How to compare AI answers for coding questions
2026-11-14 · 2 min read
AI assistants often disagree on code. A short routine for testing their answers — run it, read it, and cross-check the parts that matter.
Code that looks right is not code that works
Every AI assistant can produce confident, tidy code that does not run, uses a function that does not exist, or solves a slightly different problem than the one you asked about. Comparing two or three assistants helps because their mistakes tend to differ. Where they agree, you can be more relaxed; where they disagree, you have found the part to look at carefully.
The goal is not to find the smartest assistant but to get to working code faster and with fewer surprises.
Write a prompt that can be compared
Give every assistant the same prompt, and include what makes the answer checkable: the language and version, the framework, the exact error message if you have one, a small example of input and expected output, and any constraint such as “no extra libraries”. A vague prompt gets three vague answers that cannot be fairly compared.
Use Ask Everywhere to send the identical prompt to several assistants at once so none of them gets a head start.
Run it before you judge it
Copy each answer into your editor and run it against your small example. Does it work? Does it handle the edge case you care about, such as an empty list or a missing value? A working answer with an ugly style beats an elegant one that fails.
If code fails, paste the real error back into the same assistant. How well it fixes its own mistake is useful information about how much to trust it.
Cross-check what you cannot test
Some things cannot be seen by running a snippet: security, performance, behaviour with real data. For those, ask a second assistant to review the first one’s code and explain every line. Then check any unfamiliar function or option against the official documentation of the library, not against another AI’s description of it.
Be especially careful with anything that touches passwords, payments, file deletion or user data. Read it line by line yourself.
Keep a small log
Note which assistant solved which kind of problem — debugging, explaining, writing tests, converting between languages. After a few weeks you will know which one to try first for each job, and you will use the comparison only for the hard questions where it pays off.