Free trial
Every new account gets free credits at signup with no credit card required, which allows testing the assistant before purchasing a plan.
Learn morePhantom Code AI
Real-time AI copilot for live coding, behavioral and system design interviews.
Intermediate
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What is Phantom Code AI?
Phantom Code AI is an interview preparation tool. A macOS and Windows overlay that transcribes live interviews, generates coding and behavioral answers in real time, and supports screenshot-based solving for asynchronous assessments. Resume-aware personalization, 11 programming languages and 55 spoken languages are included.
Phantom Code AI is a desktop application for macOS and Windows that listens to a live interview and produces answers on screen while the conversation is still happening. It positions itself as an interview assistant rather than a study tool: the software transcribes both sides of the call, then generates a response in a floating overlay that the vendor says stays hidden from screen sharing and proctoring. The intended audience is candidates in technical and analytical hiring pipelines, from interns preparing for data structures rounds to senior engineers facing architecture discussions, plus analysts working through SQL and business reasoning questions. The product splits into two modes. Live Interview handles synchronous calls on Zoom, Google Meet, Microsoft Teams, Amazon Chime, Webex and Lark, combining two-way audio transcription with same-language replies across 55 spoken languages and several bilingual modes for candidates who switch languages mid-round. Online Round is built for asynchronous assessments on HackerRank, CoderPad, Codility and similar platforms, where the user captures the problem with a screenshot shortcut and receives a solution with complexity analysis. Behind both modes the tool runs two frontier models in parallel and routes each question to whichever handles it better, with automatic failover if one provider goes down. Personalization is the practical differentiator. A resume upload shapes behavioral answers and project questions around real experience, and users declare their seniority and target company so the style of code and explanation shifts accordingly. A prompt manager stores reusable instructions and applies them per session. Eleven programming languages are supported, and a thinking-depth toggle lets users trade latency for reasoning on system design questions. Compared with mock interview platforms and question banks, Phantom Code AI is explicitly built for use during the interview itself, which is the ethical fault line buyers should weigh. Plans start at $19 and every account receives free credits without a card.
How do you use Phantom Code AI?
1Install the desktop app
Download the macOS or Windows build from the download page, install it, and launch the overlay.
2Create an account and claim free credits
Sign up without a card to receive the free credits that let you test answer quality before committing to a plan.
3Upload your resume and set your profile
Add your resume once so behavioral answers and project questions reflect your actual experience, then set your seniority level and target company.
4Choose Live Interview or Online Round
Press Ctrl plus I for a live call with a human interviewer, or Ctrl plus O for a silent assessment where you capture the problem by screenshot.
5Pick language, thinking mode and prompt
Select your programming language, toggle Fast Think or Deep Think for the round ahead, and load a saved custom prompt if you have one.6Review pricing before the real round
Compare live assistant and mock interview plans so you know which tier covers the length and format of your upcoming interview.
Pros and cons
Pros
- Two distinct modes cover both live video interviews and silent online assessments such as HackerRank and CoderPad.AI
- Resume upload and seniority settings make behavioral answers specific to the candidate instead of generic templates.AI
- Dual-model routing with automatic failover reduces the chance of a blank answer during a provider outage.AI
- Support for 55 spoken languages plus bilingual modes handles interviewers who switch languages mid-call.AI
- Free credits at signup let users evaluate answer quality before paying.AI
Cons
- Using a hidden assistant during a live interview breaches the terms of most employers and assessment platforms, and detection methods evolve constantly.AI
- The vendor's undetectability claims are self-reported and cannot be independently verified from the site.AI
- Only macOS and Windows are supported, so Linux, Chromebook and mobile users are excluded entirely.AI
- No public API or third-party integration surface is documented, which limits use outside the bundled desktop app.AI
- The site gives little detail on credit consumption, refunds or what happens when the free credits run out.AI
How much does Phantom Code AI cost?
Pricing
Paid plans start at $19 according to the homepage. New accounts receive free credits at signup with no card required, and a limited-time code (GETJOB50) is advertised for 50% off. Live assistant and mock interview pricing are listed on separate pages.
Learn moreSupport
A help page is published on the site, but the homepage does not describe support channels, response times or service level commitments.
Learn moreIntegrations
Works alongside video and assessment platforms including Microsoft Teams, Zoom, Google Meet, Amazon Chime, Cisco Webex, Lark and Feishu, HackerRank, CoderPad and Codility. No API is documented.
Features
Live two-way audio transcription with same-language answers across 55 spoken languages and bilingual modes, screenshot solving for online rounds, 11 programming languages, resume-aware answers, seniority and target company profiles, Fast Think and Deep Think modes, and a custom prompt manager. Supports interviews on Teams, Zoom, Google Meet, Chime, Webex, Lark, HackerRank, CoderPad and Codility.
Learn moreFrequently asked questions about Phantom Code AI
How much does Phantom Code AI cost?
Paid plans start at $19 according to the homepage. New accounts receive free credits at signup with no card required, and a limited-time code (GETJOB50) is advertised for 50% off. Live assistant and mock interview pricing are listed on separate pages.Does Phantom Code AI offer a free trial?
Every new account gets free credits at signup with no credit card required, which allows testing the assistant before purchasing a plan.How do you use Phantom Code AI?
The walkthrough on this page covers 6 steps: 1. Install the desktop app 2. Create an account and claim free credits 3. Upload your resume and set your profile 4. Choose Live Interview or Online Round 5. Pick language, thinking mode and prompt 6. Review pricing before the real round.What platforms does Phantom Code AI support?
Phantom Code AI is available on MacOS and Windows.What does Phantom Code AI integrate with?
Works alongside video and assessment platforms including Microsoft Teams, Zoom, Google Meet, Amazon Chime, Cisco Webex, Lark and Feishu, HackerRank, CoderPad and Codility. No API is documented.What are the limitations of Phantom Code AI?
Using a hidden assistant during a live interview breaches the terms of most employers and assessment platforms, and detection methods evolve constantly. The vendor's undetectability claims are self-reported and cannot be independently verified from the site. Only macOS and Windows are supported, so Linux, Chromebook and mobile users are excluded entirely.
Status
StatusActive
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Added10/21/2026
Platforms
MacOSWindows
Pricing
FreemiumPaidSubscription
