, agents see the screen and act like a human.
  • No brittle selectors required: The model reads visual cues rather than relying on frozen IDs.
  • Recovers from exceptions: When something unexpected happens, the agent can reason and try a different path.
  • Follows the SOP as written: A plain English procedure is already a prompt for a computer use agent.
  • Works on legacy and Citrix: Because agents interact like a person, they can run where RPA struggles.
  • Auditable action log: Every click, keystroke, and decision is captured so you can trace a run to the SOP step.

With computer use agents, you audit what an agent did by comparing its actions directly to your SOP.

How to move without the risk

You do not need to rip out all RPA at once. Start with one high-pain, SOP-heavy process where UI changes frequently or the process lives on legacy systems. Export the current SOP. Run a pilot with a computer use agent. Compare the agent’s actions against the SOP line by line. Measure the impact on exception rates, manual overrides, and audit queries. Once you see the audit trail in action, expand to other processes. Keep high-volume, deterministic backend tasks on RPA if that is your current posture. The goal is a hybrid model where agents handle the changing, exception-heavy workflows and RPA handles the stable, high-volume back-end work. This phased approach lets you prove the value of agents without betting the whole automation program on a single technology.

If you want to close the audit gap and stop rebuilding bots every time an app changes, book a demo with the Coasty team at https://cal.com/coasty/15min .

© 2026 Coasty

Backed byYCombinator