Legit.Show measured Brilliant's Security frame at 80/100. Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy. Served over HTTPS with a valid certificate.

How does Legit.Show measure Brilliant?

Legit.Show scores seven frames — Performance, Accessibility, Security, Privacy, Reliability, Standards and Discoverability — deterministically from the public surface (URL, HTTP headers, real Lighthouse), with no LLM in the scoring path. See legit.show/methodology.

Design & Creative

Brilliant

Last updated 2026-09-01 · benchmark measured 2026-09-01 — deterministic & reproducible

Brilliant is a design tool with built-in AI chat, private projects, and team collaboration.

89/100

7/7 frames

Top 16% of 14,124 measured

Legit Benchmark — the simple average of 7 measured frames. Frames we could not measure are left out of the average, never counted as zero. Every frame is shown below with its evidence.

Checked 2026-09-01 · scores move as sites change

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To cite this score: legit.show/s/brilliant-design/2026-09-01. That address never changes; this page moves with every re-measure.

Legit.Show scored Brilliant 89/100 on 2026-09-01, measured across all 7 frames from its public surface. legit.show/s/brilliant-design/2026-09-01

Is Brilliant production-ready?

Legit.Show scores Brilliant 89 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Brilliant (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Performance. Every frame it averages is published with its evidence on the Legit.Show listing.

The 7 Frames

Performance — 57/100
Accessibility — 96/100
Security — 80/100
How this compares across the catalogue: The Web Security Baseline
Privacy — 100/100
How this compares across the catalogue: The Privacy Gap
Reliability — 100/100
Standards — 92/100
Discoverability — 100/100

What we measured

Security headers present: HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy.
No Content-Security-Policy.
Served over HTTPS with a valid certificate.
Real Lighthouse performance run — 279 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.

Who built it

Amichai Mantinband · product account @usebrilliant

Who it's for

Product designers · Design engineers · Product managers · Design system leads · Founders & small teams

Pricing

Personal: $16/month (annual) or $20/month (monthly); Team: $20/seat/month (annual) or $25/seat/month (monthly) with 2-seat minimum; Free plan with 2GB storage

Sources and updates

Description: Taken from brilliant.design's own website on 2026-09-01.
Operator: Brilliant Design Ltd., as named in brilliant.design's terms, privacy page or footer.
Benchmark: Measured by Legit.Show from the live site, the way any visitor sees it — with no access to its code or accounts. Same method for every product, and no AI decides the score. Last checked 2026-09-01.

Put together from public information, without Brilliant's involvement. If anything here is wrong, tell us and a person will check it.

Visit Brilliant → · Alternatives to Brilliant → · How this was measured →