What Is an AI Interview Assistant?
"AI interview assistant" is now used for a range of different tools — browser extensions, bots that join your call, and local desktop apps like Interview Assistant AI. This guide explains the category, the local-versus-cloud distinction, and what BYOK changes.
The core idea
At its core, an AI interview assistant is software that observes an interview in progress — through the screen, the audio, or a direct integration with the meeting platform — and generates a response the candidate can read and use, in real time or close to it. What varies between products is how that observation happens and where the AI processing runs.
Three common architectures
Cloud meeting-bot: a bot account joins the call through the meeting platform's own API, processes audio on a remote server, and shows suggestions in a browser tab or companion app. It needs no screen capture on your machine, but it depends on the platform continuing to support that bot API, on the bot being admitted to the call, and on your audio reaching a third-party server.
Browser extension: runs inside the browser tab hosting the call and overlays suggestions there. It's simple to install but is limited to browser-based calls and typically can't see anything outside that tab, including a separate coding-editor window.
Local desktop app: captures the screen or window you choose and the system audio directly at the operating-system level, then sends only that captured content to an AI provider for analysis. It works with any call software because it doesn't depend on that software's API — it depends on what's visible and audible on your machine. Interview Assistant AI is built this way.
Local vs. cloud, compared
Neither architecture is strictly better; they trade off differently, and the right one depends on what you're optimizing for.
| Dimension | Cloud meeting-bot | Local desktop app |
|---|---|---|
| Where processing happens | A remote server operated by the vendor | Your own machine captures and sends only the analysis request |
| Meeting-platform dependency | Depends on a bot being admitted via the platform's API | None — reads pixels and audio, so any screen-shareable app works |
| Typical account model | Usually requires an account with the vendor | Can run with just a licence key and no account, depending on the product |
| Typical pricing model | Often bundled AI credits in the subscription | Often BYOK — bring your own provider key, billed directly by that provider |
| Setup | No local software beyond a browser or invite | Requires installing a desktop application |
What BYOK changes
Bring-your-own-key (BYOK) is a pricing and architecture choice that's separate from local-vs-cloud, though the two often appear together. In a BYOK product, you supply your own API key from an AI provider (commonly OpenAI or Anthropic), and each request is billed directly to your account there at the provider's own rate.
The alternative — bundled usage — folds AI cost into a fixed subscription of "credits," priced by the vendor to cover their margin on every token sent, whichever provider they've chosen on the back end. BYOK trades a flat, simple price for transparency: you see the exact cost of every request in your own provider dashboard, and you can switch models or providers without waiting on a plan change.
How Interview Assistant AI fits
Interview Assistant AI is a local-first, BYOK desktop application for Windows: it captures the screen and audio you choose on your own machine, sends only that to the OpenAI or Anthropic key you provide, and never writes a captured frame or audio clip to disk. A macOS build is in progress.
See the AI interview assistant overview for how the full pipeline works, or the BYOK page for the cost model in detail.
Keep going
- AI interview assistant
How Interview Assistant AI's own pipeline works.
- BYOK interview assistant
The bring-your-own-key cost model in detail.
- All guides
Back to the index.
Questions about AI interview assistants
Is using an AI interview assistant during a live interview considered cheating?
That depends entirely on the interview's own rules, which vary by employer and format. Some employers explicitly prohibit any AI assistance, particularly on proctored or timed coding assessments; others don't address it, especially in conversational or take-home-style rounds. Because policies differ, check with your recruiter or the interview instructions if you're unsure before using any assistant live.
What's the difference between an AI interview assistant and an AI resume screener?
They serve opposite sides of the process. A resume screener is an employer-side tool that evaluates candidates before an interview; an interview assistant is a candidate-side tool that helps the person being interviewed during the conversation itself.
Do AI interview assistants work for non-technical interviews?
Many can reason about behavioral or general conversational questions as well as technical ones, since the underlying approach — read the screen and audio, generate a response — isn't specific to code. Actual capability still depends on the specific product.
See a local-first, BYOK assistant in practice.
Download Interview Assistant AI for Windows and connect your own OpenAI or Anthropic key.