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How much energy does Qwen 3.6 Plus use?

Alibaba · released 2026-03-31

Qwen 3.6 Plus uses about 0.027 Wh – 0.886 Wh of electricity to answer a typical question. That places it 172 of 266 among the models we can measure, and every figure here is calculated the same way as every other model.

A typical question
0.027 Wh – 0.886 Wh
A long, complex answer
0.636 Wh – 20.7 Wh
Capability
147.7
Energy rank
172 of 266
Human votes
1437

How capable is it, really?

The capability figure of 147.67 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.

45,319 people have voted on it in blind head-to-head comparisons on LMArena, giving it a rating of 1437. 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 1466 on coding, 1404 on creative writing, 1425 on following instructions.

What this figure is

Inferred  The maker publishes no size at all, so it is inferred from how capable the model is and when it was released. A wide bracket, not a figure. 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.

We cannot pin this one down. Alibaba has never published how Qwen 3.6 Plus is built, and the two plausible answers are far apart — which is why a range is shown rather than a figure. It is listed because leaving it out would reward the silence, and it is barred from every headline claim on this site.

Is there a better choice?

A lighter model that does the job
Nothing we track is both at least as capable as Qwen 3.6 Plus and meaningfully lighter. On our figures this is already a sensible choice for its standard of work.

What Alibaba publishes

Energy cannot be worked out without knowing how big a model is. Of the 45 models from Alibaba that we track, 25 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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Figure calculated 2026-09-20 · how these numbers are made · the full comparison of 266 models