# yaml-language-server: $schema=https://promptfoo.dev/config-schema.json description: Comparing OpenAI flagship models performance on riddles prompts: - 'Solve this riddle: {{riddle}}' providers: - openai:chat:gpt-5.4 - openai:chat:gpt-5.4-mini defaultTest: assert: # Inference should always cost less than this (USD) - type: cost threshold: 0.01 # Inference should always be faster than this (milliseconds) - type: latency threshold: 10000 tests: - vars: riddle: 'I speak without a mouth and hear without ears. I have no body, but I come alive with wind. What am I?' assert: # Make sure the LLM output contains this word - type: contains value: echo # Use model-graded assertions to enforce free-form instructions - type: llm-rubric value: Do not apologize - vars: riddle: "You see a boat filled with people. It has not sunk, but when you look again you don't see a single person on the boat. Why?" assert: - type: llm-rubric value: explains that there are no single people (they are all married) - vars: riddle: 'The more of this there is, the less you see. What is it?' assert: - type: contains value: darkness - vars: riddle: >- I have keys but no locks. I have space but no room. You can enter, but can't go outside. What am I? - vars: riddle: >- I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I? - vars: riddle: What can travel around the world while staying in a corner? - vars: riddle: Forward I am heavy, but backward I am not. What am I? - vars: riddle: >- The person who makes it, sells it. The person who buys it, never uses it. The person who uses it, doesn't know they're using it. What is it? - vars: riddle: I can be cracked, made, told, and played. What am I? - vars: riddle: What has keys but can't open locks? - vars: riddle: >- I'm light as a feather, yet the strongest person can't hold me for much more than a minute. What am I? - vars: riddle: >- I can fly without wings, I can cry without eyes. Whenever I go, darkness follows me. What am I? - vars: riddle: >- I am taken from a mine, and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I? - vars: riddle: >- David's father has three sons: Snap, Crackle, and _____? What is the name of the third son? - vars: riddle: >- I am light as a feather, but even the world's strongest man couldn't hold me for much longer than a minute. What am I?