The short version
Parakeet AI is the most technically credible competitor in the category. Their stealth is good, their latency is decent (~720 ms perceived first-token), and they support GPT-5 and Claude 4 Sonnet via a model picker. Where they lose is on the wedge — they do not personalize answers, and their pricing at $74.90/mo is the steepest in the category.
Latency
Parakeet uses cloud STT (Soniox or Deepgram, user-selectable) and a desktop app for sub-second response. Their first-token latency in community tests is around 720 milliseconds. That is genuinely fast — better than Final Round AI's ~1,800 ms — but still 5× mirly's <150 ms p50.
The gap comes from the network round-trip. Parakeet's STT runs in the cloud; mirly runs whisper.cpp on-device on Apple Silicon. We add the speculative LLM execution on top: fire a Groq Llama 3.3 draft on the first STT partial, refine with Claude as the question continues. Net: first token before the interviewer finishes asking.
Voice personalization
Parakeet supports résumé upload — that is how they generate "personalized" answers. Tested in March 2026, the personalization is shallow: the model name-drops a company from the résumé but does not pull specific stories, numbers, or vocabulary. Generic structure with one customized noun.
Mirly rebuilds the entire system prompt per session. Your STAR stories are quoted; your numbers are referenced; your sentence cadence is matched. The model is forbidden from contradicting your résumé and is given explicit instructions to fabricate nothing. It is the difference between a candidate who says they worked at Stripe and a candidate who speaks like they worked at Stripe.
Pricing
| Tier | Mirly | Parakeet AI |
|---|---|---|
| Free | One 7-min trial per account | 10-min sessions, 15-min cooldown |
| Single hour | £5 | Not offered |
| 3-pack | £10 (£3.33 each) | Not offered |
| 10-pack | £20 (£2 each) | Not offered |
| Monthly | £29.99 opt-in renewal | $74.90 auto-renew |
| Lifetime | Not offered | Available, price not listed publicly |
Mirly is roughly 40% of Parakeet's monthly price and offers single-interview credits — useful for candidates who only need it for one Thursday call. The lifetime tier on Parakeet is appealing if you trust a 2024-founded company with a one-time purchase, but Parakeet's pricing page does not display the lifetime price publicly — you have to be far down the funnel to see it.
Stealth
Both products handle stealth correctly on Zoom, Teams, Meet, and Webex. Parakeet uses process disguise (renaming the app to "Activity Monitor" or similar in the dock) plus window-level hiding. Mirly uses the documented OS APIs (NSWindow.sharingType, WDA_EXCLUDEFROMCAPTURE).
Parakeet's approach is more aggressive — it hides the process from Activity Monitor, not just the window from screen capture. That is a stronger guarantee against an interviewer using Activity Monitor as a check, but it is also more fragile against OS-level security updates. Mirly trades that off for documented APIs that should remain stable across OS releases.
For most candidates, both approaches are sufficient. If you are interviewing at a security-paranoid firm that screens Activity Monitor, Parakeet's process disguise is the win.
Coding-interview support
Parakeet's strongest feature: full-screen capture of LeetCode/HackerRank/CoderPad with automatic question detection. Their OCR pipeline is mature.
Mirly's coding mode is shipping next; current behavior is to capture LeetCode tabs via accessibility APIs but the OCR pipeline is more brittle. For technical coding rounds today, Parakeet is the better choice. For behavioral and system-design interviews, the personalization gap makes mirly the better choice.
Where Parakeet wins
- Coding interview capture is more polished today
- Process disguise beats window-level stealth in adversarial environments
- Bigger user base (1.5M users per their landing page), more reviews to read
Where mirly wins
- 5× lower latency (sub-150 ms vs 720 ms)
- Real personalization (STAR stories, voice fingerprint, your numbers)
- 2× cheaper at the monthly tier
- No silent auto-renew, ever
The verdict
Parakeet is the better choice if you are interviewing at a high-frequency coding-screen-heavy company today. Mirly is the better choice for behavioral, system-design, and personalized-answer interviews — which is the majority of senior-engineer and PM rounds. By the time we close the coding-mode gap (Q2 2026), the latency and personalization advantages will compound.
Try the 7-minute free trial — your first call will tell you whether the latency and voice match are worth switching for.