How We Test AI Coding Tools and Conduct Research
Every score, ranking, and “winner” on this site comes from a repeatable process, not a vibe check. This page documents exactly how — so you can judge our conclusions the same way you’d judge a pull request: by checking the diff.
01 Why this page exists
Most “best AI coding tool” content on the web is written from a spec sheet, not a keyboard. We don’t do that. But “I tested it myself” is a claim anyone can make and nobody can check — so instead of asking you to trust the claim, we’re publishing the process behind it.
If you’re comparing our AI Tool Tests to a competitor’s, this is the page that should make the difference obvious.
02 Test environment
Fixed, disclosed, and pinned per article so results are reproducible.
Hardware baseline
Tests run on a consistent local + cloud IDE setup. Any test requiring GPU or heavier compute is flagged explicitly in that article’s intro.
Codebase fixtures
Each comparison uses a shared, versioned test repository (a small real-world app, not a toy snippet) so every tool sees identical context.
Tool versions
Exact version/build number of every tool tested is listed at the top of the article, with the test date. Version drift is the #1 reason AI tool comparisons go stale.
Prompt parity
Where tools are prompt-driven, the same prompt wording and task order is used across all of them. Deviations (a tool requiring different phrasing to function) are noted, not hidden.
03 The scoring rubric
We call it the SHIP framework internally — it’s our own scoring model for grading AI coding tools, not a third-party or industry-standard metric.
| Criterion | What it measures |
|---|---|
| Speed | Time to a working, compilable result on the fixture task — not time to first token. |
| Handling | How the tool behaves on edge cases and ambiguous instructions, not just the happy path. |
| Integration | Friction to get the tool working inside a real project: setup, auth, IDE fit, CI compatibility. |
| Price-to-value | Cost per meaningfully-completed task at the tool’s real-world usage tier, not the marketing tier. |
04 Update and re-test policy
- Major version releases (new model, new IDE integration, pricing change) trigger a re-test within 2–3 weeks of general availability.
- Every comparison article carries a visible “last verified” date near the top — not just the publish date.
- Pricing and free-tier limits are treated as volatile by default. Where we state a number, we link the vendor’s current pricing page alongside it rather than asking you to trust a static figure.
- Deprecated or discontinued tools are marked at the top of the article rather than silently removed, so historical comparisons stay useful for context.
05 Disclosure
Some tools reviewed on this site have affiliate relationships with us. This never changes a score after the fact — the SHIP rubric is applied first, the affiliate link is added after, and any tool that scores poorly says so, affiliate relationship or not. Where a relationship exists, it’s disclosed directly inside that article, not buried in a footer.
06 Corrections
If a number, a claim, or a test result in one of our articles is wrong or has gone stale, tell us — via the contact page or a comment on the article itself. We fix the article and note the correction at the bottom with a date. We don’t quietly edit claims without a trace.