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LLM Footprint

llmfootprint.fyi
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Category
AI Tools
Rank
No. 45Apps board
Platform
web
Type
APP
Date

About

An interactive calculator that estimates the electricity use and CO2e emissions of LLM usage based on input/output token counts, cache hit rates, model class, serving profile, and regional grid carbon intensity. It includes worked examples drawn from real published workloads (Anthropic's compiler experiment and Bun's Zig-to-Rust rewrite) alongside a transparent methodology explaining its per-token energy coefficients and assumptions.

What it can do

  • Estimate electricity use of LLM usage

    Input/output token counts, cache hit rate, model class, serving profile, regional grid carbon intensity → Electricity use estimate

  • Estimate CO2e emissions of LLM usage

    Input/output token counts, cache hit rate, model class, serving profile, regional grid carbon intensity → CO2e emissions estimate

Tags

ai-energycarbon-footprintllmsustainabilitycalculatoremissionsenvironment

Media

LLM Footprint

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Editorially curated, with community endorsements as a secondary signal. Corrections welcome.