How Fast Is AI

What it does

Choose a task you do every week, then pick an AI model. Watch how fast it finishes, and see what happened in those seconds: what it read, understood, thought through, wrote — and how accurate it was.

See how long AI takes to do everyday tasks compared with a person, using recorded runs that show speed, accuracy, and cost.

AI speed is how long a model takes to finish a task compared with a person. Pick something familiar, then watch a recorded run and see its accuracy and cost. A professional email takes a person about 8 min. Sonnet 5 wrote one in 3.5 s: 136× faster. Summarizing a short document takes a person about 10 min. The fastest model we recorded did it in 2.1 s. Turning messy notes into a to-do list takes a person about 5 min. The fastest model did it in 1.3 s. Explaining a system design takes an engineer about 30 min. Sonnet 5 did it in 9.8 s, the fastest model in 6.9 s. A spelling and grammar check takes a person about 3 min. Sonnet 5 did it in 3.7 s, and the fastest model in 1.0 s. Speed is only…from howfastai.com

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