Developer Tools
Test LLMs Side-by-Side
Last updated 2026-06-17 · benchmark measured 2026-07-31 — deterministic & reproducible
Local-first desktop client for testing and benchmarking prompts across multiple LLMs.
Is Test LLMs Side-by-Side production-ready?
Legit.Show scores Test LLMs Side-by-Side 66 out of 100 — the simple average of its 6 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Test LLMs Side-by-Side (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. 6 of the seven frames returned a score; Accessibility was not measurable on this service and is recorded as null — not as zero. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 80/100
- Accessibility — not measurable on this service (null — not scored as 0)
- Security — 25/100
- Privacy — 70/100
- Reliability — 100/100
- Standards — 75/100
- Discoverability — 45/100
What we measured
- No Content-Security-Policy and no HSTS.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 90 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
- Discoverable: sitemap.
Who it's for
Prompt engineers · AI developers · QA engineers · ML practitioners · LLM evaluators
Pricing
$29 permanent license (one-time purchase); no monthly fees; volume licensing available for teams.