Two MoTacon attendees are on the left. The MoTaacon logo is in the center, and to the right a prompt to Get Your Ticket.

Test Oracle

Test Oracle image
A reference point used to decide whether a test has passed or failed. For LLM testing this becomes unreliable because multiple valid outputs can exist for the same input.

So what? The absence of a stable oracle is one of the central challenges of AI testing. Techniques like metamorphic testing exist partly to work around it by checking consistency rather than correctness.

Example: "Who was the first president of the USA?" has a clear oracle. A summarisation request does not. 

"The 'expected result' can be determined, but will always have some ambiguity. Comparing it to the 'actual result' won't be as straightforward as you are used to." — Demi Van Malcot
Explore MoT
Influence, from the other side of the table image
What I learned about influence by becoming a stakeholder
Prompting for Testers image
Unleash the power of generative AI to boost your software testing and day-to-day tech tasks
This Week in Quality image
Debrief the week in Quality via a community radio show hosted by Simon Tomes and members of the community
Subscribe to our newsletter