Real example · Chat assistants & writing
Gave ChatGPT Enterprise to every employee
What they did
Japanese company MIXI made ChatGPT Enterprise available to all employees, about 2,000 people, in March 2025 and surveyed them three months later.
How it went
MIXI estimates it saves 'approximately 17,600 hours' a month, 'about 11 hours per user per month', and '99% felt their productivity had improved'; its legal team cut terms-of-service reviews from 30 minutes to an hour down to about 10 minutes.
Worth knowing
Company press release; the hours are an estimate scaled up from a survey with 338 valid responses, using the low end of each answer range.
Try it yourself with ChatGPT
Replace anything in [brackets] with your details.
Help me plan a [3]-month rollout of an AI assistant to [number] employees at [type of company].
Give me: a first-week training outline, five everyday tasks to try per team ([teams]), a short usage policy (what data must never be pasted), and a survey of about eight questions to send after [3 months].
Finish with the metrics I should track and the risks to watch for.Read the original
MIXI Cuts Monthly Work Time by Approximately 17,600 Hours Through Company-Wide Use of ChatGPT Enterprise ↗
mixi.co.jp · · Company blog
Attributed to the source linked below; not our own test.
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