Blue Bottle Coffee vs Kettl Matcha: 2026 Comparison
This 2026 comparison covers Blue Bottle Coffee and Kettl across price, testing transparency, heavy metal disclosure, and organic certification. On price, Blue Bottle Coffee is $1.75/g less expensive per gram ($1.00/g vs $2.75/g).
Verdict by Axis
No single overall winner is declared. The better choice depends on which axis matters most to you.
Price per gram
Blue Bottle Coffee
Blue Bottle Coffee is $1.75/g cheaper ($1.00/g vs $2.75/g).
Testing transparency
Kettl
Kettl is Tier 4 vs Unrated for Blue Bottle Coffee. Lower tier number means more disclosure.
Published lead level
Tie / indeterminate
Neither brand has published a numeric lead value. Cannot compare.
Origin
Tie / indeterminate
One or both brands have not publicly disclosed their leaf origin region.
Organic certification
Tie / indeterminate
Neither brand has a publicly confirmed organic certification.
Side-by-Side Spec Table
| Field | Blue Bottle Coffee | Kettl |
|---|---|---|
| Origin | Not disclosed | Uji, Yame, Shizuoka, Shiga, Japan |
| Grade | Not specified | Ceremonial |
| Price per gram | $1.00/gBetter | $2.75/g |
| Transparency tier | -- | Tier 4 |
| Publishes numeric COA | No | No |
| Third-party tested | No | No |
| Organic certification | None | Unspecified |
| Lead (published) | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Cadmium (published) | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Arsenic (published) | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Mercury (published) | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Pesticide tested | No | No |
| Last verified | June 27, 2026 | June 27, 2026 |
Origin
Grade
Price per gram
Transparency tier
Publishes numeric COA
Third-party tested
Organic certification
Lead (published)
Cadmium (published)
Arsenic (published)
Mercury (published)
Pesticide tested
Last verified
Heavy Metals and Safety Disclosure
Neither Blue Bottle Coffee nor Kettl has published numeric heavy metal values as of the last verification dates (June 27, 2026 and June 27, 2026 respectively). Without published ppb values, independent verification is not possible.
| Metal | Blue Bottle Coffee | Kettl |
|---|---|---|
| Lead | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Cadmium | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Arsenic | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
| Mercury | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 27, 2026) |
Source: brand-published COAs and independent test results. Values are from specific batches and dates. Absence of published data does not indicate safety or danger. Last verified: Blue Bottle Coffee June 27, 2026, Kettl June 27, 2026.
Price Comparison
Blue Bottle Coffee is $1.75/g cheaper than Kettl ($1.00/g vs $2.75/g, a 64% difference). At 30 servings per month, that is approximately $105/month in savings.
Detailed Analysis
Testing Transparency
No public testing statement has been found for Blue Bottle Coffee as of the last verification date. No public testing statement has been found for Kettl as of the last verification date.
Origin and Sourcing
Kettl sources from Uji, Yame, Shizuoka, Shiga, Japan. Blue Bottle Coffee has not publicly disclosed a specific leaf origin region. Origin cannot be fully compared.
Which Should You Buy?
If testing transparency is your priority: Kettl (Tier 4) discloses more than Blue Bottle Coffee (Unrated). If price per gram is your priority: Blue Bottle Coffee is the more affordable option at $1.00/g.
Frequently Asked Questions
Is Blue Bottle Coffee or Kettl cheaper?
Blue Bottle Coffee is cheaper at $1.00/g vs $2.75/g per gram, a difference of $1.75/g. Prices verified as of 2026-06-27.
Does Blue Bottle Coffee publish lab results?
No public testing statement or COA has been found for Blue Bottle Coffee as of June 27, 2026.
Does Kettl publish lab results?
No public testing statement or COA has been found for Kettl as of June 27, 2026.
Is Blue Bottle Coffee or Kettl organic?
Kettl holds Unspecified certification. Blue Bottle Coffee does not have a publicly confirmed organic certification as of the last verification date.
Related comparisons
All data in this comparison is sourced from publicly available COAs, brand websites, and independent test results. Every safety data point carries its source and last-verified date. Steady Matcha does not conduct or claim ownership of third-party test results for other brands. Brand information changes: verify current status before purchasing.