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Large Language ModelsZenn AI/MLPublished: Oct 21, 2026, 13:00 JST

Job hunt? Pick ChatGPT Plus or Claude Pro, use it fully

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Job hunt? Pick ChatGPT Plus or Claude Pro, use it fully

3 Key Points

  1. What happened

    A consultant who specializes in security recruiting says candidates should sign up for one of ChatGPT Plus or Claude Pro and use it fully, adding the second only when the first runs short. The advice is personal opinion as of October 2026.

  2. Why it matters

    Model rankings swap every few months, so a comparison article can be outdated by the time a decision is made, while job postings close and the time spent deciding is the real cost — either subscription costs only a few thousand yen a month.

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Context & Analysis

The advice rests on a simple observation about timing: each company's models are updated every few months, and the "which is strongest now" verdict flips with them. A candidate who spends three weeks reading comparisons can find the premise has changed by the time they decide, while the job listings they were preparing for may already have closed.

The consultant, who specializes in security recruiting, frames the subscription cost as minor — a few thousand yen a month — against the improvement in application documents and interview quality. On the security side, the warning is about ownership of information: your own resume is your call, but details about other people or your current employer are not yours to paste, and credentials should never go in. The closing point is that a month spent comparing looks harmless but leaves the application unchanged, and postings do not wait.

FAQ
Which AI should I subscribe to for job hunting?
The consultant recommends signing up for one of ChatGPT Plus or Claude Pro and using it fully, then adding the other only if the first is not enough.
What should I use the AI for in a job search?
Three main uses: researching the company's challenges and where you can contribute, drafting and improving your resume, and generating likely interview questions from the job posting. Rewrite the output in your own words before submitting.
What information should I not put into an AI?
Do not enter other people's information or your current employer's details — project specifics, client names, internal system configurations — and never enter credentials like passwords.
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