Proprietary providers such as OpenAI and Anthropic publish almost no official figure for energy or water per query. There are two exceptions: Google, which measured a median Gemini query in production (0.24 Wh), and Mistral, which published a complete life cycle assessment with Carbone 4 and ADEME. For everything else we depend on independent benchmarks such as How Hungry is AI? or Hugging Face's AI Energy Score, which is why we give ranges throughout.
Read the source article: Which AI uses the least energy? ChatGPT vs Claude vs Gemini