Drinking AI | Max Ghenis
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Water arithmetic Drinking AI
Asking ChatGPT 30 questions a day for a year uses about a fifth of the<br>water behind one beer — counting both data-center cooling and the power<br>plants behind it, the same supply-chain accounting the drink figures use. One<br>beer ≈ 53,300 queries; by OpenAI's cooling-only figure, 331,000. Pick a drink,<br>shift the scope, or count by agentic tasks, then see how whole US drink<br>categories compare with everything AI drank in 2025 — and what it is on track<br>to drink in 2026.
One drink in ChatGPT queries<br>One beer ≈<br>53,300<br>average ChatGPT queries
Enough water for 30 queries a day for<br>5 years .
Across accounting scopes: 2,370–331,000 queries.
Beer 12 oz / 355 mL Wine 5 oz / 148 mL Cocktail one standard drink Coffee 8 oz / 237 mL Tea 8 oz / 237 mL Soda 12 oz / 355 mL Orange juice 8 oz / 237 mL Milk 8 oz / 237 mL Bottled water 12 oz / 355 mL Tap water 12 oz / 355 mL<br>Water counted per unit Data-center cooling 0.32 mL + power-plant water 2 mL Per-response lifecycle 45 mL
Counting by Single query 1× Reasoning response 10× Agentic task 15×
1 drop = 1,000 queries 53 drops
Drink water footprint<br>106.5 liters<br>298 L per kg of malt beer (Mekonnen & Hoekstra 2011) ≈ 300 L per L, scaled to 355 mL
What's counted<br>industry estimate<br>Full green, blue, and grey crop footprint — mostly barley irrigation and rain.<br>Mekonnen & Hoekstra 2011
AI water per query<br>2 mL<br>Cooling + electricity generation<br>Adds the water used to generate the electricity the query draws, not just data-center cooling — the same supply-chain boundary the drink footprints use. A peer-reviewed measurement puts an efficient 2025 model (GPT-4o) near 2 mL on this basis.<br>A median single text prompt — the basis for OpenAI's and Google's published per-query figures.<br>Jegham et al. 2025
Aggregate view A year of US drinks vs a year of global AI
A 2026 Patterns paper<br>models the water footprint of all AI systems worldwide at<br>312.5 billion liters to 764.6 billion liters in 2025.<br>The bars share one linear scale.
All global AI 2025, modeled 312.5 billion liters – 764.6 billion liters
Solid: low estimate. Faded: high estimate. World total, all AI systems, consumption.
All global AI 2026, projected extrapolation 468.8 billion liters – 1.1 trillion liters
Claude estimate: 2025 scaled by 1.5× AI-power growth (published rates span 1.3–2.45×). Still a sliver of the chart.
US coffee 2024/25 25 trillion liters 33–80x AI
1.57 billion kg of green coffee (26.2M 60-kg bags) · 15,897 L per kg green coffee — measured by bean mass, not brewed volume · USDA FAS coffee report, Mekonnen & Hoekstra 2011
US milk 2024 20 trillion liters 26–64x AI
43.2 billion lb of fluid milk sold · 1,020 L per kg, same source as the calculator · USDA ERS dairy data, Mekonnen & Hoekstra 2012
US soda 2025 15.3 trillion liters 20–49x AI
12.0B gallons, derived from IBWA per-capita figures · 338 L per L — the low end of the published range · IBWA 2026 progress report, Ercin, Aldaya & Hoekstra 2011
US beer 2023 7 trillion liters 9.2–22x AI
6.17B gallons (NIAAA) · 300 L per L, same source as the calculator · NIAAA Surveillance Report 122, Mekonnen & Hoekstra 2011
US orange juice 2021 3 trillion liters 3.9–9.6x AI
0.75B gallons (USDA ERS, latest year in the series) · 1,064 L per L, same source as the calculator · USDA ERS fruit-juices table, Mekonnen & Hoekstra 2011
US wine 2023 2.9 trillion liters 3.8–9.3x AI
0.89B gallons (NIAAA) · 860 L per L, same source as the calculator · NIAAA Surveillance Report 122, Mekonnen & Hoekstra 2011
US tea 2023 soft estimate 2.3 trillion liters 3–7.3x AI
86 billion servings (Tea Association estimate) · 27 L per serving (3 g tea); the softest figure on the chart · Tea Association of the USA, Mekonnen & Hoekstra 2011
US bottled water 2025 88.4 billion liters 0.1–0.3x AI
16.8B gallons, preliminary (IBWA) · 1.39 L per L facility ratio — the one category below the AI range · IBWA 2026 progress report, IBWA 2024 benchmarking
The eight categories sum to 75.6 trillion liters a year —<br>99–242x the 2025 AI range,<br>or 66–161x the projected 2026 range.<br>The AI estimate covers the world; the drink totals cover the US only, so world<br>drink totals would sit further right.
Where this is heading 2026, and the shift from queries to agents
Extrapolating to 2026
No one publishes a 2026 AI-water figure, so this is a Claude estimate. The<br>Patterns model is mechanically AI power × a fixed water intensity, and AI<br>power grew 2.45× from 2024 to 2025. Published rates for 2025→2026 run from<br>~1.3× (IEA accelerated servers)<br>up to that 2.45× pace; scaling the 2025 range by a central 1.5×<br>gives roughly 468.8 billion liters to 1.1 trillion liters for 2026.<br>A UN University study<br>independently implies about 0.9 trillion L of AI water in 2025, near the same band.<br>Even on the most aggressive growth, the drink categories still outweigh AI by tens of times.
A query is becoming a task
The...