Four Sigmatic vs Stumptown: Coffee Comparison (2026)

An independent side-by-side comparison of Four Sigmatic and Stumptown 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…
Stumptown: tracking…
Perplexity
Four Sigmatic: tracking…
Stumptown: tracking…
Gemini
Four Sigmatic: tracking…
Stumptown: tracking…
Claude
Four Sigmatic: tracking…
Stumptown: 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
Stumptown
Starting price
Free trial / sample
stumptowncoffee.com

Key Highlights

Four Sigmatic

Product data is being indexed.

Stumptown

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 Stumptown

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

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