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Peakblick
Practice tech interviews with an AI that scores you
Peakblick runs realistic technical interviews: paste a job description and it asks questions tailored to your role, level and stack, then scores every answer 1–10 with written feedback — in real time. What's different: it runs on a 1B model I trained from scratch, not a GPT wrapper. No third-party API, so your answers never leave the service. Free to try, no card.
Hey Product Hunt 👋
I kept freezing in technical interviews even when I knew the
material — the gap was never knowledge, it was reps. Paid mock-
interview services were expensive, and the "AI" ones mostly wrap
ChatGPT, so your answers get shipped off to a third party. I wanted
something I could drill with cheaply and privately.
So I built Peakblick: you paste a job description, it interviews you
like a real technical round — one question at a time, on a timer —
and a second model scores every answer with written feedback
on what was missing.
The part that took longest: instead of wrapping GPT, I trained a 1B
model from scratch to do the scoring. Two reasons — nothing you type
leaves the service (no third-party API), and I could fix the model's
judgement directly. That was humbling. Early on it happily gave long,
confident, wrong answers high scores and short correct ones low ones
(classic length bias). The fix was all in the data, not the model:
adding wrong-but-verbose and short-but-correct examples across every
score band until length and correctness finally decoupled.
It's free to try (no card), with a Pro tier for heavy use.
I'd genuinely love your brutal feedback — especially the scoring. Run
an interview for a role you know well and tell me: where is it too
harsh, or too generous? That's the thing I most want to get right.
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About Peakblick on Product Hunt
“Practice tech interviews with an AI that scores you”
Peakblick was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #99 on the daily leaderboard. Peakblick runs realistic technical interviews: paste a job description and it asks questions tailored to your role, level and stack, then scores every answer 1–10 with written feedback — in real time. What's different: it runs on a 1B model I trained from scratch, not a GPT wrapper. No third-party API, so your answers never leave the service. Free to try, no card.
Peakblick was featured in Developer Tools (519.8k followers), Artificial Intelligence (479.1k followers) and Career (2.2k followers) on Product Hunt. Together, these topics include over 214.4k products, making this a competitive space to launch in.
Who hunted Peakblick?
Peakblick was hunted by PeakBlick. 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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PeakBlick