Anthropic PBC

AI Lab

Legal name: Anthropic PBC · HQ: US · Private · Founded 2021

AI safety company and developer of the Claude model family. Private company; no sustainability report has been published. All environmental data is currently not disclosed. Compute is assumed to be sourced from AWS and GCP.

Disclosure Quality

Score

0/100

Transparency Grade

T-5

near-total opacity

Grades run T-1 (most transparent) to T-5 (least transparent).

Red flags identified (4)

  • RF-01 · Total energy consumption not disclosed
  • RF-02 · A greenhouse-gas emissions scope not disclosed
  • RF-03 · Water withdrawal not disclosed
  • RF-04 · AI-specific energy use not disclosed

See the disclosure audit below for details.

Fiscal year 2023. Score computed from OpenButterfly T1–T6 disclosure framework audit. Confidence tier: C (Estimated, Documented Method).

Environmental Metrics

Fiscal year 2026. Each metric is shown at its most recent available year; rows from a different year are marked.

Confidence tiers: A measured and verified · B company-reported · C documented estimate · D uncertain estimate · E modeled · ND not disclosed.

Total Energy Consumption

7.6 TWh

≈ the annual electricity use of 720,000 US homes

method: known_capacity_model

Source: OpenButterfly pipeline

C

AI-Specific EnergyFY 2023

Not DisclosedNDchecked 2025-05-23

AI training energy not disclosed.

ND

Scope 1 Emissions

55 kt CO₂e

≈ the annual emissions of 12,000 passenger cars

method: scope1_ratio_model

Source: OpenButterfly pipeline

E

Scope 2 Emissions (market-based)

138 kt CO₂e

≈ the annual emissions of 30,000 passenger cars

method: grid_carbon_model

Source: OpenButterfly pipeline

D

Scope 3 Emissions

4.23 Mt CO₂e

≈ the annual emissions of 920,000 passenger cars

method: scope3_ratio_model

Source: OpenButterfly pipeline

E

Water Withdrawal

9.9 GL

≈ 3,942 Olympic swimming pools of water

method: wue_model

Source: OpenButterfly pipeline

D

Property-Line Noise (estimated)

~57.2 dBA at property line

method: cooling_load_noise_model

Source: OpenButterfly pipeline

E

Disclosure Audit

Show 5 disclosure checks (T1–T6 framework)
T1.1

Total electricity consumption disclosed

No sustainability report published.

RF-01 (Total energy consumption not disclosed)

Not Disclosed
T2.1

Scope 1 GHG emissions disclosed

No sustainability report published.

RF-02 (A greenhouse-gas emissions scope not disclosed)

Not Disclosed
T3.1

Total water withdrawal disclosed

No sustainability report published.

RF-03 (Water withdrawal not disclosed)

Not Disclosed
T1.2

AI-specific energy consumption disclosed

No sustainability report published.

RF-04 (AI-specific energy use not disclosed)

Not Disclosed
T6.1

GHG accounting methodology documented

No sustainability report published.

Not Disclosed

Sources

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