Four Sigmatic vs Onyx Coffee Lab: Coffee Comparison (2026)

An independent side-by-side comparison of Four Sigmatic and Onyx Coffee Lab for coffee shoppers — pricing, hero products, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each brand is cited by major AI engines when shoppers ask coffee questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days.

ChatGPT
Four Sigmatic: tracking…
Onyx Coffee Lab: tracking…
Perplexity
Four Sigmatic: tracking…
Onyx Coffee Lab: tracking…
Gemini
Four Sigmatic: tracking…
Onyx Coffee Lab: tracking…
Claude
Four Sigmatic: tracking…
Onyx Coffee Lab: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

Four Sigmatic
Starting price
Free trial / sample
foursigmatic.com
Onyx Coffee Lab
Starting price
Free trial / sample
onyxcoffeelab.com

Key Highlights

Four Sigmatic

Product data is being indexed.

Onyx Coffee Lab

Product data is being indexed.

When to choose Four Sigmatic

Choose Four Sigmatic if its strengths align with what matters most for your purchase. Full guidance populates as Four Sigmatic's product data is indexed.

When to choose Onyx Coffee Lab

Choose Onyx Coffee Lab if its strengths align with what matters most for your purchase. Full guidance populates as Onyx Coffee Lab's product data is indexed.

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