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Model rankings swap every few months, so a comparison article can be outdated by the time a decision is made, while job postings close and the time spent deciding is the real cost — either subscription costs only a few thousand yen a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