sources
google: 0.24 wh / prompt. disclosed, methodology published.
openai: 0.34 wh. disclosed, no methodology.
anthropic: no disclosure. 0.31 wh independent estimate.
mistral: lca disclosed, lifecycle boundary.
reasoning workloads: ~13× energy.
carbon price: $300 per tonne. frontier buyers' 90,000-tonne terradot purchase, $27m, dec 2024. terraset buys from the frontier portfolio.
water price: $2 per 1,000 gallons. bef's published wrc rate.
multiplier: ×10. our opinion, stated as such.
floor: $3. every.org's minimum is $1, and there are three shares.
boundaries differ between every disclosure. this page inherits those sins and tells you so.
exact tokens
nobody on a subscription counts their tokens. claude code users: npx ccusage. token-level entry ships when the conversion isn't a lie.