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Glossary

Computing power

Computing power is how much calculation computers can do in a given time. For AI it mainly comes from large numbers of specialised chips in data centres; more computing power makes larger and better models possible.

Training or using an AI model is, at heart, a huge amount of arithmetic: multiplying and adding numbers, countless times in a row. How much of that work a computer, or an entire data centre, can handle in a given time is called computing power.

For AI, most computing power comes from specialised chips, such as GPUs, that perform many calculations at once. Thousands of those chips together in a data centre provide the computing power to train the largest models. That also takes a lot of electricity, which is why computing power and energy often go together in AI news.

Why it matters

In recent years AI models improved mainly because more data and more computing power went into training. That makes computing power one of the most important raw materials of progress in AI, and companies are investing billions in it.

Yet more computing power is not the only way forward. The research organisation METR estimates that Anthropic is now improving its models about twice as fast, and found convincing evidence that this is not because more computing power is going into training more quickly. AI itself is probably helping with the research. Anthropic also looked at how it divides its own computing power: about 6 per cent of the computing power for AI research went to safety work.

Articles about Computing power