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How much energy does Qwen3-Max use?

Alibaba · released 2025-09-24

Qwen3-Max uses about 0.704 Wh of electricity to answer a typical question. A long, complex answer costs about 23× more, at 16.4 Wh. That places it 233 of 277 among the models we can measure, and every figure here is calculated the same way as every other model.

A typical question
0.704 Wh
0.32 g CO₂·≈ 1 metre (3 feet) of driving
A long, complex answer
16.4 Wh
7.5 g CO₂·≈ 30 metres (99 feet) of driving
Capability
142.3
Energy rank
233 of 277
Human votes
1439

How capable is it, really?

The capability figure of 142.34 is a composite over 58 benchmarks, Epoch AI's Capabilities Index, which folds in software engineering, agentic tool use, long-context comprehension and creative writing as well as science reasoning. It is one number standing for a lot of separate tests, so treat a small gap between two models as noise rather than a ranking.

27,370 people have voted on it in blind head-to-head comparisons on LMArena, giving it a rating of 1439. This is the only figure here that measures whether anyone actually prefers the answers, rather than how the model scores on a test. Broken down, people rate it 1456 on coding, 1401 on creative writing, 1420 on following instructions.

What this figure is

Day-one estimate  Calculated from an estimated parameter count, the maker hasn't published one. Every model on this site is calculated the same way, so the comparison holds even where the absolute value carries uncertainty. Our figures are good to roughly a factor of two to three, which is why we only ever state a difference of 5× or more.

Is there a better choice?

A lighter model that does the job
Anthropic · capability 159.0. It scores higher than Qwen3-Max on Epoch's Capabilities Index (158.98 against 142.34), the composite over 58 benchmarks that the capability figure above comes from, and uses about 32× less energy per answer: 0.515 Wh against 16.4 Wh. It has not faced human head-to-head voting, where Qwen3-Max carries 27,370 votes, worth weighing.

What Alibaba publishes

Energy cannot be worked out without knowing how big a model is. Of the 45 models from Alibaba that we track, 24 can be assessed at all, the rest publish too little for anyone outside the company to calculate anything.

Where these figures come from

Capability and the roster come from Epoch AI, whose Capabilities Index is the 58-benchmark composite quoted above. Energy is calculated with EcoLogits and calibrated against laboratory measurements from ML.ENERGY. Human preference comes from LMArena. All four are public and free; the full method is here.

These figures are published under CC BY 4.0, use them anywhere, including commercially, with credit to The AI Footprint.

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Or work out what a year of using it adds up to, for you or for a whole organisation.

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Figure calculated 2026-10-17 · how these numbers are made · the full comparison of 277 models