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How Fast Is AI
Real recorded speed, cost & accuracy for 12 AI models
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.
Hey PH 👋
I got tired of AI speed claims I couldn't verify, so I built a site that measures 12 models (Anthropic, OpenAI, Meta, DeepSeek, Google, Z-AI, NVIDIA) against 25 everyday tasks — write an email, summarize a paper, explain a block of code — and shows the real recorded time, tokens, cost, and accuracy for every pairing.
Nothing is measured live when you visit. A scheduled job runs each task against each model on a fixed cadence and records the response as it streams in — visitors replay that recording at the pace it originally arrived. I did the cost math on live-per-visitor calls first: at any real traffic it's hundreds to thousands a month and scales with visitors, not with value delivered. Recorded costs the same at ten visitors or ten thousand.
A few things that surprised me building it:
An output token cap was silently truncating long-form tasks — understated generation time on 27% of my first real recording batch, no error, just quietly wrong numbers.
Free open-weight models (Gemma, GLM, Nemotron) sit on the same 25 tasks as $100/M-token flagships. Free is genuinely slower on some tasks — now that's a number instead of a guess.
"Which model should I use" needed cost, speed, and accuracy blended, not just whoever's fastest. The top pick for one category was cheapest and second-fastest, not fastest outright.
Every number is a recorded run, a scored rating, or a labelled placeholder — methodology page states which, per number. Would love feedback, especially if something looks off.
howfastai.com
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About How Fast Is AI on Product Hunt
“Real recorded speed, cost & accuracy for 12 AI models”
How Fast Is AI was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #148 on the daily leaderboard. 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.
How Fast Is AI was featured in Productivity (660.2k followers), Education (79.1k followers) and Artificial Intelligence (478.1k followers) on Product Hunt. Together, these topics include over 311.9k products, making this a competitive space to launch in.
Who hunted How Fast Is AI?
How Fast Is AI was hunted by Sreekanth Reddy Lingamdinne. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Sreekanth Reddy Lingamdinne